Siemens 3RT1456-2XF46-0LA2 Power contactor AC-1 275 A / 690 V / 40 ??C 3-pole, Uc: 72 V DC (0.7-1.25) PLC input 24-110 V DC drive: electronic auxiliary contacts 2 NO + 2 NC main circuit: busbar control and auxiliary circuit: spring-loaded terminal extended rated condition railroad IEC 60077