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|
Rated voltage (KV) |
Rated mechanical tension load (KN) |
Structure height (mm) |
Insulating |
Min nominal creepage distanc e(mm) |
Diameter |
1min power frequency wet withstand voltage (kv) |
Full wave lightning impulse withstand voltage (peak value) |
| 66 | 70 | 890±15 | 704 | 2240 | 139/109 | 185 | 410 |
1).Silicon Rubber for sheds/housing.
2).Glass-fiber reinforced epoxy resin rod (ECR type) for core.
3).Hot dip galvanized cast steel for metal fittings.
4).5000hours aging test from STRI Sweden & Prototype Test & Type Test & Factory Test ( Routine and Sampling Test ).
5).IEC / ANSI / GB standard.
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