Indoor AC High Voltage other switches Electric Earthing Switch for grounding protection
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The JN15 series Indoor AC High Voltage Electric Earthing Switch is an innovative product designed for effective grounding protection in electrical systems. Its advanced design features a compact structure and reliable performance, ensuring safety and efficiency in indoor environments. This earthing switch meets the stringent requirements of GB1985-2004 and IEC 62271-102:2002 standards, making it suitable for 12/24kV three-phase AC 50 (60) Hz power systems. With the capability to handle short-circuit closing, it protects other electrical equipment within the switchgear, thereby enhancing the overall safety of high voltage electrical equipment maintenance.
Specifications
| Item | Unit | Data | ||
|---|---|---|---|---|
| Rated voltage | KV | 12/24 | ||
| Rated short-time withstand current | KA | 31.5 | ||
| Rated short-circuit making current | KA | 80 | ||
| Rated peak withstand current | KA | 80 | ||
| Rated short-circuit duration | S | 4 | ||
| Rated insulation level | Working withstand voltage (1min) | KV | Phase to ground and phase to phase | 6.5 |
| Lightning impulse withstand voltage | 125 | |||
| Mechanical life | times | 2000 |
Additional Information
- Altitude must not exceed 1000 meters.
- Ambient air temperature: Upper limit +40℃; Lower limit -25℃.
- Earthquake intensity should not exceed 8 degrees.
- Daily average relative humidity: not more than 95%; Monthly average: not more than 90%.
- Pollution level: Level II.
- Custom designs and specifications are available upon user request.
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