Автоматический выключатель 3VA2 IEC Frame 400 Switching capacity class M Icu=55 kA @ 415 V 3-pole, system protection ETU850, LSI, In=250 A Overload protection Ir=100 A. ..250 A short-circuit protection Isd=0.6..10x In, Ii=1.5..12x In N-conductor protection optionally with external current transformer, up to 160% Lug terminal 4 auxiliary switches HQ