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circuit breaker 3VA2 IEC Frame 1250 breaking capacity class M |
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circuit breaker 3VA2 IEC Frame 1250 breaking capacity class M Icu=55 kA @ 415 V 3-pole, line protection ETU350, LSI, In=1250 A overload protection Ir=500 A ...1250 A short-circuit protection Isd=1.5... 10 x Ir, Ii=10 x In bus connectors broadened shunt trip left 208-277 V AC 50/60 Hz 2 auxiliary switches HQ 1 trip alarm switch HQ