ACROSS THE LINE, NON REVERSING TYPE; UL 508, CSA C22.2, CE APPROVAL; DIN RAIL MOUNTING; IP20 ENCLOSURE; 400 AMPERE (AC-1, UL), 302 AMPERE (AC-3, UL) CURRENT RATING; 3 POLE(S); 480 VAC AT 60 HZ COIL VOLTAGE; 1NO-1NC AUXILIARY CONTACT; 100 HP AT 208/240 VAC, 250 HP AT 480 VAC, 300 HP AT 575/600 VAC 3 PHASE POWER RATING/VOLTAGE; WITH 3NO POWER POLE; SIZE 5.51 INCH W X 7.11 INCH D X 11.92 INCH H; A300 MODEL