| Customization: | Available |
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| Certification: | ISO9001 |
| Shell Material: | Steel Plate |
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Summary:
JN15-12/31.5 indoor AC high voltage earthing switch is an advanced level product with high-tech parameters performance improved on the basis of ES1 earthing switch. It conforms to GB1985 AC HV disconnect switch and earthing switch and IEC129, suitable for power systems of 3-12kV and three-phase AC 50(60)Hz. It has a short-circuit making capacity to protect other electric equipment and can be used with various high voltage switchgear for a protective role during high-voltage electrical equipment overhaul.
Ambient condition:
1. Altitude: ≤1000m
2. Ambient temperature: -10°C to +40°C
3. Earthquake intensity: ≤8 degree
4. Pollution level: II
5. Relative humidity: Daily averages 95%, Monthly average ≤90%
Model and meaning:
Yueqing Liyond Electric Co., Ltd.
| Item | Unit | Data | ||
| Rated voltage | kV | 12 | ||
| Rated short-time withstand current | kA | 31.5 | ||
| Rated short-circuit duration | s | 4 | ||
| Rated short-circuit making current | kA | 80 | ||
| Rated peak withstand current | kA | 80 | ||
| Rated insulation level | PF withstand voltage(1 min) | kV | Phase to earth | 42 |
| Lightning impulse withstand voltage | Phase to phase | 75 | ||
| Mechanical endurance | time | 2000 | ||
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