Siemens 3RA1931-1BA00 Link Module, Electrical & Mechanical For 3RV1.31 / 3RT1.3, DC Operation Original Brand New

Overview

The Siemens 3RA1931-1BA00 is a link module designed for both electrical and mechanical connection between Siemens 3RV1.31 motor starter protectors and 3RT1.3 contactors. Optimized for DC operation, this module provides a safe, compact, and durable link solution for the SIRIUS control system. Manufactured to Siemens’ rigorous standards, this module simplifies installation, reduces wiring time, and ensures seamless integration within industrial automation systems.

Key Features

• Electrical & mechanical linking: Securely connects 3RV1.31 and 3RT1.3 devices.

• Optimized for DC operation: Designed to deliver consistent performance in DC circuits.

• Durable Siemens quality: Ensures reliability and long service life in industrial environments.

• Compact design: Saves space within control panels.

• Easy installation: Reduces wiring complexity and setup time.

• Compatible with Siemens SIRIUS system: Fully matches Siemens industrial control architecture.

Benefit

• Efficient integration: Simplifies coupling between motor starter protectors and contactors.

• Reduced maintenance time: Plug-and-link design minimizes wiring errors.

• Improved reliability: Factory-tested to Siemens quality standards.

• Enhanced system organization: Streamlines your control cabinet layout.

• Seamless replacement: Compatible successor available for system upgrades.

Function & Application

The Siemens 3RA1931-1BA00 serves as an interconnecting link between a circuit breaker and contactor within automation and motor-control systems. It transmits both electrical power and mechanical force, allowing fast assembly of SIRIUS starter combinations.
Typical applications include:

• Industrial motor control centers

• Conveyor systems and automation panels

• Machinery protection and control setups

• Maintenance and retrofit projects using Siemens SIRIUS modules

Compatibility

• For use with: 3RV1.31 (motor starter protectors)

• For use with: 3RT1.3 (contactors)

• Operation type: DC

• Packaging: Individual unit

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