The ABB TH3223 100A 2Pole 3Wire 120/240VAC fusible NEMA 1 safety switch disconnect is a sensor/switch from ABB. It detects a change in state, position, or presence and relays that information to a controller or operator interface. Key specifications noted on this listing include 240VAC, 100A, 2Pole. It is commonly in factory automation and machine control retrofits.
