HEAVY DUTY TYPE; 9.38 INCH W X 5 INCH D X 17.59 INCH H SIZE; 3 WIRE(S); UL 98, CSA APPROVAL; NEMA 1 ENCLOSURE; 60 AMPERE CURRENT RATING; 50 HP AT 480 VAC 3-PHASE, 60 HP AT 600 VAC 3-PHASE (NEC STANDARD), 5 HP AT 125 VDC, 10 HP AT 250 VDC POWER RATING