| Customization: | Available |
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| Certification: | ISO9001 |
| Shell Material: | Steel Plate |
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The JN15-12/31.5 indoor AC high voltage earthing switch, manufactured by Yueqing Liyond Electric Co., Ltd., is an advanced product designed for power systems operating at 3-12kV and three-phase AC 50(60)Hz. It conforms to GB1985 AC HV disconnect switch and earthing switch as well as IEC129 standards. With improved performance parameters based on the ES1 earthing switch, it offers a high short-circuit making capacity to protect electrical equipment. This switch can be used with various high voltage switchgear and serves as a protective measure during high-voltage equipment maintenance.
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| 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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