Motor Starter Amps AC 20 A Max Voltage 600V AC Enclosure NEMA Rating 3R 7 9 Hub Style Feed-Thru Hub Size 3/4 in Number of Gangs 1 Description/Special Features (2) 3/4 in Hubs on Opposing Ends No of Thermal Units Required None Number of Poles 2 Height 4 in Width 3.6875 in Depth 5.344 in HP @ 1 Phase - 230V 2 hp HP @ 115VDC 2 hp HP @ 3 Phase - 460-575V 3 hp Standards CSA UL