AC motor starting switch. 3-pole, 3-phase. Suitable as motor disconnect, toggle, industrial grade. Non grounding, back and side wiring. Leviton industrial grade. AC Manual motor starter switches provide safe, reliable control of a variety of motor loads. Typical applications include manual ON/OFF switching control of bottling lines, pumping machines, air compressors and other heavy manufacturing equipment. These motor controllers are available for both single phase and three phase applications. Leviton uses the finest materials available and the highest production standards to produce industrial switches of unmatched versatility and reliability.