circuit breaker VL400 UL; type JG (cat no. LJX3R250) 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) Electronic Trip Unit ETU, LI TA=40°C In=250A, rated current II=1.25 to 11 xIn, short-circuit protection IR=70-250A Electronic Trip Unit for line protection without connection accessories without auxiliary release without auxiliary/alarm switch