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circuit breaker 3VA2 IEC frame 630 breaking capacity class M Icu=55kA @ 415V 3-pole, line protection ETU350, LSI, In=630A overload protection Ir=250A...630A short-circuit protection Isd=1.5...9 x Ir, Ii=9 x In nut keeper kit shunt trip (STL) 220-250V DC,
