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The HV circuit breakers (LF, SF, Evolis, HVX, EasyPact EXE) meet the following standards :
IEC 62271-100 :
High-voltage switchgear and controlgear - alternating-current circuit-breakers
IEC 62271-1 :
High-voltage switchgear and controlgear - common specifications for alternating current switchgear and controlgear