Автоматический выключатель 3VA2 IEC Frame 630 Switching capacity class M Icu=55 kA @ 415 V 4-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..15x In N-conductor protectio