Circuit breaker 3VA2 IEC Frame 1000 Switching capacity class M Icu=55 kA @ 415 V 3-pole, system protection ETU860, LSIG, In=800 A Overload protection Ir=320 A...800 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% Ground fault protection, can be switched off Ig=0.2...1 x In, tg=0.05-0.8s Lug terminal 2 auxiliary switches HP