Disconnecor for Surge Arrester 33kv
Disconnecor for Surge Arrester 33kv image
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Disconnector for Surge arrester (Lightning arrester),comply the IEC IEEE standard
No. | DETAIL | UNITS | DATA |
Type | 11kV gapless type metal oxide surge arrester – Distribution class |
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1. | Nominal system voltage | kV | 11 |
2. | Highest system voltage | kV | 12 |
3. | Basic Insulation Level (BIL) | kV | 95 |
3. Ratings and type of surge arrester |
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4. | Specification to which surge arrester complies | IEC 60099–4 |
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5. | Rated voltage of surge arrester | kV | 10 |
6. | Nominal, 8/20 µs, discharge current rating of surge arrester |
kA | 10 |
7. | Maximum continuous operating voltage of surge arrester |
kV | 7.3 |
8. | Gapless or gapped type metal–oxide surge arrester |
Gapless | |
9. | Material of insulation | High temperature vulcanised silicon rubber |
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10. | Rated frequency of surge arrester | Hz | 50 |
11. | Design altitude of surge arrester (above sea level) |
m | 1 400m |
12. | Design ambient temperature of surge arrester | oC | –1 to40 |
13. | Specific creepage distance of surge arrester | .mm/kV | 25 |
Automatic earth lead disconnectors requirements |
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14. | Automatic earth lead disconnectors to be fitted | Yes/No | YES |
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