Siemens 3RA1953-3D SIRIUS Contactor Link Rail Set for S6 Original Brand New

Overview: Siemens 3RA1953-3D Contactor Busbar Connector

The Siemens 3RA1953-3D SIRIUS Link Rail Set is an essential accessory designed for creating reliable and efficient reversing contactor assemblies. Specifically engineered for use with the SIRIUS 3RT1.5 contactor assemblies and Size S6 reversing contactors, this component simplifies the infeed-side wiring process. It functions as a contactor busbar connector, ensuring a robust, in-phase electrical connection between the two contactors in the assembly.

Key Features & Specification

• Part Number: 3RA1953-3D
• Application: For use with 3RT1.5 contactor assemblies
• Contactor Size: Suitable for Size S6 Reversing Contactor Assemblies
• Connection Type: Contactor Busbar Connector / Link Rail Set
• Connection Position: Infeed side (top connection)
• Phase: In-phase connection for standard 3-phase motor applications.
• Poles: 3-pole design.
• Design: Pre-fabricated, robust link for fast and error-free assembly

Function

The 3RA1953-3D Link Rail Set serves as a direct, three-pole electrical and mechanical connection between two power contactors (typically a forward and reverse contactor) to form a complete reversing starter assembly. It is mounted on the infeed side (power supply side) to ensure the correct, in-phase power distribution across the poles for motor operation.