{"title":"Siemens Auxiliary Contacts \u0026 Contactor Contact Blocks","description":"\n\u003cdiv style=\"width:100%;margin:0;\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv style=\"\n    background:#009999;\n    border-radius:12px;\n    padding:24px 28px 22px;\n    color:#FFFFFF;\n  \"\u003e\n\n    \u003cdiv style=\"\n      margin:0 0 6px;\n      font-size:10.5px;\n      line-height:1.4;\n      font-weight:700;\n      letter-spacing:1.15px;\n      text-transform:uppercase;\n      color:#FFFFFF;\n    \"\u003e\n      SIEMENS SIRIUS AUXILIARY CONTACTS\n    \u003c\/div\u003e\n\n    \u003ch2 style=\"\n      margin:0 0 7px;\n      color:#FFFFFF;\n      font-size:25px;\n      line-height:1.3;\n      font-weight:700;\n    \"\u003e\n      Auxiliary Contact Blocks \u0026amp; Contactor Accessories\n    \u003c\/h2\u003e\n\n    \u003cp style=\"\n      margin:0;\n      max-width:850px;\n      color:#FFFFFF;\n      font-size:14px;\n      line-height:1.6;\n    \"\u003e\n      Explore Siemens SIRIUS auxiliary contact blocks\n      for contactor control circuits, status indication\n      and industrial electrical panels. Discover normally\n      open (NO), normally closed (NC), front-mounted and\n      side-mounted auxiliary switches for compatible\n      SIRIUS contactors and contactor relays.\n    \u003c\/p\u003e\n\n    \u003c!-- PRODUCT RANGE --\u003e\n    \u003cdiv style=\"\n      margin-top:16px;\n      padding-top:13px;\n      border-top:1px solid rgba(255,255,255,.35);\n    \"\u003e\n\n      \u003cdiv style=\"\n        margin-bottom:5px;\n        font-size:10px;\n        line-height:1.4;\n        font-weight:700;\n        letter-spacing:.9px;\n        text-transform:uppercase;\n        color:#FFFFFF;\n      \"\u003e\n        PRODUCT RANGE\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"\n        font-size:12.5px;\n        line-height:1.6;\n        font-weight:700;\n        color:#FFFFFF;\n      \"\u003e\n        1NO Auxiliary Contacts\n        \u003cspan style=\"margin:0 9px;opacity:.75;\"\u003e•\u003c\/span\u003e\n        1NC Auxiliary Contacts\n        \u003cspan style=\"margin:0 9px;opacity:.75;\"\u003e•\u003c\/span\u003e\n        Multi-Pole Contact Blocks\n        \u003cspan style=\"margin:0 9px;opacity:.75;\"\u003e•\u003c\/span\u003e\n        Front-Mounted Auxiliary Switches\n        \u003cspan style=\"margin:0 9px;opacity:.75;\"\u003e•\u003c\/span\u003e\n        Side-Mounted Auxiliary Switches\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003c!-- PRODUCT FAMILIES --\u003e\n    \u003cdiv style=\"margin-top:11px;\"\u003e\n\n      \u003cdiv style=\"\n        margin-bottom:4px;\n        font-size:10px;\n        line-height:1.4;\n        font-weight:700;\n        letter-spacing:.9px;\n        text-transform:uppercase;\n        color:#FFFFFF;\n      \"\u003e\n        PRODUCT FAMILIES\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"\n        font-size:12px;\n        line-height:1.6;\n        color:#FFFFFF;\n      \"\u003e\n        SIRIUS 3RH1911 \/ 3RH1921 ·\n        3RH2911 \/ 3RH2921 ·\n        Front \u0026amp; Side Auxiliary Contact Blocks\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003c!-- BUYER ASSISTANCE --\u003e\n  \u003cdiv style=\"\n    display:flex;\n    flex-wrap:wrap;\n    align-items:center;\n    justify-content:space-between;\n    gap:6px 18px;\n    margin-top:8px;\n    padding:10px 15px;\n    background:#f7f9fb;\n    border:1px solid #e8edf1;\n    border-radius:7px;\n    font-size:12.5px;\n    line-height:1.55;\n    color:#555555;\n  \"\u003e\n\n    \u003cdiv\u003e\n      \u003cstrong style=\"color:#222222;\"\u003e\n        Need a specific Siemens auxiliary contact?\n      \u003c\/strong\u003e\n      Send us the\n      \u003cstrong style=\"color:#222222;\"\u003e\n        model\/part number + quantity\n      \u003c\/strong\u003e.\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"color:#555555;white-space:nowrap;\"\u003e\n      Availability\n      \u003cspan style=\"margin:0 6px;color:#b7bec4;\"\u003e·\u003c\/span\u003e\n      Lead Time\n      \u003cspan style=\"margin:0 6px;color:#b7bec4;\"\u003e·\u003c\/span\u003e\n      Quotation\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n","products":[{"product_id":"siemens-3rh2911-1ha11-sirius-auxiliary-switch-block-1no-1nc","title":"Siemens 3RH2911-1HA11 SIRIUS 1NO+1NC Auxiliary Contact Block","description":"\n\u003cdiv style=\"width:100%;max-width:850px;margin:20px auto;font-family:Inter,Arial,sans-serif;color:#222;line-height:1.65;border:2px solid #009999;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 15px rgba(0,0,0,0.08);\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv style=\"background:#009999;padding:26px 30px;color:#fff;\"\u003e\n    \u003cdiv style=\"font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;margin-bottom:6px;\"\u003e\n      YingZhou Industrial Automation | Product Information\n    \u003c\/div\u003e\n    \u003ch2 style=\"margin:0;font-size:25px;font-weight:800;color:#fff;line-height:1.3;\"\u003e\n      Siemens 3RH2911-1HA11 SIRIUS Auxiliary Contact Block\n    \u003c\/h2\u003e\n    \u003cdiv style=\"margin-top:8px;font-size:14px;font-weight:700;\"\u003e\n      1 NO + 1 NC | Front-Mounted | Screw Terminals | 3RT2 \/ 3RH2\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- STOCK STATUS --\u003e\n  \u003cdiv style=\"padding:14px 25px;background:#F2F7FC;border-bottom:1px solid #eee;font-size:14px;\"\u003e\n    \u003cstrong style=\"color:#009999;\"\u003e✓ IN STOCK \u0026amp; AVAILABLE TO ORDER\u003c\/strong\u003e\n    \u003cspan style=\"color:#555;\"\u003e |  Actual Product Photos  |  Exact Model Verified\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- TECHNICAL SPECIFICATIONS --\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n    \u003ctr style=\"background:#F2F7FC;\"\u003e\n      \u003cth style=\"padding:12px;border:1px solid #ddd;text-align:left;width:40%;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"padding:12px;border:1px solid #ddd;text-align:left;\"\u003eVerified Product Data\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSiemens AG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCatalog Number\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e3RH2911-1HA11\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Family\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSIRIUS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Series\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e3RH29\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eAuxiliary Contact Block\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eContact Operation\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eInstantaneous\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eMounting Position\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFront-Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eInstallation Method\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFront Snap-On\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eContact