Outdoor porcelain insulator pillar needle

The use of standard: GB 8287.1 ~ 2


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I. Overview


Outdoor ceramic insulators for the pillars of needle-frequency AC voltage outdoor 6 ~ 10kV substation and distribution equipment and electrical equipment for the live part of the insulation and support, and more as the GW-6 ~ 10kV isolation touch switch the first pieces of insulation and support.

Pieces of porcelain insulators by the needle and the upper and lower metal Annex loaded with glue from glue. Annex porcelain pieces of plastic and metal parts loaded contact pad flexible pad, ceramic pieces of plastic parts installed or Trench Knurling structure in order to ensure mechanical strength to prevent the loosening and reverse. In general painted porcelain surface brown glaze, metallic gray enamel surface annex.

 

Model Description

ZP-needle pillar of porcelain insulators, followed by the letters A, B, D, said mechanical damage to the load, respectively 3.75,5.0,20 KN, dash behind the figures for the rated voltage (kV).

 

Second, the size and characteristics of