• Siemens 3RT2028-1BB40 SIRIUS 38A 18.5kW 24V DC Contactor-YingZhou Automatization
  • Siemens 3RT2028-1BB40 SIRIUS 38A 18.5kW 24V DC Contactor-YingZhou Automatization
  • Siemens 3RT2028-1BB40 SIRIUS 38A 18.5kW 24V DC Contactor-YingZhou Automatization
  • Siemens 3RT2028-1BB40 SIRIUS 38A 18.5kW 24V DC Contactor-YingZhou Automatization
  • Siemens 3RT2028-1BB40 SIRIUS 38A 18.5kW 24V DC Contactor-YingZhou Automatization
  • Siemens 3RT2028-1BB40 SIRIUS 38A 18.5kW 24V DC Contactor-YingZhou Automatization
  • Siemens 3RT2028-1BB40 SIRIUS 38A 18.5kW 24V DC Contactor-YingZhou Automatization
1 7

SIEMENS

Siemens 3RT2028-1BB40 SIRIUS 38A 18.5kW 24V DC Contactor

Siemens 3RT2028-1BB40 SIRIUS 38A 18.5kW 24V DC Contactor

$135.99 USD
$135.99 USD
Sale Sold out
Model Number
YingZhou Industrial Automation | Product Information

Siemens 3RT2028-1BB40 SIRIUS Power Contactor

38A AC-3 | 18.5kW @ 400V | 24V DC Coil | 3-Pole | 1NO + 1NC
✓ IN STOCK & AVAILABLE TO ORDER  |  Actual Product Photos  |  Exact Model Verified
Specification Verified Product Data
Manufacturer Siemens AG
Catalog Number 3RT2028-1BB40
Product Family SIRIUS 3RT2
Product Type Power Contactor
Utilization Category AC-3e / AC-3
Rated Operational Current @ 400V 38 A
Rated Motor Power @ 400V 18.5 kW
Coil Control Voltage 24 V DC
Main Contacts 3-Pole
Auxiliary Contacts 1 NO + 1 NC
Terminal Connection Screw Terminal
Contactor Size S0
Operating Ambient Temperature -25 to +60°C
Main Circuit Rated Insulation Voltage 690 V
Maximum Installation Altitude 2,000 m
Country of Origin Germany (Packaging Label)

Product Overview

The Siemens 3RT2028-1BB40 is a SIRIUS 3RT2 power contactor manufactured by Siemens AG for industrial electrical switching and motor control. It provides a rated operational current of 38A under AC-3e / AC-3 conditions and supports a rated motor power of 18.5kW at 400V AC. The contactor features a 24V DC control coil, three main power poles and integrated 1 normally open plus 1 normally closed auxiliary contact. The S0-size design uses screw-terminal connections for wiring in industrial control assemblies. The official Siemens technical data identifies an operating ambient temperature range of -25°C to +60°C and a rated main-circuit insulation voltage of 690V. The provided actual photographs show the same 3RT2028-1BB40 catalog number on both the product and Siemens packaging. Both labels also identify a 24V DC coil. The packaging states Made in Germany. Buyers should verify the exact control voltage, motor load rating, auxiliary contact configuration and installation requirements before ordering.

Key Product Features

  • Siemens SIRIUS 3RT2 Series — Manufacturer-confirmed industrial power contactor, catalog number 3RT2028-1BB40.
  • 38A AC-3 Rated Current — Operational current rating at 400V under specified AC-3 motor switching conditions.
  • 18.5kW Motor Power — Rated motor switching power at 400V AC.
  • 24V DC Control Coil — Exact control voltage verified by Siemens and the actual product marking.
  • Three Main Poles — 3-pole contactor configuration for industrial power switching.
  • 1NO + 1NC Auxiliary Contacts — Integrated normally open and normally closed contacts for control and status circuits.
  • S0 Frame with Screw Terminals — Siemens SIRIUS contactor construction with screw-type connections.
  • Industrial Operating Temperature — Specified operating ambient range of -25°C to +60°C.
  • Actual Product Verification — Matching catalog numbers and 24V DC markings on the photographed product and carton.
  • In Stock — Availability based on the supplied YINGZHOU inventory information.

Actual Product Verification

✓ Actual Siemens contactor and packaging photographs supplied
✓ Packaging catalog number: 3RT2028-1BB40
✓ Product nameplate catalog number: 3RT2028-1BB40
✓ Product family: SIRIUS
✓ Product type: Power Contactor
✓ Coil control voltage: 24V DC
✓ AC-3 operational current: 38A
✓ Rated motor power: 18.5kW at 400V
✓ Main contacts: 3-Pole
✓ Auxiliary contact configuration: 1NO + 1NC
✓ Packaging origin: Made in Germany
✓ Exact catalog number matches on the product and packaging
✓ Confirm required coil voltage, motor rating and quantity before ordering

In Stock & Available to Order

Siemens 3RT2028-1BB40 is marked in stock according to the supplied inventory information. This SIRIUS 3RT2 power contactor offers 38A AC-3 operational current at 400V, 18.5kW motor power at 400V and a 24V DC control coil. It includes three main poles and 1NO + 1NC auxiliary contacts. Actual product and packaging photographs are available for exact-model identification. Both photographed labels show the requested catalog number. Buyers should confirm the existing control supply, motor switching requirements, auxiliary contact needs and requested quantities before purchasing. YINGZHOU supports individual units, bulk requirements and mixed-brand industrial automation sourcing. Final available quantity and dispatch details are subject to order confirmation.

IN STOCK

Siemens 3RT2028-1BB40

Contact us for exact-model verification, available quantities, bulk quotations and industrial sourcing support. Please confirm the 24V DC coil, 38A AC-3 rating, 18.5kW motor power at 400V and 1NO + 1NC auxiliary contact configuration before ordering.

Request Bulk Pricing

Looking for other Siemens industrial automation products?

Explore Siemens Industrial Automation Products
View full details

PRODUCT CATEGORY