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ANSI Std C37.20.1 (Metal-enclosed switchgear and controlgear)

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nr VoltageNormal currentShort-circuit currentFreq
uency
Closing mechanismMinimum opening timeArc exting-
uishing medium
Minimum clearing time Designation Owner Certificate number Cert. type Contents Remarks
# [kV] [A] [kA] [Hz]  [ms]  [ms]        Help Help