Configuration\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1 Normally Open + 1 Normally Closed\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNormally Open Contacts\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNormally Closed Contacts\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eTotal Auxiliary Contacts\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eTerminal Connection\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCompatible Contactor Family\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSelected Siemens 3RT2 Contactors\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCompatible Relay Family\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSelected Siemens 3RH2 Contactor Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eContact Terminal Designation\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNC: .1\/.2; NO: .3\/.4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Insulation Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e690V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Current AC-15 @ 230V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Current DC-13 @ 24V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e0.047 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eEAN \/ GTIN\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e4011209829381\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCzech Republic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eManufacturer Lifecycle\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003ePM300 — Active Product\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003cdiv style=\"padding:30px;\"\u003e\n\n    \u003c!-- PRODUCT OVERVIEW --\u003e\n    \u003ch2 style=\"font-size:19px;font-weight:800;color:#222;margin:0 0 12px;border-bottom:4px solid #009999;padding-bottom:7px;\"\u003e\n      Product Overview\n    \u003c\/h2\u003e\n    \u003cp style=\"font-size:14px;color:#555;line-height:1.8;margin:0;\"\u003e\n      The \u003cstrong\u003eSiemens 3RH2911-1HA11\u003c\/strong\u003e is a\n      \u003cstrong\u003eSIRIUS front-mounted auxiliary contact block\u003c\/strong\u003e\n      manufactured by Siemens AG for use with selected Siemens\n      3RT2 contactors and 3RH2 contactor relays. This accessory\n      provides \u003cstrong\u003eone normally open (1 NO) and one normally\n      closed (1 NC) auxiliary contact\u003c\/strong\u003e, offering two contact\n      paths for industrial control circuit signaling, status\n      indication and interlocking functions. The contacts operate\n      instantaneously with the host switching device and use\n      \u003cstrong\u003escrew terminal connections\u003c\/strong\u003e. The block is\n      designed for \u003cstrong\u003efront snap-on mounting\u003c\/strong\u003e on\n      compatible SIRIUS switching devices. Its rated insulation\n      voltage is \u003cstrong\u003e690V AC\u003c\/strong\u003e, and the specified rated\n      operational current under \u003cstrong\u003eAC-15 at 230V is 6A\u003c\/strong\u003e.\n      The \u003cstrong\u003e3RH2911-1HA11\u003c\/strong\u003e is an auxiliary switching\n      accessory rather than a standalone power contactor.\n      The supplied actual photographs show both the physical\n      Siemens accessory and its matching packaging, with identical\n      catalog numbers and the \u003cstrong\u003e1 NO + 1 NC\u003c\/strong\u003e contact\n      configuration. The packaging label specifies\n      \u003cstrong\u003eQty: 1\u003c\/strong\u003e and identifies the\n      \u003cstrong\u003eCzech Republic\u003c\/strong\u003e as the country of manufacture.\n      Please verify your host contactor model, mounting requirements\n      and auxiliary contact arrangement before ordering.\n    \u003c\/p\u003e\n\n    \u003c!-- KEY PRODUCT FEATURES --\u003e\n    \u003cdiv style=\"background:#F2F7FC;border-left:8px solid #009999;padding:22px;margin-top:22px;border-radius:8px;\"\u003e\n      \u003ch3 style=\"margin:0 0 12px;color:#009999;font-size:17px;\"\u003eKey Product Features\u003c\/h3\u003e\n      \u003cul style=\"font-size:14px;color:#555;padding-left:20px;margin:0;\"\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eSiemens SIRIUS Auxiliary Contact Block\u003c\/strong\u003e — Front-mounted industrial switching accessory for compatible Siemens 3RT2 contactors and 3RH2 contactor relays.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003e1NO + 1NC Configuration\u003c\/strong\u003e — One normally open and one normally closed auxiliary contact.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eTwo Auxiliary Contact Paths\u003c\/strong\u003e — Supports control circuit signaling, feedback and interlocking functions.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eFront Snap-On Mounting\u003c\/strong\u003e — Designed for front attachment to supported Siemens switching devices.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eScrew Terminal Connections\u003c\/strong\u003e — Conventional terminal wiring for industrial control applications.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003e6A AC-15 at 230V\u003c\/strong\u003e — Manufacturer-specified auxiliary contact operational current.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eActual Product Photography\u003c\/strong\u003e — The Siemens accessory and matching packaging are shown for exact-model verification.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- ACTUAL PRODUCT VERIFICATION --\u003e\n    \u003cdiv style=\"margin-top:22px;padding:20px 22px;border:1px solid #D7E5F2;border-radius:8px;background:#FAFCFE;\"\u003e\n      \u003ch3 style=\"margin:0 0 12px;color:#009999;font-size:17px;\"\u003eActual Product Verification\u003c\/h3\u003e\n      \u003cdiv style=\"font-size:14px;color:#555;line-height:1.9;\"\u003e\n        \u003cdiv\u003e✓ Actual Siemens product and packaging photographs supplied\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging catalog number: \u003cstrong\u003e3RH2911-1HA11\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Physical device catalog number: \u003cstrong\u003e3RH2911-1HA11\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Contact configuration: \u003cstrong\u003e1 NO + 1 NC\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Front-mounted auxiliary contact block design\u003c\/div\u003e\n        \u003cdiv\u003e✓ Screw terminal connection configuration\u003c\/div\u003e\n        \u003cdiv\u003e✓ Rated insulation voltage marking: \u003cstrong\u003e690V AC\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Rated AC-15 current at 230V: \u003cstrong\u003e6A\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging EAN: \u003cstrong\u003e4011209829381\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging quantity: \u003cstrong\u003e1 piece\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Country of manufacture: \u003cstrong\u003eCzech Republic\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Physical product and packaging model numbers match\u003c\/div\u003e\n        \u003cdiv\u003e✓ Verify exact host contactor compatibility before purchasing\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- AVAILABILITY --\u003e\n    \u003cdiv style=\"background:#fff;border:2px solid #009999;border-left:8px solid #009999;padding:22px;margin-top:22px;border-radius:8px;\"\u003e\n      \u003ch3 style=\"margin:0 0 8px;font-size:17px;color:#009999;\"\u003eIn Stock \u0026amp; Available to Order\u003c\/h3\u003e\n      \u003cp style=\"font-size:14px;color:#555;line-height:1.8;margin:0;\"\u003e\n        Siemens \u003cstrong\u003e3RH2911-1HA11\u003c\/strong\u003e is marked\n        \u003cstrong\u003ein stock\u003c\/strong\u003e based on the supplied inventory\n        information. This SIRIUS auxiliary contact block features\n        \u003cstrong\u003eone normally open and one normally closed contact\u003c\/strong\u003e,\n        front-mounted installation and screw terminal connections\n        for selected Siemens 3RT2 contactors and 3RH2 contactor\n        relays. Actual product and packaging photographs are\n        available for exact-model identification. The photographed\n        packaging is marked \u003cstrong\u003eQty: 1\u003c\/strong\u003e. Please confirm\n        your host switching device and the required 1NO+1NC\n        contact arrangement before completing an order.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- CTA --\u003e\n    \u003cdiv style=\"margin-top:25px;padding:25px;background:#009999;border-radius:8px;text-align:center;color:#fff;\"\u003e\n      \u003cdiv style=\"font-size:12px;font-weight:800;\"\u003eIN STOCK\u003c\/div\u003e\n      \u003ch3 style=\"margin:8px 0;color:#fff;font-size:20px;\"\u003eSiemens 3RH2911-1HA11\u003c\/h3\u003e\n      \u003cp style=\"font-size:14px;margin:0 0 16px;color:#fff;\"\u003e\n        Contact us for exact-model verification, individual unit\n        orders, bulk quantities and Siemens SIRIUS accessory\n        sourcing. Please confirm the 1NO+1NC configuration and\n        your compatible 3RT2 or 3RH2 device before ordering.\n      \u003c\/p\u003e\n      \u003ca href=\"\/pages\/contact\" style=\"display:inline-block;background:#fff;color:#009999;text-decoration:none;font-weight:800;padding:12px 24px;border-radius:6px;\"\u003eRequest Bulk Pricing\u003c\/a\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- SIEMENS BRAND INTERNAL LINK --\u003e\n    \u003cdiv style=\"margin-top:26px;padding-top:20px;border-top:1px solid #eee;\"\u003e\n      \u003cp style=\"margin:0 0 4px;font-size:14px;color:#555;\"\u003eLooking for other Siemens industrial automation products?\u003c\/p\u003e\n      \u003ca href=\"\/collections\/siemens\" style=\"color:#009999;font-size:14px;font-weight:800;text-decoration:underline;\"\u003eExplore Siemens Industrial Automation Products\u003c\/a\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"SIEMENS","offers":[{"title":"3RH2911-1HA11","offer_id":58065382375727,"sku":"3RH2911-1HA11","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/9473\/5919\/files\/Siemens-3RH2911-1HA11-SIRIUS-Auxiliary-Switch-Block-1NO-1NC-Front-Mount-Screw-Terminal-Contactor-Block-Brand-New-Original.jpg?v=1781186339"},{"product_id":"siemens-3rh2911-1ha22-sirius-auxiliary-switch-block-2no-2nc","title":"Siemens 3RH2911-1HA22 SIRIUS 2NO+2NC Auxiliary Contact Block","description":"\n\u003cdiv style=\"width:100%;max-width:850px;margin:20px auto;font-family:Inter,Arial,sans-serif;color:#222;line-height:1.65;border:2px solid #009999;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 15px rgba(0,0,0,0.08);\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv style=\"background:#009999;padding:26px 30px;color:#fff;\"\u003e\n    \u003cdiv style=\"font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;margin-bottom:6px;\"\u003e\n      YingZhou Industrial Automation | Product Information\n    \u003c\/div\u003e\n    \u003ch2 style=\"margin:0;font-size:25px;font-weight:800;color:#fff;line-height:1.3;\"\u003e\n      Siemens 3RH2911-1HA22 SIRIUS Auxiliary Contact Block\n    \u003c\/h2\u003e\n    \u003cdiv style=\"margin-top:8px;font-size:14px;font-weight:700;\"\u003e\n      2 NO + 2 NC | Front-Mounted | Screw Terminals | 3RT2 \/ 3RH2\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- STOCK STATUS --\u003e\n  \u003cdiv style=\"padding:14px 25px;background:#F2F7FC;border-bottom:1px solid #eee;font-size:14px;\"\u003e\n    \u003cstrong style=\"color:#009999;\"\u003e✓ IN STOCK \u0026amp; AVAILABLE TO ORDER\u003c\/strong\u003e\n    \u003cspan style=\"color:#555;\"\u003e |  Actual Product Photos  |  Exact Model Verified\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- TECHNICAL SPECIFICATIONS --\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n    \u003ctr style=\"background:#F2F7FC;\"\u003e\n      \u003cth style=\"padding:12px;border:1px solid #ddd;text-align:left;width:40%;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"padding:12px;border:1px solid #ddd;text-align:left;\"\u003eVerified Product Data\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSiemens AG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCatalog Number\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e3RH2911-1HA22\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Family\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSIRIUS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Series\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e3RH29\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eAuxiliary Contact Block\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eContact Operation\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eInstantaneous\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eMounting Position\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFront-Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eInstallation Method\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFront Snap-On\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eContact Configuration\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e2 Normally Open + 2 Normally Closed\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNormally Open Contacts\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNormally Closed Contacts\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eTotal Auxiliary Contacts\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eTerminal Connection\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCompatible Contactor Family\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSelected Siemens 3RT2 Contactors\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCompatible Relay Family\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSelected Siemens 3RH2 Contactor Relays\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eContact Terminal Designation\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eNC: .1\/.2; NO: .3\/.4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Insulation Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e690V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Current AC-15 @ 230V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Current DC-13 @ 24V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eEAN \/ GTIN\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e4011209829312\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCzech Republic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eManufacturer Lifecycle\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003ePM300 — Active Product\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003cdiv style=\"padding:30px;\"\u003e\n\n    \u003c!