Siemens 3RT2045-3KB40-0VT0 Power contactor, AC-3e/AC-3, 80 A, 37 kW / 400 V, 3-pole, 24 V DC, 0.8-1.2* Uc, with integrated varistor, auxiliary contacts: 1 NO + 1 NC, integrated varistor, main circuit: screw terminal, control and auxiliary circuit: spring-loaded terminal, frame size: S3, suitable for PLC outputs, with terminal block type E