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circuit breaker equipment IEC 62271

circuit breaker equipment IEC 62271

Jul 24, 2020This part of IEC 62271 is applicable to a c. circuit-breakers designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and 60 Hz on systems having voltagesabove 1000V. It is only applicable to three-pole circuit-breakers for use in three-phase systems and single-pole circuit-breakers …IEC/IEEE 62271-37-013:2015 | IEC Webstore

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