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China, Chinese porcelain Line Post Insulator 57series 57-21 Industrial Products Supplier Manufacturer Details, price list catalog:
China Products Details Supplier Manufacturer price list catalog
Other Tools Hardware57-2High Voltage
Qingdao Powtech Electronics Co., Ltd.
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Product Description ANSI57 Series Line Post Type Porcelain Insulator 57-2Technical Parameters:ANSI Class57-157-257-357-457-5Creepage distance,mm35655973710151145Dry arching distance165241311368438Cantilever Strength,Kn12.512.512.512.512.5Lower FrequencyFlashover VoltageDry,kv80110125150175Wet,kv6085100125150Critical ImpulseFlashover VoltagePos.,kv130180210255290Neg.,kv155205260340380RIV DataTest volt. To ground,kv1522304444Max RIV at 1000 KHz,Uv100100200200200Type No. :ANSI57 seriesName: Line post type porcelain insulatorColor:Brown,grey gloze etc
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