Siemens Industrial Controls 3RA1921-1DA00 Link Module Freon This high limit switch features

This high limit switch features a 20°F differential

Optimized Steam Distribution: Engineered to provide uniform moisture output across the airflow

making it a standard choice for HVAC heat pump auxiliary heat requirements

Reliable System Integration: Designed to maintain original factory sequence and safety parameters without modification

Siemens Industrial Controls 3RA1921-1DA00 Link Module Freon This high limit switch featuresThe Siemens 3RA1921 1DA00 Link Module is a critical component for streamlining the assembly of SIRIUS motor starters. Engineered for mechanical and electrical connection, this module enables the direct coupling of 3RT201 contactors (Size S00) to 3RV2 circuit breakers or motor starter protectors (Sizes S00 and S0). By utilizing screw terminal connections, it eliminates the need for complex internal wiring between the protective device and the