Line post insulator 57-21 is horizontal line post insulator with stud base end fitting. This insulator is for flat surface mounting and for jumper loop control, downleads and similar applications.

Line post insulator 57-21 applications and properties:
This porcelain line post insulator has a mounting base designed for attachment to pole gains or brackets for mounting on concrete or steel poles and steel structures.
These insulators are recommended primarily for flat surface mounting and for jumper loop control, downleads and similar applications.
As good as ngk porcelain line post insulator
Standard for these insulators, with chocolate glaze available

We Orient Power, established in the year 1978, are one of the leading manufacturer, trader and exporter of Porcelain Insulators, especially for Line post insulator 57-21. Electricity has become an integral part of human life and it plays an even more significant role in our day to day life. Supply Line post insulator 57-21 products and make sure the safety of operation is our duty.

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