DISCONTINUED BY MANUFACTURER, MOLDED CASE CIRCUIT BREAKER, 3 POLE, 250 AMP, 440 VAC, 50/60 HZ, 25 KA, 1500-2500 AMP DELAYED, 200-250 AMP OVERLOAD RANGE, 380-630 AMP TRIP RATING, NZM2 FRAME, FIXED THERMAL / ADJUSTABLE MAGNETIC, FRONT SCREW CONNECTION, IP20