Power contactor, AC-3 40 A, 18.5 kW / 400 V 230 V AC, 50 Hz, 3-pole, Size S2, Main circuit: Screw terminal Auxiliary circuit: Spring-type terminal Upright mounting position !!! Phased-out product !!! Successor is SIRIUS 3RT2 Simple, efficient and always up to date - SIRIUS modular system