Contactor relay Siemens SIRIUS 3RH2122-1BB40
The SIRIUS contactor relay 3RH2122-1BB40 from Siemens with its 2 NO and 2 NC contacts and a control voltage of 24 V DC is the ideal contact element for your controller. Thanks to the possibility of extension with auxiliary contact blocks, the contactor relay 3RH2122-1BB40 can be flexibly extended if required. The proven screw connection of the contactor relay 3RH2122-1BB40 ensures the familiar wiring of your system. Typical fields of application include motor and plant control, switching of light controls and multiplication of signals.