circuit breaker VL150X UL, type CG (cat no. NCX3B150) 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 TM, LI function TA=40°C In=<150A rated current II=1500A short-circuit protection Ir=150A Electronic Trip Unit for line protection without connection accessories without auxiliary release without auxiliary/alarm switch