Schneider 3P Contactor 9A AC3 4KW 1NC 48VAC CoilThree pole contactor for motorized applications up to 2. 2 kW at 220 230 V AC 50 60 Hz AC 3. Switch on and off during 20 years electrical power supply of a downstream installation with an electrical and or mechanical control. The functional unit is characterized by a type instantaneous 1 NC, a control circuit voltage 48 V AC 50 60 Hz a power circuit voltage 690 V and a maximum allowed intensity by the power circuit 20 A (at <50 C) at <= 440 V AC AC 1.