ABB 1SBL161001R8401 3 Pole AC operated contactor with screw terminals. The A12-30-01 contactor is mainly used for controlling 3 Phase motors and generally for controlling power circuits up to 690V AC. The contactors can also be used for many other applications such as isolation, capacitor switching, lighting. The A series 1-stack 3 Pole contactor is of the block type design. Main poles and auxiliary contact blocks, 3 NO main poles, 1 NC built-in auxiliary contact, front and side-mounted add-on auxiliary contact blocks. Control circuit is AC operated with laminated magnet circuit.