circuit breaker VL400 UL; type JG (cat no. HJX3V400) non-interchangeable frame, with circuit breaker approval acc. to UL 489 high breaking capacity 3-pole, NEMA rating 65kA/480V, (molded case circuit breaker) Electronic Trip Unit ETU, LSIG TA=40°C 3 phases/4 lines In=400A, rated current ISD=1.5 to 10xIR, II=11X in short-circuit protection IR=200-400A ETU for line protection without connection accessories without auxiliary release without auxiliary/alarm switch