LIGHT GRAY ANSI Standard 57-3 with short stud 12.5kN line Post Insulators

Descriptions:

We are specialized in manufacturing and exporting various kinds of line post porcelain insulators.  Porcelain insulators are the traditional choice for distribution and transmission line, busbar and apparatus insulation.

MAIN DIMENSIONS AND STANDARD PARTICULARS

1. Creepage distance                                     737mm

2. Cantilever strength                                    12.5kN

3. Low frequency flashover voltage

    Dry                                                            125kV

    Wet                                                            95kV

4. Critical impulse flashover voltage

    Positive                                                     200kV

    Negtive                                                     260kV

5. Radio influence voltage

   Test voltage to ground                               30kV

   Max. RIV at 1000Hz                                   200μV

Application:

ANSI 57-3S Line post insulators are designed to provide rigid support of conducting cable while offering the maximum resistance to damage from electrical or mechanical events.

Features:

1. High strength

2. Factory price and prompt delivery

3. High voltage application

4. Material: Wet process porcelain

5. We offer 2years quality guarantee to our old and new customers.

Pre-sales service:

Choose the proper reactor type

Installation recommendations and to provide technical information

Satisfied users of the special design requirements

After-sales service:

Offer professional equipment installation instructing

Provide spare parts for wearing parts(such as post insulator, bolt, etc.)