HEAVY DUTY SAFETY SWITCH, HEAVY DUTY; 480 V STAR/277 V, 480/600 V AC VOLTAGE; 250 V DC VOLTAGE; 100 AMPERE; POWER RATING 25 HP AT 480 VAC 3 PHASE, 30 HP AT 600 VAC 3 PHASE (NEC); 60 HP AT 480 VAC 3 PHASE, 70 HP AT 600 VAC 3 PHASE