Автоматический выключатель 3VA2 IEC frame 250 breaking capacity class M Icu=55kA @ 415 V 4pole, line protection ETU320, li, In=250A overload protection ir=100A ...250A short circuit protection iI=1,5...10 x In neutral protection adjustable(off,50%, 100%) busbar connection undervoltage release 24 V DC 4 Auxiliary switch HQ
