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Pomanique Electric Co.,Ltd
[China]
30KV 10KA High Voltage Distribution Type of Metal Oxide Lightning Protecting polymer lightning arrester/surge arrester
The zinc oxide surge arrester is the most advanced over-voltage protector in the world. Due to make the resistor disc of core component mainly adopt zinc oxide arrester. Compared with the conventional siliconcarbide arrester, this prescription of the product improves greatly the volt-ampere characteristics of the resistor disc and increase through-current capability at over-voltage so as to bring a rad local-changes for the characteristics of the arresters.
Technical date
| Rated Voltage Ur,KV | 9 | 12 | 15 | 21 | 24 | 36 |
| MCOV,KV | 7.75 | 10.2 | 12.5 | 17.0 | 20.0 | 30.0 |
| Nominal current In | 10KA | |||||
| Current Withstand Capacity 4/10μs | 100KA | |||||
| Current Withstand Capacity 2ms | 250A | |||||
| Residual Voltage With 8/20μs current impulse (KV) | 27 | 36 | 45KV | 63 | 72 | 108 |
| Residual Voltage With 30/60μs current impulse (KV) | 24 | 32 | 40KV | 56 | 64 | 96 |
| Power Frequency Withstand Voltage (Wet) (KV) | 25 | 35 | 35KV | 55 | 65 | 185 |
| Max.Energy Discharge Capability KJ/KV-UC | 2.8 Class1(IEC 60099-4) | |||||
| Creepage Distance(mm) | 450 | 550 | 550 | 750 | 850 | 1160 |
| Length(mm) | 260 | 290 | 290 | 350 | 381 | 470 |
| Arc Distance(mm) | 150 | 180 | 180 | 240 | 271 | 360 |
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