Motor Starter Amps AC 20 A Max Voltage 600V AC Enclosure NEMA Rating 7 9 Hub Style Feed-Thru Hub Size 1/2 in Description/Special Features (2) 1/2 in Hubs on Opposing Ends No of Thermal Units Required None Number of Poles 2 Starter Type Manual Height 6 in Width 3 Depth 4 in HP @ 1 Phase - 115V 2 hp HP @ 1 Phase - 230V 2 hp Standards UL/CSA