20kN ANSI 53-4 Porcelain Spool for Transmission line
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ANSI standard 53-2 Porcelain Spool Insulators in white color Description: ANSI CLASS Mechanical failing load(kN) Dry power frequency flashover voltage (kV) Wet power frequency flashover voltage Height (mm) Weight(kg) Vertical (kV) Horizontal (kV) 53-4 20 ......
Changsha Power Electric Co.,Ltd.
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