-- PRODUCT OVERVIEW --\u003e\n    \u003ch2 style=\"font-size:19px;font-weight:800;color:#222;margin:0 0 12px;border-bottom:4px solid #009999;padding-bottom:7px;\"\u003e\n      Product Overview\n    \u003c\/h2\u003e\n    \u003cp style=\"font-size:14px;color:#555;line-height:1.8;margin:0;\"\u003e\n      The \u003cstrong\u003eSiemens 3RH2911-1HA22\u003c\/strong\u003e is a \u003cstrong\u003eSIRIUS front-mounted auxiliary contact block\u003c\/strong\u003e manufactured by Siemens AG for use with selected Siemens 3RT2 contactors and 3RH2 contactor relays. This accessory provides \u003cstrong\u003etwo normally open (2 NO) and two normally closed (2 NC) auxiliary contacts\u003c\/strong\u003e, offering four contact paths for industrial switching, signaling and interlocking control circuits. The auxiliary contacts operate instantaneously with the host switching device and use \u003cstrong\u003escrew terminal connections\u003c\/strong\u003e. The block is designed for \u003cstrong\u003efront snap-on mounting\u003c\/strong\u003e to compatible SIRIUS contactors or contactor relays. Its specified rated insulation voltage is \u003cstrong\u003e690V AC\u003c\/strong\u003e, and the rated operational current under \u003cstrong\u003eAC-15 at 230V is 6A\u003c\/strong\u003e. The \u003cstrong\u003e3RH2911-1HA22\u003c\/strong\u003e is an auxiliary switching accessory rather than a standalone power contactor. The supplied actual photographs show both the physical Siemens accessory and the corresponding packaging, with matching catalog numbers and the \u003cstrong\u003e2 NO + 2 NC\u003c\/strong\u003e configuration. The packaging label specifies \u003cstrong\u003eQty: 1\u003c\/strong\u003e and identifies \u003cstrong\u003eCzech Republic\u003c\/strong\u003e as the country of manufacture. Please verify your host contactor model, mounting requirements and contact arrangement before ordering.\n    \u003c\/p\u003e\n\n    \u003c!-- KEY PRODUCT FEATURES --\u003e\n    \u003cdiv style=\"background:#F2F7FC;border-left:8px solid #009999;padding:22px;margin-top:22px;border-radius:8px;\"\u003e\n      \u003ch3 style=\"margin:0 0 12px;color:#009999;font-size:17px;\"\u003eKey Product Features\u003c\/h3\u003e\n      \u003cul style=\"font-size:14px;color:#555;padding-left:20px;margin:0;\"\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eSiemens SIRIUS Auxiliary Contact Block\u003c\/strong\u003e — Front-mounted industrial switching accessory for compatible Siemens 3RT2 contactors and 3RH2 contactor relays.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003e2NO + 2NC Configuration\u003c\/strong\u003e — Two normally open and two normally closed auxiliary contacts.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eFour Auxiliary Contact Paths\u003c\/strong\u003e — Suitable for control circuit signaling and interlocking functions.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eFront Snap-On Mounting\u003c\/strong\u003e — Designed for front installation on supported Siemens switching devices.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eScrew Terminal Connections\u003c\/strong\u003e — Conventional wiring connection for industrial control panels.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003e6A AC-15 at 230V\u003c\/strong\u003e — Manufacturer-specified auxiliary contact operational current.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eActual Product Photography\u003c\/strong\u003e — The Siemens accessory and matching original packaging are shown for model verification.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- ACTUAL PRODUCT VERIFICATION --\u003e\n    \u003cdiv style=\"margin-top:22px;padding:20px 22px;border:1px solid #D7E5F2;border-radius:8px;background:#FAFCFE;\"\u003e\n      \u003ch3 style=\"margin:0 0 12px;color:#009999;font-size:17px;\"\u003eActual Product Verification\u003c\/h3\u003e\n      \u003cdiv style=\"font-size:14px;color:#555;line-height:1.9;\"\u003e\n        \u003cdiv\u003e✓ Actual Siemens product and packaging photographs supplied\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging catalog number: \u003cstrong\u003e3RH2911-1HA22\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Physical device catalog number: \u003cstrong\u003e3RH2911-1HA22\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Contact configuration: \u003cstrong\u003e2 NO + 2 NC\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Front-mounted auxiliary contact block design\u003c\/div\u003e\n        \u003cdiv\u003e✓ Screw terminal connection configuration\u003c\/div\u003e\n        \u003cdiv\u003e✓ Rated insulation voltage marking: \u003cstrong\u003e690V AC\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Rated AC-15 current at 230V: \u003cstrong\u003e6A\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging EAN: \u003cstrong\u003e4011209829312\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging quantity: \u003cstrong\u003e1 piece\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Country of manufacture: \u003cstrong\u003eCzech Republic\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Physical product and packaging model numbers match\u003c\/div\u003e\n        \u003cdiv\u003e✓ Verify exact host contactor compatibility before purchasing\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- AVAILABILITY --\u003e\n    \u003cdiv style=\"background:#fff;border:2px solid #009999;border-left:8px solid #009999;padding:22px;margin-top:22px;border-radius:8px;\"\u003e\n      \u003ch3 style=\"margin:0 0 8px;font-size:17px;color:#009999;\"\u003eIn Stock \u0026amp; Available to Order\u003c\/h3\u003e\n      \u003cp style=\"font-size:14px;color:#555;line-height:1.8;margin:0;\"\u003e\n        Siemens \u003cstrong\u003e3RH2911-1HA22\u003c\/strong\u003e is marked \u003cstrong\u003ein stock\u003c\/strong\u003e based on the supplied inventory information. This SIRIUS auxiliary contact block features \u003cstrong\u003etwo normally open and two normally closed contacts\u003c\/strong\u003e, front-mounted installation and screw terminal connections for selected Siemens 3RT2 contactors and 3RH2 contactor relays. Actual photographs of the physical item and Siemens packaging are available for exact-model identification. The photographed package is marked \u003cstrong\u003eQty: 1\u003c\/strong\u003e. Please confirm the exact contactor or relay model and required contact configuration before completing an order.