3RA1921-1DA00 Siemens 3RA1921-1DA00 SIRIUS link module designed for S00 contactors and S00/S0 circuit breakers. Compatible with 3RV1.2, 3RT101, 3RV2.1/3RV2.2, and 3RT2.1 series.
Mfr Part #:

3RA1921-1DA00

Mfr Name: Siemens
Siemens
Siemens 3RA1921-1DA00 SIRIUS link module designed for S00 contactors and S00/S0 circuit breakers. Compatible with 3RV1.2, 3RT101, 3RV2.1/3RV2.2, and 3RT2.1 series.
Stock on Request

3RA1921-1DA00 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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3RA1921-1DA00 Description

Short technical summary and product information.

The Siemens 3RA1921-1DA00 is a SIRIUS link module accessory for use with S00 contactors and S00/S0 circuit breakers. This link module enables mechanical interlocking or coupling between compatible devices in motor control applications. It is designed for AC and DC control circuits. The module is part of the Siemens SIRIUS product family, which offers coordinated industrial control components. Package dimensions are 63.00 x 83.00 x 46.00 mm, and it is supplied as a single unit. Compatible devices include Siemens 3RV1.2, 3RT101, 3RV2.1/3RV2.2, and 3RT2.1 series. This link module supports circuit breaker sizes S00 and S0 and contactor size S00.

3RA1921-1DA00 Quick Information

Product Type: Link Module
Canonical Name: Siemens SIRIUS 3RA1921-1DA00 Link Module for S00 Contactors and S00/S0 Circuit Breakers
Subcategory: Motor Control Link Module

3RA1921-1DA00 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

3RA1921-1DA00 Features

  • Link module for S00 contactors and breakers.
  • Compatible with Siemens 3RT and 3RV series.
  • AC and DC control circuit operation.
  • Compact dimensions of 63x83x46 mm.
  • Part of SIRIUS product family.

3RA1921-1DA00 Applications

  • Used in motor control centers and panels.
  • For interlocking contactor and breaker assemblies.
  • Suitable for AC and DC control circuits.
  • Fits S00 contactor and S00/S0 breaker sizes.

3RA1921-1DA00 FAQs

6 frequently asked questions generated from this part’s specifications.
What type of accessory is the Siemens 3RA1921-1DA00?

It is a link module.

What circuit breakers are compatible with this link module?

Compatible with 3RV1.2, 3RV2.1/3RV2.2 circuit breakers in sizes S00 and S0.

What contactors are compatible?

Compatible with 3RT101 and 3RT2.1 contactors in size S00.

What are the dimensions of this link module?

63.00 x 83.00 x 46.00 mm.

Is the 3RA1921-1DA00 part of the Siemens SIRIUS product family?

Yes, the product brand name is SIRIUS.

What is the package quantity for this product?

1 unit per package.

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