Circuit breaker VL630N Standard switching capacity Icu=55 kA, 415V AC 4-pole, system protection Overcurrent release TM, LI In=400 A, Rated current Ir=315...400 A, Overload protection, II=2000...4000 A, Short-circuit protection N unprotected without auxiliary release Auxiliary switch mounting kit 4 AUX (2 NO + 2 NC)