Lightning Protection Electric Cearmic Zinc Oxide ZnO Surge Arrester With Insulating Bracket
Porcelain Surge Arrester for 35~220kv alternating system
Main features:
- It adopts double sealing structure, the core encapsulates by molded silicone rubber which completely solves the sealing problem of porcelain housed products.
- It has a two-way pressure release structure.
- Its core component ZnO varistor has good pressure ratio, consistency, large flow capacity and high reliability.
- E creepage distance of porcelain housed products is wide which is suitable for IV level heavy pollution areas.
Data Sheet:
- Rated voltage: 51KV
- Maximum system voltage: 52KV
- Continuous operating voltage: 40.8KV
- Height b: 1100mm
- Gross weight: 70Kg
- Lightning impulse withstand: 250KV
- Power frequency voltage withstand(dry/wet): 120/100KV
Mximum System voltage Kv Um |
Rated voltage KV |
Continuous operating voltage KV |
1/5μs residual steep impulse current KV |
8/20μs residual voltage of lightning impulse current |
30/60μs residual voltage impulse current KV |
Line discharge level |
2ms long durationg current A |
4/10μs high current impulse KA |
IEC |
ANSI |
10KA |
20KA |
5KA |
10KA |
0.5KA |
1KA |
2KA |
52 |
72.5 |
51 |
40.8 |
139.5 |
151.5 |
128 |
139 |
|
|
|
1 |
400 |
100 |
136 |
149 |
125 |
136.7 |
107 |
111 |
115 |
1 |
600 |
100 |
|
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