circuit breaker VL400 UL type JG (cat no. HJX3K250) non-interchangeable frame, with circuit breaker approval acc. to UL 489 high breaking capacity 3-pole; NEMA rating 65kA/480V and 25kA/600V (molded case circuit breaker) Electronic Trip Unit LCD ETU, LSIG-G with alarm TA=40°C 3 phases/4 lines In=250A, rated current ISD=1.25-10xIR, II=11X in short-circuit protection IR=70-250A Electronic Trip Unit for line protection without auxiliary release without auxiliary/alarm switch