matching the electrical footprint and primary control parameters

This specific model is rated for water and glycol

Direct Compatibility: Exact replacement for part 1148480

and static pressure capabilities required by the original equipment design

Siemens Industrial Controls 3RH2911-1FA22 Aux Switch 320720-756 matching the electrical footprint andThe Siemens 3RH2911 1FA22 is a front mounted auxiliary switch block designed for the Sirius 3RT2 contactor and 3RH2 contactor relay families. Engineered for high cycle industrial automation, this 4 pole unit provides 2NO (Normally Open) and 2NC (Normally Closed) contacts with instantaneous switching capability. With a rated insulation voltage of 690 V and a surge voltage resistance of 6 kV, it is built to withstand the electrical transients typical in