1.HV&MV Switchgear GN30 Type 10kv 11kv Indoor 630A Electrical Disconnector 11kv Disconnector
Gn30-12d switch is based on gn30-12 switch to add the ground knife form, can meet the needs of different power systems. This product has compact design, small footprint, strong insulation ability, easy installation and adjustment. Its performance meets the requirements of GBI 895-89 AC high voltage isolator and ground switch. Suitable for rated voltage 10kV AC 50Hz and below indoor system. Can be used in voltage, no-load condition of the opening and closing circuit. It can be used with high voltage switchgear, or can be used alone.
2.Product Technical Specifications
Product Model
& Spec.
Item | GN30-12/400-12.5 | GN30-12/630-20 | GN30-12/1000- 31.5 | GN30-12/1250- 31.5 |
GN30-
12D/400-12.5 | GN30-12D/630-20 | 12D/1000-31.5 GN30- | 12D/1250-31.5 GN30- |
| Rated voltage (kV) | 12 |
| Rated current (A) | 400 | 630 | 1000 | 1250 |
4S rated short-time withstand current
(kA) | 12.5 | 20 | 31.5 |
| Rated peak withstand current (kV) | 31.5 | 50 | 80 |
Rated
insulation
level | Power frequency
withstand voltage for 1
minute (kV) | Phase-phase voltage, voltage to ground:42; Break voltage:48 |
Lightning impulse
voltage (kV) | Phase-phase voltage, voltage to ground:75; Break voltage:85 |
3.Outline and installation dimensions
4.Working environment conditions
1,Ambient temperature: Upper limit: +40°C; Lower limit: -15°C;
2,The altitude does not exceed 1000m.
3,For relative air humidity, the daily mean is not greater than 95%, and the monthly mean is not greater than 90%;
4,The earthquake intensity does not exceed 8 degrees.
5,Installed in places free of fire, explosive risk, chemical corrosion, and violent vibration.
6,The installation site shall be free of flammable substance, explosive risk, chemical corrosion and violent vibration.
Please contact the manufacturer for customizing those failed to follow the normal working conditions.
5. FAQ
1. All our activities are accredited to ISO 14001:2015 and IEC standard.
2. Technology ensure the quality satisfy international request.
3．Generally we promise one - two years quality guarantee, some products will be extended longer time for life span.
4. For tender cooperation, it is welcome to discuss the detail in between.
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