3RA1921-1B

Siemens 3RA1921-1B available at EU Automation. Get in touch today for a quick price.

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The Siemens 3RA1921-1B is a versatile link module designed for electrical and mechanical integration with 3RV1.2 circuit breakers and 3RT1.2 contactors in DC operation. This compact S0 size module ensures seamless connectivity and efficient performance in various industrial automation applications. Please note that the 3RA1921-1B is a phased-out product, and its recommended successor is the SIRIUS 3RA2 with the preferred successor type being 3RA2921-1B. Enhance your automation system with the reliable and robust Siemens 3RA1921-1B link module.
Specification Description
Part Number 3RA1921-1B
Alternative Part Number 3RA19211B
Manufacturer Siemens
Category General Automation
Product Brand Name SIRIUS
Product Designation Link module
Product Application For 3RV1.2 and 3RT1.2, DC actuation
Circuit-Breaker Size S0
Contactor Size S0
Successor Type 3RA2921-1B (preferred)
Certificates/Approvals Please refer to the datasheet for specific approvals

What is the purpose of this link module?

The Siemens link module is designed for electrical and mechanical operations. It is used with 3RV1.2 and 3RT1.2 devices, providing DC actuation.

What is the size of the circuit-breaker and contactor for this module?

The size of both the circuit-breaker and the contactor for this link module is S0.

Is this link module still in production?

No, this link module is a phased-out product. The preferred successor type is 3RA2921-1B.

What is the product brand name?

The product brand name is SIRIUS.

What approvals does this link module have?

The link module has a General Product Approval and a Declaration of Conformity.

What is the packing information for this link module?

The link module is packed in sets of 10 items for DC operation.

What is the Commodity Code for this link module?

The Commodity Code for this link module is 85366990.

  • Motor control and protection in industrial automation systems
  • Integration with contactors for motor starting applications
  • Circuit breaker and contactor combination for efficient power distribution
  • DC actuation in control panels and switchgear assemblies
  • Enhancing safety and reliability in motor-driven machinery
  • Simplifying wiring and installation in control cabinets
  • Retrofitting and upgrading existing control systems
  • Use in conveyor systems, pumps, fans, and other motor-driven equipment

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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