Power contactor, AC-3 17 A, 7.5 kW / 400 V 2 NO + 2 NC, 110 V AC, 50 Hz 3-pole, Size S0 Main circuit: Screw terminal Auxiliary current: Spring-type terminal + 2 auxiliary switch blocks (2 NO + 2 NC) !!! Phased-out product !!! Successor is SIRIUS 3RT2