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circuit breaker 3VA2 IEC frame 630 breaking capacity class M Icu=55kA @ 415V 3-pole, line protection ETU560, LSIG, In=630A overload protection Ir=250A...630A short-circuit protection Isd=0.6..9 x In, Ii=1.5..9 x In N conductor protection, opt. w. ext. cu
