circuit breaker VL1600 UL type PG (cat no. NPX3G120) non-interchangeable frame, with circuit breaker approval acc. to UL 489 standard breaking capacity 3-pole; NEMA rating 35kA/480V and 25kA/600V (molded case circuit breaker) trip unit LCD ETU, LSIG TA=40°C 3 phases/4 lines In=1200A, rated current ISD=1.25-10xIR, II=10xIN short-circuit protection IR=400-1200A overcurrent rel. for line protection without auxiliary release without auxiliary/alarm switch