circuit breaker VL1200 UL; type NG (cat no. LNX3W100) non-interchangeable frame, with circuit breaker approval acc. to UL 489 very high breaking capacity 3-pole, NEMA rating 100kA/480V, (molded case circuit breaker) trip unit ETU, LIG TA=40°C 3 phases/4 lines In=1000A, rated current II=1.25 to 11 xIn, short-circuit protection IR=400-1000A overcurrent rel. for line protection without connection accessories without auxiliary release without auxiliary/alarm switch