Siemens 3RA1931-1B Electrical and Mechanical Link Module
Siemens 3RA1931-1B Electrical and Mechanical Link Module for 3RV1/3RT1 contactors.
The Siemens 3RA1931-1B is an electrical and mechanical link module designed for use with Siemens 3RV1.31 and 3RT1.3 size S3 motor-protection circuit-breakers and contactors. This module allows for the direct mechanical coupling and electrical connection of these devices, facilitating coordinated operation in control circuits.
This link module is particularly useful in applications where multiple motor starters need to be operated together, such as in reversing or star-delta configurations. It ensures that control signals are transmitted accurately and that the mechanical actuation of the connected devices is synchronized, simplifying wiring and installation.
Stanlo Automation, a veteran-owned surplus parts distributor, stocks the Siemens 3RA1931-1B. We provide reliable, tested surplus automation components to keep your industrial operations running efficiently. Partner with Stanlo for quality parts and dependable service.
| Type | Link Module |
| Function | Electrical and Mechanical |
| Compatibility | Siemens 3RV1.31, 3RT1.3 (Size S3) |
| Operation | DC operation |