Автоматический выключатель 3VA2 IEC Frame 400 Switching capacity class C Icu=110 kA @ 415 V 3-pole, system protection ETU860, LSIG, In=400 A Overload protection Ir=160 A...400 A short-circuit protection Isd=0.6..10x In, Ii=1.5..10x In N-conductor protecti