disconnector (isolator) , Indoor disconnector (isolator) GN24-12KV
Product feature
- Scientific design and innovative structure.
- Contacting points distribute on two planes, small operating moment, and release pressure to small and easy adjustment.
- Improved driving and conducting part.
- Column moving contact that can decrease operating strength and ensure reliability of circuit conduction.
Service Conditions:
- Altitude: 1000m;
- Ambient temperature: -25 ~+40 ;
- Relative humidity: daily average 95 , monthly average 90 ;
- Earthquake intensity: 8 degree;
- Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.
Technical parameter
|
Item |
Model |
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|
GN24-12/ 400-12.5 |
GN24-12/ 630-20 |
GN24-12/ 1200-31.5 |
GN24-12/ 1250-31.5 |
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|
GN24-12D/ 400-12.5 |
GN24-12D/ 630-20 |
GN24-12/ D1200-31.5 |
GN24-12D/ 1250-31.5 |
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|
Rated voltage(KV) |
12 |
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|
Rated current(A) |
400 |
630 |
1000 |
1250 |
|
|
thermal stability current(KA) |
12.5 |
20 |
31.5 |
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|
Thermal stabilization time(S) |
4 |
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|
Dynamic stability current(KA) |
31.5 |
50 |
80 |
||
|
Rated insulation level |
Lightning impulse voltage(KV) |
Interphase,Ground75,Fracture85 |
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|
1min power frequency voltage(KV) |
Interphase,Ground42,Fracture48 |
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