EATON CUTLER HAMMER WESTINGHOUSE JD3225, CUTLER HAMMER SERIES C MODEL MOLDED CASE CIRCUIT BREAKER, TYPE JD, 3 POLE 3 PHASE, 250 AMP MAX RATING, MAX VOLTS: 600VAC @ 50/60HZ. AIC RATING: 35KIAC@480V. WITH JT3225T 225A TRIP.