SIEMENS 3RH2131-1SB40 – contactor relay | JUAL SIEMENS 3RH2131-1SB40 – coupling contactor relay, 3 NO + 1 NC, 24 V DC, 0.85-1.85*Us, with integrated suppressor diode, screw terminal, frame size S00, suitable for PLC outputs, not expandable with auxiliary switch