Siemens SIRIUS 3RA1973-2A Link Rail Set for 3RT1.7 Reversing Contactors, Size S12 Busbar Connection Original Brand New

Overview

The Siemens 3RA1973-2A is a specialized, genuine SIRIUS accessory designed for the efficient and safe assembly of 3RT1.7 reversing contactor combinations (Size S12). This comprehensive kit includes the necessary link rails and a set of connection screws to complete a reversing starter setup, specifically for contactors equipped with busbar connection (excluding box terminals). It ensures correct phase swapping on the outgoing side, streamlining the wiring process for robust motor control applications.

Key Features & Function

• Integrated Reversing Solution: Provides the essential mechanical and electrical connections to combine two Siemens 3RT1.7 contactors into a fully functional reversing starter assembly.
• Complete Kit: Supplied with both the link rails for both infeed and outgoing side connections and the required connection screws, simplifying procurement and installation.
• Phase Swapping: The link rails are specifically designed to execute the necessary phase swapping on the outgoing side, which is crucial for reversing the direction of a three-phase motor.
• Busbar Compatibility: Optimized for use with 3RT1.7 contactors that utilize a busbar connection, offering a clean and secure electrical link (Note: not for use with box terminals).
• SIRIUS Quality: As part of the trusted Siemens SIRIUS modular system, the 3RA1973-2A ensures high reliability, durability, and perfect fitment with size S12 switching devices.

Benefit

• Optimized Installation Time: The pre-designed link rails significantly reduce on-site wiring complexity and labor, saving valuable installation time.
• Enhanced Safety and Reliability: Guarantees proper electrical connection and phase sequence for the reversing function, minimizing the risk of wiring errors and equipment damage.
• Perfect Fit Guarantee: Manufactured by Siemens for guaranteed compatibility with SIRIUS 3RT1.7 power contactors.
• Robust Construction: Designed to withstand the demanding conditions of industrial control environments, ensuring long-term performance.

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