Wenzhou Yika 27KV Metal Oxide Arresters Electrical Composite Surge Arrestor Lightning Arrester Manufacturer
Normal operating conditions for Surge Arrester :
1. The ambient air temperature is no higher than +40°C, no lower than -40 °C .
2. The altitude above sea level does not exceed 1000m. ( the plateau area should be indicated when order.)
3. AC system frequency is 50Hz or 60Hz.
4. Power frequency voltage brought to bear on arrester for a long time does not exceed the continuous operation voltage of the arrester.
5. Maximum wind speed does not exceed 35m/s.
6. Te earthquake intensity does not exceed 7 degrees.
7. The pollution area should be indicated.
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Gapless Arrester Electrical Parameter |
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|
Type |
Rated Voltage |
MCOV |
Max.Residual Viltage |
2ms square wave impulse withstand current |
High current impulse withstand 4/10μs |
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|
Steep current impuise1/4μS |
Switching current lmpulse30/60μs |
Nominal current lmpulse 8/20μs |
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|
kV |
kV |
kV |
kV |
kV |
A |
kA |
|
| YH5W-27 | 27 | 22 | 92 | 69.8 | 81 | 100 | 65 |
| YH10W-27 | 27 | 22 | 84 | 69.3 | 81 | 250 | 100 |
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