circuit breaker VL1200 UL; type NG (cat no. NNX3R100) non-interchangeable frame, with circuit breaker approval acc. to UL 489 standard breaking capacity 3-pole, NEMA rating 35kA/480V, (molded case circuit breaker) trip unit ETU, LI TA=40°C In=1000A, rated current II=1.25 to 11xIN, short-circuit protection IR=400-1000A overcurrent rel. for line protection without connection accessories without auxiliary release without auxiliary/alarm switch