The GN27 series indoor high-voltage disconnect switch is designed for locking voltages in a three-phase electrical system with a voltage rating of 35kV and an AC frequency of 50Hz . It is used for connecting and switching circuits under loaded conditions.
This product is equipped with the CS6-2 manual operating mechanism.When equipped with grounding,it is paired with the CS6-1 manual operating mechanism.
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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|
GN27-35/ 400-12.5 |
GN27-35/ 630-20 |
GN27-35/ 1200-31.5 |
GN27-35/ 1250-31.5 |
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|
GN27-35D/ 400-12.5 |
GN27-35D/ 630-20 |
GN27-35/ D1200-31.5 |
GN27-35D/ 1250-31.5 |
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|
Rated voltage(KV) |
40.5 |
||||
|
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 |
||||
|
Dynamic stability current(KA) |
31.5 |
50 |
80 |
||
|
Rated insulation level |
Lightning impulse voltage(KV) |
Interphase,Ground118,Fracture215 |
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|
1min power frequency voltage(KV) |
Interphase,Ground95,Fracture112 |
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