circuit breaker VL150 UL type DG (cat no. HDK3B080) non-interchangeable frame, with circuit breaker approval acc. to UL 489 high breaking capacity 3-pole; NEMA rating 65KA@480V and 18KA@600/347V (molded case circuit breaker) Electronic Trip Unit TM, LI TA=40°C In=80A, rated current II=450...800A short-circuit protection Ir=80A Electronic Trip Unit for line protection without connection accessories without auxiliary release without auxiliary/alarm switch