Glazed Lightning Arrester Insulator 66kV surge arrester
Description:
1. Our insulators have externally attached caps and bases. A highly engineered cementing system transfers the load uniformly from the hardware into the porcelain body.
2. Each insulator body is made from the highest quality clay raw materials that have been processed to be fully vitrified porcelain. The body is glazed to add strength to improve surface appearance, and enhance clean-ability.
3. Either chocolate brown or Munsell gray glaze is available. caps and flanges are ferrous, hot dip galvanized. thread holes are proper tapped.
Specifications:
| 8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV) | 178 |
| Residual voltage of switching impulse current kV (peak value)----at 1kA (kV) | 137 |
| 1mA D.C reference voltage (kV) | 96 |
| Line discharge level | 1 |
| 2mS long duration impulse current A | 400 |
| 4/10µS High current impulse kA | 100 |
| Lightning impulse withstand kV | 325 |
| Power frequency voltage withstand(dry/wet)kV | 140 |
| 0.1S TOV--------------kV | 79.2 |
| 1S TOV----------------kV | 75.9 |
| 10S TOV---------------kV | 72.6 |
| 1200S TOV-------------kV | 66 |
| Creepage distance ----mm | 2500 |
| Material employed in series non-linear resistor | Zinc Oxide |
Technical requirements:
1. Glaze: Brown
2. Creepage distance: 4250mm Length: 1700mm
3. Weight: 88.0kgs
4. Flange material: Aluminum alloy or stainless steel
4. Package type: Wooden case
Application:
Ceramic pillar insulators are used for insulation and support of live parts in outdoor power plants, distribution devices and electrical equipment of power frequency AC substations.
Competitive advantages:
Reasonable insulation structure high reliability of inter-turn insulation.
Small volume light weight
Stainless steel flange low magnetic inductivity high resistivity.
Convenient transportation and flexible installation.
Low loss
Low temperature rise
High mechanical strength, strong weather ability.
Outstanding crack resistance.
Low thermal expansion coefficient
Our products are sold all over the world, you can rest assured.