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- CTA --\u003e\n    \u003cdiv style=\"margin-top:25px;padding:25px;background:#009999;border-radius:8px;text-align:center;color:#fff;\"\u003e\n      \u003cdiv style=\"font-size:12px;font-weight:800;\"\u003eIN STOCK\u003c\/div\u003e\n      \u003ch3 style=\"margin:8px 0;color:#fff;font-size:20px;\"\u003eSiemens 3RH2911-1HA22\u003c\/h3\u003e\n      \u003cp style=\"font-size:14px;margin:0 0 16px;color:#fff;\"\u003e\n        Contact us for exact-model verification, individual unit orders, bulk quantities and Siemens SIRIUS accessory sourcing. Please confirm the 2NO+2NC configuration and your compatible 3RT2 or 3RH2 device before ordering.\n      \u003c\/p\u003e\n      \u003ca href=\"\/pages\/contact\" style=\"display:inline-block;background:#fff;color:#009999;text-decoration:none;font-weight:800;padding:12px 24px;border-radius:6px;\"\u003eRequest Bulk Pricing\u003c\/a\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- SIEMENS BRAND INTERNAL LINK --\u003e\n    \u003cdiv style=\"margin-top:26px;padding-top:20px;border-top:1px solid #eee;\"\u003e\n      \u003cp style=\"margin:0 0 4px;font-size:14px;color:#555;\"\u003eLooking for other Siemens industrial automation products?\u003c\/p\u003e\n      \u003ca href=\"\/collections\/siemens\" style=\"color:#009999;font-size:14px;font-weight:800;text-decoration:underline;\"\u003eExplore Siemens Industrial Automation Products\u003c\/a\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"SIEMENS","offers":[{"title":"3RH2911-1HA22","offer_id":58065387094319,"sku":"3RH2911-1HA22","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/9473\/5919\/files\/Siemens-3RH2911-1HA22-SIRIUS-Auxiliary-Switch-Block-2NO-2NC-Front-Mount-Screw-Terminal-Contactor-Block-Brand-New-Original.jpg?v=1781186782"},{"product_id":"siemens-3rh1921-1ca01-sirius-auxiliary-switch-block-1nc","title":"Siemens 3RH1921-1CA01 SIRIUS 1NC Auxiliary Contact Block","description":"\n\u003cdiv style=\"width:100%;max-width:850px;margin:20px auto;font-family:Inter,Arial,sans-serif;color:#222;line-height:1.65;border:2px solid #009999;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 15px rgba(0,0,0,0.08);\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv style=\"background:#009999;padding:26px 30px;color:#fff;\"\u003e\n    \u003cdiv style=\"font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;margin-bottom:6px;\"\u003e\n      YingZhou Industrial Automation | Product Information\n    \u003c\/div\u003e\n    \u003ch2 style=\"margin:0;font-size:25px;font-weight:800;color:#fff;line-height:1.3;\"\u003e\n      Siemens 3RH1921-1CA01 SIRIUS Auxiliary Contact Block\n    \u003c\/h2\u003e\n    \u003cdiv style=\"margin-top:8px;font-size:14px;font-weight:700;\"\u003e\n      1 NC | Front-Mounted | Screw Terminals | Siemens 3RT1\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- STOCK STATUS --\u003e\n  \u003cdiv style=\"padding:14px 25px;background:#F2F7FC;border-bottom:1px solid #eee;font-size:14px;\"\u003e\n    \u003cstrong style=\"color:#009999;\"\u003e✓ IN STOCK \u0026amp; AVAILABLE TO ORDER\u003c\/strong\u003e\n    \u003cspan style=\"color:#555;\"\u003e |  Actual Product Photos  |  Exact Model Verified\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- TECHNICAL SPECIFICATIONS --\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n    \u003ctr style=\"background:#F2F7FC;\"\u003e\n      \u003cth style=\"padding:12px;border:1px solid #ddd;text-align:left;width:40%;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"padding:12px;border:1px solid #ddd;text-align:left;\"\u003eVerified Product Data\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSiemens AG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCatalog Number\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e3RH1921-1CA01\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Family\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSIRIUS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Series\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e3RH19\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eAuxiliary Contact Block\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eMounting Position\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFront-Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eInstallation Method\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSnap-On Mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eContact Configuration\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1 Normally Closed (1 NC)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNormally Open Contacts\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNormally Closed Contacts\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNumber of Poles\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eTerminal Connection\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCompatible Contactor Family\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSelected Siemens 3RT1 Contactors\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Insulation Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e690V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Current AC-15 @ 230V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Current DC-13 @ 24V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e-25°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eHeight\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eWidth\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eDepth\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e51mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eConductor Cross-Section\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e0.5–2.5mm², Solid or Stranded\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e18g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eEAN \/ GTIN\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e4011209281639\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCzech Republic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eManufacturer Lifecycle\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003ePM300 — Active Product\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003cdiv style=\"padding:30px;\"\u003e\n\n    \u003c!