Circuit breaker 3VA1 IEC Frame 400 breaking capacity class M Icu=55 kA @ 415 V 3-pole, line protection TM240, ATAM, In=400 A overload protection Ir=280 A…400 A short-circuit protection Ii=5…10 x In nut keeper kit circuit breaker 3VA1 IEC Frame 400 breaking capacity class M Icu=55 kA @ 415 V undervoltage release 208-230 V AC 50/60 Hz 2 auxiliary switches HP 1 trip alarm switch HQ
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