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circuit breaker 3VA2 IEC frame 250 breaking capacity class M Icu=55kA @ 415V 3-pole, line protection ETU320, LI, In=160A overload protection Ir=63A...160A short-circuit protection Ii=1.5...12 x In nut keeper kit shunt trip (STL) 110-127V DC, AC 50/60Hz
