| Customization: | Available |
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| Type: | High-voltage |
| Structure: | Double-column Disconnector |
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GN30-12(D) series Indoor high voltage disconnecting switches is a new type of touch rotating knife isolator , which special designed for XGN2-12 HV switchgear, with rated voltage 12kV and three phase AC 50Hz indoor device. It's mainly used for making and breaking circuit under with voltage and no load.
Its main structure in three-phase chassis of the upper and lower two plane, fixed two set of insulator and contact, by rotating contactor, so as to realize switching on & off.Technical Data
| Model | GN30-12/ 400-12.5 |
GN30-12/ 630-20 |
GN30-12/ 1000-31.5 |
GN30-12/ 1250-31.5 |
GN30-12/ (1600-3150)-40 |
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| GN30-12D/ 400-12.5 |
GN30-12D/ 630-20 |
GN30-12D/ 1000-31.5 |
GN30-12D/ 1250-31.5 |
GN30-12D/ (1600-3150)-40 |
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| Rated voltage (kV) | 12 | |||||
| Rated current (A) | 400 | 630 | 1000 | 1250 | 1600-3150 | |
| Rated short-time withstand current (kA) | 12.5 | 20 | 31.5 | 40 | ||
| Rated short-circuit duration (s) | 4 | |||||
| Rated peak withstand current (kA) | 31.5 | 50 | 80 | 100 | ||
| Rated insulating level | 1min. PF withstand voltage (kV) | phase to phase/ to earth: 42, across open contacts: 49 | ||||
| Lightning impulse withstand voltage (kV) | phase to phase/ to earth: 75, across open contacts: 85 | |||||
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