circuit breaker VL1200 UL type NG (cat no. HNX3A120) non-interchangeable frame, with circuit breaker approval acc. to UL 489 high breaking capacity 3-pole; NEMA rating 65kA/480V and 35kA/600V (molded case circuit breaker) trip unit LCD ETU, LI/LS/LSI TA=40°C In=1200A, rated current ISD=1.25-10xIR, II=10xIN short-circuit protection IR=400-1200A overcurrent rel. for line protection without auxiliary release without auxiliary/alarm switch