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9kV Polymeric Gapless Lightning Arrester with KEMA
Description:
YongDe Surge Arresters can be applied to a variety of systems including substation equipment, AC-DC converters, railway power system and power distribution units ranging from 0.25kV to 765kV systems. These surge arresters demonstrate excellent protection properties. YongDe 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.
Features:
1. Compact and Lightweight
2. Extremely Safe Pressure Relief Performance
3. Superior Performance against Environmental Contamination
4. Directly Molded Structure
5. Compliance with International Standards(IEC60099-4)
6. Simple Support Structure
7. Manufactured at Advanced ISO-9001 certified facilities
Applications:
1. Distribution networks
2. Transmission line
3. Substation
4. Railway power station
5. Alternator and electromotor
Specifications:
| Type | YH5W5-9/24 | |
| Rated voltage---------kV | 9 | |
| MOCV ----------------kV | 7.65 | |
| Nominal Current-------kV | 5 | |
| Residual voltage of steep impulse----at 5kA(kV) | 26.5 | |
| 8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV) | 24 | |
| Residual voltage of switching impulse current kV (peak value)----at 1kA (kV) | / | |
| 1mA D.C reference voltage (kV) | 12.7 | |
| Line discharge level | 1 | |
| 2mS long duration impulse current A | 250 | |
| 4/10µS High current impulse kA | 65 | |
| Lightning impulse withstand kV | 75 | |
| Power frequency voltage withstand(dry/wet)kV | 28 | |
| 0.1S TOV--------------kV | 10.8 | |
| 1S TOV----------------kV | 10.35 | |
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