2-speed 3-phase motor starter, One winding, Size 1, Constant horsepower, Solid-state overload relays, Low Spd OLR range 0.75 3.4A, High Spd OLR range 5.5-22A, 110V 50Hz / 120V 60Hz coil, Combination type, 30A disconnect switch, Enclosure NEMA type 1, Indoor general purpose use