220KV Composite Insulator

220KV Composite Insulator

220kv composite insulator includes insulating core, insulating housing & weather sheds and terminal assembly parts....

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220kv composite insulator includes insulating core, insulating housing & weather sheds and terminal assembly parts.


Rated voltage

(KV)

Rated mechanical tension load(KN)

Structure height

(mm)

H

Min nominal creepage distance(mm)

1min power frequency wet withstand voltage (kv)

Full wave lightning impulse withstand voltage(peak value)

Min.

Electric arc distance

(mm)

h

220

160

2240±30

6300

395

1000

1950


Introduce of 220kv composite insulator

1.End fitting is made of special steel. With labyrinth design at the terminal, the sealing performance is excellent under multi-layer protection.

2.The end fitting is connected with core under the most advanced computer controlled coaxial constant pressure crimping process.

3.The housing & weather sheds adopts the one-time integral molding process under high temperature and high pressure.


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