Circuit breaker VL1200 UL; Type NG (CAT NO. NNX3B100) non-interchangeable frame, with approval circuit breaker according to UL 489 Standard switching capacity 3-pole, NEMA rating 35 kA/480 V, (molded case circuit breaker) Overcurrent release TM, LI TU=40 °C In=< 1000 A, Rated current II=6000...10000 A Short-circuit protection Ir=1000 A overcurrent release for system protection without connection accessories without auxiliary release without auxiliary/alarm switch