Circuit breaker VL250 UL Type FG (CAT NO. HFK3B150) non-interchangeable frame, with approval circuit breaker according to UL 489 High switching capacity 3-pole; NEMA rating 65 kA @ 480 V and 18 kA @ 600/347 V (molded case circuit breaker) Overcurrent release TM, LI TU=40 °C In=150 A, Rated current II=800...1600 A Short-circuit protection Ir=150 A overcurrent release for system protection without connection accessories without auxiliary release Auxiliary/alarm switch mounting kit 2 AUX (1 NO+1 NC)+1 AS (1 NO)