Siemens Industrial Controls 3RA1921-1DA00 Link Module 320720-756 standard for most Bohn and

standard for most Bohn and Heatcraft refrigeration setups

9 Cv flow coefficient with an equal percentage flow characteristic for stable heat transfer across various load conditions

Internal Pilot Operation: Utilizes system pressure to actuate the valve

maintaining stable system operation and protecting the compressor from liquid slugging

The high-grade elastomeric materials used in these o-rings provide superior resistance to wear and corrosion in demanding industrial HVAC environments

Siemens Industrial Controls 3RA1921-1DA00 Link Module 320720-756 standard for most Bohn andThe 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