Circuit breaker VL800N Standard switching capacity Icu=55 kA, 415V AC 4-pole, system protection Overcurrent release ETU22, LSIG In=800 A, Rated current Ir=320...800 A, Overload protection, ISD=1.5 to 7 xIr, II=8 xIn Short-circuit protection N protected without auxiliary release without auxiliary/alarm switch