-- PRODUCT OVERVIEW --\u003e\n    \u003ch2 style=\"font-size:19px;font-weight:800;color:#222;margin:0 0 12px;border-bottom:4px solid #009999;padding-bottom:7px;\"\u003e\n      Product Overview\n    \u003c\/h2\u003e\n    \u003cp style=\"font-size:14px;color:#555;line-height:1.8;margin:0;\"\u003e\n      The \u003cstrong\u003eSiemens 3RH1921-1CA01\u003c\/strong\u003e is a \u003cstrong\u003eSIRIUS front-mounted auxiliary contact block\u003c\/strong\u003e designed for use with selected Siemens 3RT1 contactors. The accessory provides \u003cstrong\u003eone normally closed (1 NC) auxiliary contact\u003c\/strong\u003e for industrial control and signaling circuits. It features \u003cstrong\u003efront snap-on mounting\u003c\/strong\u003e and \u003cstrong\u003escrew terminal connections\u003c\/strong\u003e for installation on supported contactor assemblies. The manufacturer specifies a \u003cstrong\u003e690V AC rated insulation voltage\u003c\/strong\u003e, a rated operational current of \u003cstrong\u003e6A at 230V AC-15\u003c\/strong\u003e, and a rated operational current of \u003cstrong\u003e6A at 24V DC-13\u003c\/strong\u003e. Its compact dimensions are \u003cstrong\u003e38mm high, 10mm wide and 51mm deep\u003c\/strong\u003e, with an operating ambient temperature range from \u003cstrong\u003e-25°C to +60°C\u003c\/strong\u003e. This auxiliary contact block is intended for control circuit switching and is not a standalone power contactor. The supplied actual product photographs show the accessory and Siemens packaging, both identifying \u003cstrong\u003e3RH1921-1CA01\u003c\/strong\u003e. The packaging specifies the \u003cstrong\u003e1 NC\u003c\/strong\u003e configuration, a \u003cstrong\u003e10-piece box quantity\u003c\/strong\u003e, and \u003cstrong\u003eCzech Republic\u003c\/strong\u003e as the manufacturing origin. Before ordering, please confirm your exact contactor model and required normally closed contact arrangement.\n    \u003c\/p\u003e\n\n    \u003c!-- KEY PRODUCT FEATURES --\u003e\n    \u003cdiv style=\"background:#F2F7FC;border-left:8px solid #009999;padding:22px;margin-top:22px;border-radius:8px;\"\u003e\n      \u003ch3 style=\"margin:0 0 12px;color:#009999;font-size:17px;\"\u003eKey Product Features\u003c\/h3\u003e\n      \u003cul style=\"font-size:14px;color:#555;padding-left:20px;margin:0;\"\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eSiemens SIRIUS Auxiliary Contact Block\u003c\/strong\u003e — Front-mounted industrial switching accessory for compatible Siemens 3RT1 contactors.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003e1 Normally Closed Contact\u003c\/strong\u003e — Provides one NC auxiliary contact for control and signaling circuits.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eFront Snap-On Mounting\u003c\/strong\u003e — Designed for attachment to supported Siemens contactors.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eScrew Terminal Connection\u003c\/strong\u003e — Supports standard industrial wiring methods.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003e6A AC-15 at 230V\u003c\/strong\u003e — Manufacturer-specified operational switching current.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eCompact Design\u003c\/strong\u003e — Dimensions of 38 × 10 × 51mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eActual Product Photography\u003c\/strong\u003e — The accessory and original packaging are shown with matching exact-model markings.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- ACTUAL PRODUCT VERIFICATION --\u003e\n    \u003cdiv style=\"margin-top:22px;padding:20px 22px;border:1px solid #D7E5F2;border-radius:8px;background:#FAFCFE;\"\u003e\n      \u003ch3 style=\"margin:0 0 12px;color:#009999;font-size:17px;\"\u003eActual Product Verification\u003c\/h3\u003e\n      \u003cdiv style=\"font-size:14px;color:#555;line-height:1.9;\"\u003e\n        \u003cdiv\u003e✓ Actual Siemens accessory and packaging photographs supplied\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging catalog number: \u003cstrong\u003e3RH1921-1CA01\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Physical device catalog number: \u003cstrong\u003e3RH1921-1CA01\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Contact arrangement: \u003cstrong\u003e1 Normally Closed (1 NC)\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Front-mounted auxiliary contact block design\u003c\/div\u003e\n        \u003cdiv\u003e✓ Screw terminal connection configuration\u003c\/div\u003e\n        \u003cdiv\u003e✓ Rated insulation voltage marking: \u003cstrong\u003e690V AC\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ AC-15 operational current @ 230V: \u003cstrong\u003e6A\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ EAN barcode: \u003cstrong\u003e4011209281639\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Original packaging marked \u003cstrong\u003eQty: 10\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Country of origin: \u003cstrong\u003eCzech Republic\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging and physical product model numbers match\u003c\/div\u003e\n        \u003cdiv\u003e✓ Confirm host contactor compatibility and required purchasing quantity before ordering\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- AVAILABILITY --\u003e\n    \u003cdiv style=\"background:#fff;border:2px solid #009999;border-left:8px solid #009999;padding:22px;margin-top:22px;border-radius:8px;\"\u003e\n      \u003ch3 style=\"margin:0 0 8px;font-size:17px;color:#009999;\"\u003eIn Stock \u0026amp; Available to Order\u003c\/h3\u003e\n      \u003cp style=\"font-size:14px;color:#555;line-height:1.8;margin:0;\"\u003e\n        Siemens \u003cstrong\u003e3RH1921-1CA01\u003c\/strong\u003e is marked \u003cstrong\u003ein stock\u003c\/strong\u003e based on supplied inventory information. This front-mounted SIRIUS auxiliary contact block provides \u003cstrong\u003eone normally closed contact\u003c\/strong\u003e for compatible Siemens 3RT1 contactor systems. Actual photographs of the physical product and Siemens packaging are available for exact-model identification. The photographed packaging is marked \u003cstrong\u003eQty: 10\u003c\/strong\u003e. Please confirm whether your order requires individual pieces or a complete box, and verify the exact contactor model before purchasing.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- CTA --\u003e\n    \u003cdiv style=\"margin-top:25px;padding:25px;background:#009999;border-radius:8px;text-align:center;color:#fff;\"\u003e\n      \u003cdiv style=\"font-size:12px;font-weight:800;\"\u003eIN STOCK\u003c\/div\u003e\n      \u003ch3 style=\"margin:8px 0;color:#fff;font-size:20px;\"\u003eSiemens 3RH1921-1CA01\u003c\/h3\u003e\n      \u003cp style=\"font-size:14px;margin:0 0 16px;color:#fff;\"\u003e\n        Contact us for exact-model confirmation, individual piece orders, bulk quantities and Siemens SIRIUS accessory sourcing. Please verify the 1 NC configuration, compatible 3RT1 contactor and required order quantity before purchasing.\n      \u003c\/p\u003e\n      \u003ca href=\"\/pages\/contact\" style=\"display:inline-block;background:#fff;color:#009999;text-decoration:none;font-weight:800;padding:12px 24px;border-radius:6px;\"\u003eRequest Bulk Pricing\u003c\/a\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- SIEMENS BRAND INTERNAL LINK --\u003e\n    \u003cdiv style=\"margin-top:26px;padding-top:20px;border-top:1px solid #eee;\"\u003e\n      \u003cp style=\"margin:0 0 4px;font-size:14px;color:#555;\"\u003eLooking for other Siemens industrial automation products?