YingZhou Industrial Automation | Product Information
Siemens 3RV2021-4DA10 SIRIUS Motor Protection Circuit Breaker
18-25A | CLASS 10 | 325A Magnetic Release | 3-Pole | Size S0
Product Overview
The Siemens 3RV2021-4DA10 is a
SIRIUS 3RV2 motor protection circuit breaker
designed for industrial motor protection applications.
It features a 3-pole configuration,
Size S0 construction,
and an adjustable thermal overload release range of
18-25A.
The breaker provides
CLASS 10 overload tripping characteristics
and a 325A instantaneous magnetic release
for short-circuit protection.
Its rated current is 25A,
with standard switching capacity and
manufacturer-specified screw terminal connections.
The rated operational voltage extends up to
690V AC, subject to the specified
electrical ratings and operating conditions.
At 400V AC, the Siemens catalog
identifies an ultimate short-circuit breaking capacity
of 55kA.
This model belongs to the Siemens SIRIUS 3RV2
motor starter protector product family
and has the manufacturer lifecycle classification
PM300 - Active Product.
The supplied product and packaging photographs
show the matching exact catalog number
3RV2021-4DA10,
an 18-25A marking,
and Made in Germany on the packaging.
Selection of the motor protection circuit breaker
should be based on the actual motor rated current,
operating voltage, starting conditions,
and the applicable protection requirements.
Key Product Features
-
SIRIUS 3RV2 Motor Protection Circuit Breaker — Siemens protective switching device for motor feeder applications.
-
18-25A Adjustable Thermal Release — Adjustable motor overload protection setting range.
-
CLASS 10 Tripping Characteristics — Manufacturer-specified overload tripping class.
-
325A Magnetic Release — Instantaneous release rating for short-circuit protection.
-
3-Pole Configuration — Protection for three-phase motor feeder circuits.
-
Compact Size S0 — SIRIUS S0 frame design.
-
Screw Terminal Connection — Manufacturer-specified electrical termination.
-
Standard Switching Capacity — Ultimate breaking capacity of 55kA at 400V AC.
-
PM300 Active Product — Listed under the active Siemens product lifecycle classification.
-
Actual Product Verification — Matching product nameplate and packaging model markings.
Actual Product Verification
✓ Actual Siemens product photographs supplied
✓ Product nameplate model: 3RV2021-4DA10
✓ Packaging model: 3RV2021-4DA10
✓ Product series: SIRIUS
✓ Visible adjustable current marking: 18-25A
✓ Visible magnetic release marking: 325A
✓ Product marking: E03
✓ Packaging quantity: 1 Piece
✓ Packaging country marking: Made in Germany
✓ Exact product and packaging catalog numbers match
In Stock & Available to Order
Siemens 3RV2021-4DA10
is marked in stock according to
the supplied inventory information.
This SIRIUS 3RV2 motor protection circuit breaker
provides an adjustable 18-25A
thermal overload setting range,
CLASS 10 tripping characteristics,
and a 325A instantaneous
magnetic release.
It features a compact
Size S0 3-pole construction
with screw terminal connections.
Actual product and packaging photographs
are provided to assist exact-model verification.
Before ordering, please confirm the
complete model number, motor rated current,
required adjustment range,
operating voltage, available fault current,
quantity, and any additional installation accessories.
YINGZHOU supports individual unit orders,
bulk purchasing and mixed-brand
industrial automation sourcing.
Final available quantities and dispatch
arrangements are subject to confirmation.
IN STOCK
Siemens 3RV2021-4DA10
Contact us for exact-model verification,
available quantities and bulk pricing.
Please confirm the 18-25A adjustment range,
CLASS 10 tripping characteristics,
325A magnetic release, and
motor protection requirements before ordering.
Request Bulk Pricing
