SIEMENS 3RH2122-2KB40 – coupling 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 | Automation technology > Industrial controls > Switching devices > Contactors and contactor assemblies > Contactors for special applications > Contactors for railway applications > SIRIUS 3RH2 contactor relays with extended application range > 3RH2131-2KF40-0LA0