\u003c\/p\u003e\n      \u003ca href=\"\/collections\/siemens\" style=\"color:#009999;font-size:14px;font-weight:800;text-decoration:underline;\"\u003eExplore Siemens Industrial Automation Products\u003c\/a\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"SIEMENS","offers":[{"title":"3RH1921-1CA01","offer_id":58065392828719,"sku":"3RH1921-1CA01","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/9473\/5919\/files\/Siemens-3RH1921-1CA01-SIRIUS-Auxiliary-Switch-Block-1NC-Front-Mount-Screw-Terminal-Contactor-Block-Brand-New-Original.jpg?v=1781187229"},{"product_id":"siemens-3rh1921-1ca10-sirius-auxiliary-switch-block-1no","title":"Siemens 3RH1921-1CA10 SIRIUS 1NO Auxiliary Contact Block","description":"\n\u003cdiv style=\"width:100%;max-width:850px;margin:20px auto;font-family:Inter,Arial,sans-serif;color:#222;line-height:1.65;border:2px solid #009999;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 15px rgba(0,0,0,0.08);\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003cdiv style=\"background:#009999;padding:26px 30px;color:#fff;\"\u003e\n    \u003cdiv style=\"font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;margin-bottom:6px;\"\u003e\n      YingZhou Industrial Automation | Product Information\n    \u003c\/div\u003e\n    \u003ch2 style=\"margin:0;font-size:25px;font-weight:800;color:#fff;line-height:1.3;\"\u003e\n      Siemens 3RH1921-1CA10 SIRIUS Auxiliary Contact Block\n    \u003c\/h2\u003e\n    \u003cdiv style=\"margin-top:8px;font-size:14px;font-weight:700;\"\u003e\n      1 NO | Front-Mounted | Screw Terminals | For Siemens 3RT1\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- STOCK STATUS --\u003e\n  \u003cdiv style=\"padding:14px 25px;background:#F2F7FC;border-bottom:1px solid #eee;font-size:14px;\"\u003e\n    \u003cstrong style=\"color:#009999;\"\u003e✓ IN STOCK \u0026amp; AVAILABLE TO ORDER\u003c\/strong\u003e\n    \u003cspan style=\"color:#555;\"\u003e |  Actual Product Photos  |  Model Verified\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- TECHNICAL SPECIFICATIONS --\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n    \u003ctr style=\"background:#F2F7FC;\"\u003e\n      \u003cth style=\"padding:12px;border:1px solid #ddd;text-align:left;width:40%;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"padding:12px;border:1px solid #ddd;text-align:left;\"\u003eVerified Product Data\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSiemens AG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCatalog Number\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e3RH1921-1CA10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Family\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSIRIUS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Series\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e3RH19\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eAuxiliary Contact Block\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eMounting Position\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eFront-Mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eInstallation Method\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSnap-On\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eContact Configuration\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1 Normally Open (1 NO)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNormally Open Contacts\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNormally Closed Contacts\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNumber of Poles\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eTerminal Connection\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCompatible Contactor Family\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eSelected Siemens 3RT1 Contactors\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Insulation Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e690V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eRated Impulse Withstand Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6kV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eAC-12 Operational Current @ 230V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eAC-15 Operational Current @ 24V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eAC-15 Operational Current @ 230V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eAC-15 Operational Current @ 400V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e3A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eDC-13 Operational Current @ 24V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eFront Protection Rating\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e-25°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eMechanical Service Life\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e10,000,000 Operations\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eElectrical Endurance AC-15 @ 230V\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e200,000 Operations\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e19g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003ePackaging Box Quantity\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e10 Pieces (Actual Packaging)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003eCzech Republic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;font-weight:700;\"\u003eEAN \/ GTIN\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #ddd;\"\u003e4011209281332\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\n  \u003cdiv style=\"padding:30px;\"\u003e\n\n    \u003c!-- PRODUCT OVERVIEW --\u003e\n    \u003ch2 style=\"font-size:19px;font-weight:800;color:#222;margin:0 0 12px;border-bottom:4px solid #009999;padding-bottom:7px;\"\u003e\n      Product Overview\n    \u003c\/h2\u003e\n    \u003cp style=\"font-size:14px;color:#555;line-height:1.8;margin:0;\"\u003e\n      The \u003cstrong\u003eSiemens 3RH1921-1CA10\u003c\/strong\u003e is a \u003cstrong\u003eSIRIUS front-mounted auxiliary contact block\u003c\/strong\u003e designed for use with selected Siemens 3RT1 contactors. This one-pole accessory provides \u003cstrong\u003eone normally open (1 NO) auxiliary contact\u003c\/strong\u003e for control and signaling circuits. Its front snap-on mounting design allows installation on compatible contactor assemblies, while \u003cstrong\u003escrew terminals\u003c\/strong\u003e provide electrical connections for industrial control wiring. The manufacturer specifies a rated operational current of \u003cstrong\u003e6A at 230V AC-15\u003c\/strong\u003e and \u003cstrong\u003e3A at 400V AC-15\u003c\/strong\u003e, together with an insulation voltage rating of \u003cstrong\u003e690V AC\u003c\/strong\u003e and a rated impulse withstand voltage of \u003cstrong\u003e6kV\u003c\/strong\u003e. The front protection rating is \u003cstrong\u003eIP20\u003c\/strong\u003e, with an operating temperature range of \u003cstrong\u003e-25°C to +60°C\u003c\/strong\u003e. The Siemens 3RH1921-1CA10 is intended as an auxiliary switching accessory and must not be used as a main power contactor. The supplied actual product photographs show the Siemens accessory, including its exact catalog number and electrical rating label. The original Siemens packaging also identifies the model \u003cstrong\u003e3RH1921-1CA10\u003c\/strong\u003e, the \u003cstrong\u003e1 NO\u003c\/strong\u003e contact arrangement, and a packaging quantity of \u003cstrong\u003e10 pieces\u003c\/strong\u003e. The device and packaging are marked \u003cstrong\u003eMade in Czech Republic\u003c\/strong\u003e. Before ordering, please confirm your exact contactor model and the required auxiliary contact configuration.