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Polymer Metal-oxide Transmission Line Surge Protector with Disconnecting
Low voltage;
Small Size;
Description:
Metal oxide surge arresters incorporate YNR elements (YongDe Non-linear Resistor ZnO Elements) with superior non-linear voltage-current characteristics, high quality and reliability. Metal oxide type surge arresters offer such special features inherent in the gap-less structure, such as a quick response to surge voltage, high energy dissipation capability, safe operation, compactness / lightweight and freedom from pollution.
Parameter chart:
| Type | YH10W5-10/27.6 |
| Rated voltage---------kV | 10 |
| MOCV ----------------kV | 8.4 |
| Nominal Current-------kV | 10 |
| Residual voltage of steep impulse----at 5kA(kV) | 30 |
| 8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV) | 27.6 |
| Residual voltage of switching impulse current kV (peak value)----at 1kA (kV) | 21.1 |
| 1mA D.C reference voltage (kV) | 14.2 |
| Line discharge level | 1 |
| 2mS long duration impulse current A | 400 |
| 4/10µS High current impulse kA | 100 |
| Lightning impulse withstand kV | 110 |
| Power frequency voltage withstand(dry/wet)kV | 28 |
| 0.1S TOV--------------kV | 12 |
| 1S TOV----------------kV | 11.5 |
| 10S TOV---------------kV | 11 |
| 1200S TOV-------------kV | 10 |
| Creepage distance ----mm | 434 |
| Material employed in series non-linear resistor | Zinc Oxide |
Polymer surge arrester production process:
1. Zinc oxide varistor with group
2. Core body tied, solidify
3. Degrease, coated with coupling agent
4. Core body preheating
5. Whole vulcanization molding
6. Visual inspection, secondary vulcanization
7. Factory inspection
8. Packing and warehousing