circuit breaker 3VA1 IEC Frame 400 breaking capacity class H Icu=70 kA @ 415 V 4-pole, line protection TM220, ATFM, In=400 A overload protection Ir=280 A...400 A short-circuit protection Ii=10 x In N conductor unprotected nut keeper kit
circuit breaker 3VA1 IEC Frame 400 breaking capacity class H Icu=70 kA @ 415 V 4-pole, line protection TM220, ATFM, In=400 A overload protection Ir=280 A...400 A short-circuit protection Ii=10 x In N conductor unprotected nut keeper kit
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