\n    \u003c\/p\u003e\n\n    \u003c!-- KEY PRODUCT FEATURES --\u003e\n    \u003cdiv style=\"background:#F2F7FC;border-left:8px solid #009999;padding:22px;margin-top:22px;border-radius:8px;\"\u003e\n      \u003ch3 style=\"margin:0 0 12px;color:#009999;font-size:17px;\"\u003eKey Product Features\u003c\/h3\u003e\n      \u003cul style=\"font-size:14px;color:#555;padding-left:20px;margin:0;\"\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eSiemens SIRIUS Auxiliary Contact Block\u003c\/strong\u003e — Industrial control accessory for compatible Siemens 3RT1 contactors.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003e1 Normally Open Contact\u003c\/strong\u003e — Adds one auxiliary NO switching contact to a supported contactor assembly.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eFront Snap-On Mounting\u003c\/strong\u003e — Designed for mounting directly onto compatible contactors.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eScrew Terminal Design\u003c\/strong\u003e — Supports conventional industrial control wiring.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003e6A AC-15 at 230V\u003c\/strong\u003e — Manufacturer-specified auxiliary circuit operational current.\u003c\/li\u003e\n        \u003cli style=\"margin-bottom:7px;\"\u003e\n\u003cstrong\u003eIP20 Front Protection\u003c\/strong\u003e — Front protection rating for the specified accessory design.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eActual Product Photography\u003c\/strong\u003e — Real photographs of the Siemens accessory and its packaging support exact-model identification.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- ACTUAL PRODUCT VERIFICATION --\u003e\n    \u003cdiv style=\"margin-top:22px;padding:20px 22px;border:1px solid #D7E5F2;border-radius:8px;background:#FAFCFE;\"\u003e\n      \u003ch3 style=\"margin:0 0 12px;color:#009999;font-size:17px;\"\u003eActual Product Verification\u003c\/h3\u003e\n      \u003cdiv style=\"font-size:14px;color:#555;line-height:1.9;\"\u003e\n        \u003cdiv\u003e✓ Actual Siemens accessory and packaging photographs supplied\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging catalog number: \u003cstrong\u003e3RH1921-1CA10\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Physical device model marking: \u003cstrong\u003e3RH1921-1CA10\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Contact arrangement: \u003cstrong\u003e1 Normally Open (1 NO)\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Front-mounted auxiliary contact block design\u003c\/div\u003e\n        \u003cdiv\u003e✓ Screw terminal connection configuration\u003c\/div\u003e\n        \u003cdiv\u003e✓ Physical label identifies \u003cstrong\u003e690V AC insulation rating\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ AC-15 operational current at 230V: \u003cstrong\u003e6A\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging EAN: \u003cstrong\u003e4011209281332\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Original packaging marked \u003cstrong\u003eQty: 10\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Packaging and physical device origin: \u003cstrong\u003eCzech Republic\u003c\/strong\u003e\n\u003c\/div\u003e\n        \u003cdiv\u003e✓ Exact packaging and device catalog numbers match\u003c\/div\u003e\n        \u003cdiv\u003e✓ Confirm required order quantity and specific contactor compatibility before shipment\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- AVAILABILITY --\u003e\n    \u003cdiv style=\"background:#fff;border:2px solid #009999;border-left:8px solid #009999;padding:22px;margin-top:22px;border-radius:8px;\"\u003e\n      \u003ch3 style=\"margin:0 0 8px;font-size:17px;color:#009999;\"\u003eIn Stock \u0026amp; Available to Order\u003c\/h3\u003e\n      \u003cp style=\"font-size:14px;color:#555;line-height:1.8;margin:0;\"\u003e\n        Siemens \u003cstrong\u003e3RH1921-1CA10\u003c\/strong\u003e is marked \u003cstrong\u003ein stock\u003c\/strong\u003e based on the supplied inventory information. This SIRIUS auxiliary contact block is offered for industrial maintenance, electrical control panel procurement and replacement accessory requirements. The device provides \u003cstrong\u003eone normally open auxiliary contact\u003c\/strong\u003e and is designed for front mounting on compatible Siemens 3RT1 contactors. Actual photographs of the physical product and original packaging are available for model identification. The photographed packaging is labeled as a \u003cstrong\u003e10-piece box\u003c\/strong\u003e; please confirm whether your order requires individual pieces or the complete box. Verify the exact host contactor, contact arrangement, auxiliary circuit ratings and final dispatch quantity before ordering.\n      \u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- CTA --\u003e\n    \u003cdiv style=\"margin-top:25px;padding:25px;background:#009999;border-radius:8px;text-align:center;color:#fff;\"\u003e\n      \u003cdiv style=\"font-size:12px;font-weight:800;\"\u003eIN STOCK\u003c\/div\u003e\n      \u003ch3 style=\"margin:8px 0;color:#fff;font-size:20px;\"\u003eSiemens 3RH1921-1CA10\u003c\/h3\u003e\n      \u003cp style=\"font-size:14px;margin:0 0 16px;color:#fff;\"\u003e\n        Contact us for exact-model verification, individual pieces, complete box quantities and Siemens SIRIUS accessory sourcing. Please confirm the 1 NO configuration and compatibility with your specific 3RT1 contactor before ordering.\n      \u003c\/p\u003e\n      \u003ca href=\"\/pages\/contact\" style=\"display:inline-block;background:#fff;color:#009999;text-decoration:none;font-weight:800;padding:12px 24px;border-radius:6px;\"\u003eRequest Bulk Pricing\u003c\/a\u003e\n    \u003c\/div\u003e\n\n    \u003c!-- SIEMENS BRAND INTERNAL LINK --\u003e\n    \u003cdiv style=\"margin-top:26px;padding-top:20px;border-top:1px solid #eee;\"\u003e\n      \u003cp style=\"margin:0 0 4px;font-size:14px;color:#555;\"\u003eLooking for other Siemens industrial automation products?\u003c\/p\u003e\n      \u003ca href=\"\/collections\/siemens\" style=\"color:#009999;font-size:14px;font-weight:800;text-decoration:underline;\"\u003eExplore Siemens Industrial Automation Products\u003c\/a\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"SIEMENS","offers":[{"title":"3RH1921-1CA10","offer_id":58065491853615,"sku":"3RH1921-1CA10","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/9473\/5919\/files\/Siemens-3RH1921-1CA10-SIRIUS-Auxiliary-Switch-Block-1NO-Front-Mount-Screw-Terminal-Contactor-Block-Brand-New-Original.jpg?v=1781188529"}],"url":"https:\/\/szyingzhou.com\/collections\/siemens-auxiliary-contacts.oembed","provider":"YingZhou Automatization","version":"1.0","type":"link"}