HEAVY DUTY TYPE; 22.94 INCH W X 8.34 INCH D X 53.19 INCH H SIZE; 3 WIRE(S); UL 98, CSA APPROVAL; NEMA 3R ENCLOSURE; 600 AMPERE CURRENT RATING; 75 HP AT 240 VAC 3-PHASE (NEC STANDARD), 200 HP AT 240 VAC 3-PHASE (TIME DELAY), 50 HP AT 250 VDC POWER RATING