circuit breaker VL150 UL type DG (cat no. NDK3T060) non-interchangeable frame, with circuit breaker approval acc. to UL 489 standard breaking capacity 3-pole; NEMA rating 35KA@480V and 18KA@600/347V (molded case circuit breaker) Electronic Trip Unit ETU, LSI TA=40°C In=60A, rated current ISD=1.5-10xIR, II=11xIN short-circuit protection Ir=30-60A Electronic Trip Unit for line protection without connection accessories without auxiliary/alarm switch