SIEMENS 3RH2122-2KB40 – contactor relay | JUAL SIEMENS 3RH2122-2KB40 – coupling contactor relay, 2 NO + 2 NC, 24 V DC, 0.7-1.25*Us, with integrated suppressor diode, spring-loaded terminal, frame size S00, suitable for PLC outputs, not expandable with auxiliary switch