circuit breaker 3VA1 IEC Frame 630 breaking capacity class H Icu=70 kA @ 415 V 4-pole, line protection TM220, ATFM, In=630 A overload protection Ir=440 A...630 A short-circuit protection Ii=8 x In neutral conductor protection 100% nut keeper kit
circuit breaker 3VA1 IEC Frame 630 breaking capacity class H Icu=70 kA @ 415 V 4-pole, line protection TM220, ATFM, In=630 A overload protection Ir=440 A...630 A short-circuit protection Ii=8 x In neutral conductor protection 100% nut keeper kit
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