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 3 Starter Type Manual Height 6 in Width 3 in Depth 4 in HP @ 115VDC 2 hp HP @ 3 Phase - 200V 3 hp HP @ 3 Phase - 230V 3 hp HP @ 3 Phase - 460-575V 5 hp Standards UL/CSA