Siemens 3RH2131-1AB00 – SIRIUS Auxiliary Contact (1 NO)

The Siemens 3RH2131-1AB00 is a SIRIUS auxiliary contact (1 NO) designed to be fitted to SIRIUS control contactors and relay modules. It provides an additional normally-open switching contact for signalling or control circuits when the main contactor changes state. The compact modular design allows easy mounting to the contactor or on DIN rail depending on application. Suitable for industrial automation and control circuit use as an auxiliary signaling contact.