Product description Power contactor, AC-3e/AC-3, 51 A, 22 kW / 400 V, 3 poles, 24 V DC, 0.8-1.2* US, with integrated varistor, auxiliary contacts: 1 NO Contact+ 1 NC contact, screw terminal, size: S2, suitable for PLC output Product family 3RT20 SIRIUS contactors, 3-pole, up to 37 kW Product Lifecycle (PLM) PM300: Active Products