Circuit breaker VL400N Standard switching capacity Icu=55 kA, 415V AC 4-pole, system protection Overcurrent release TM, LI In=315 A, Rated current Ir=250...315 A, Overload protection, II=1575...3150 A, Short-circuit protection N unprotected Undervoltage release 380...415 V AC Auxiliary switch mounting kit 2 AUX (1 NO + 1 NC)