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220kv composite suspension type insulator

The 220kv composite suspension type insulator is a substitute for porcelain suspension insulator. It is a type of composite suspension type insulators. 220kv composite suspension type insulator mainly used in EHV transmission lines, plays an important role in the insulating and hanging on wires .

 composite suspension type insulator

Composite suspension insulator, also called silicone rubber suspension insulator polymer suspension insulator or polymer suspension insulator, consists of an insulating core-fiberglass rod,a HTV Silicone Rubber shed moulded and cast with end fittings by circumferential crimping process.

The characteristics of 220kv composite suspension type insulator:
Specified mechanical load: 120kN
Rated voltage: 220kv
Coupling size:16
Arcing distance:2250mm
Creepage distance: 7200mm
Lighting impulse withstand voltage:1000kv
Power frequency wet withstand voltage:395kv
The color of 220kv composite suspension type insulator: red and grey

220kv composite suspension type insulator generally application on high voltage transmission lines,it is very important for overhead line,if you want to know more about 220kv composite suspension type insulators, please contact with us.

 

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