Siemens Industrial Controls 3RH2911-1FA22 Aux Switch 30067439-890 Key Benefits Ensures consistent compressor

Key Benefits Ensures consistent compressor motor start-up by precisely monitoring back EMF for reliable circuit switching

While homeowners can purchase the part

Common Questions What does the 0131P00010SP replace

Whether you are performing a central air conditioner repair or upgrading for better efficiency

Universal Ignition Support: Compatible with HSI

Siemens Industrial Controls 3RH2911-1FA22 Aux Switch 30067439-890 Key Benefits Ensures consistent compressorThe 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