circuit breaker 3VA2 IEC frame 250 breaking capacity class M Icu=55kA @ 415V 4-pole, line protection ETU850, LSI, In=250A overload protection Ir=100A...250A short-circuit protection Isd=0.6..10x In, Ii=1.5..10x In N conductor protection adjustable (OFF, up to 100%) nut keeper kit undervoltage release (UVR) 208-230V AC 50/60Hz 1 auxiliary switch HQ 1 trip alarm switch HQ 1 electrical alarm switch
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