| Customization: | Available |
|---|---|
| Type: | Power Source Arrester |
| Structure: | Zinc Oxide Arrester |
|
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Feature:
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.
Normal service conditions:
1.The ambient temperature: -40°C ~+40°C
2.The altitude above sea level :not exceed 1000-2000m (the altiplano area should be indicated when order)
3.Earthquake intensity: not higher than 7 degrees;
4.Maximum wind velocity :less than 35m/s.
5.The filthy area should be given clear indication.
|
Description |
Unit |
Value |
|
Rated voltage |
KV |
48 |
|
Nominal discharge current |
KA |
10 |
|
Rated AC system frequency |
Hz |
50 / 60 |
|
Continuous operating voltage(rms) |
KV |
39 |
|
1/4μs steep current impulse (crest) |
KV |
148 |
|
8/20us Lighting impulse residual voltage(crest) |
KV |
130 |
|
30/60us Swithcing current impulse |
KV |
112 |
|
Rectangular current withstand 2ms |
A |
500 |
|
4/10us High current impulse withstand(crest) |
KA |
100 |
|
Leakage/Creepage Distance |
mm |
1336 |
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