Siemens 3RA2922-1BA00 Mounting Rail Adapter S00/S0 Original Brand New

Overview: SIRIUS DIN Rail Adapter for Motor Starters

The Siemens 3RA2922-1BA00 is a crucial accessory in the SIRIUS modular system, specifically designed as a short mounting rail adapter for the mechanical fixing of power components. It ensures the secure and precise positioning of a circuit breaker (CB) and a contactor, particularly those in Size S00 and S0. This adapter is essential for building compact and standardized motor starter assemblies, streamlining the installation process.

Benefit

1. Simplified Assembly: Allows for fast and easy mechanical connection and alignment of circuit breakers and contactors, reducing installation time.
2. Versatile Mounting: Offers flexibility with both quick DIN rail snapping and secure screw mounting for diverse panel designs.
3. Enhanced Stability: Provides a robust mechanical foundation for the coupled devices (S00/S0), improving the overall stability and reliability of the motor starter.
4. Space Efficiency: The “short” design optimizes panel space while maintaining the secure mechanical link between components.
5. Modular System Integration: Seamlessly fits into the Siemens SIRIUS modular control system, ensuring compatibility and easy maintenance.

Function

The 3RA2922-1BA00 functions solely as a mechanical adapter. Its primary role is to bridge the gap and ensure perfect alignment between two primary components—typically a motor protection circuit breaker (e.g., 3RV2) and a power contactor (e.g., 3RT2) of sizes S00 and S0—when mounted on a standard DIN rail (mounting rail). This precise mechanical connection is a prerequisite for subsequent electrical connection via busbars or link modules, ensuring a standardized, reliable motor feeder assembly.

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