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GNF38‑12‑630A Indoor High Voltage Disconnector | 12kV Three‑Position Disconnector
Environmental Conditions
- Altitude: not exceeding 1000 m.
- Ambient air temperature: -25 °C ~ +40 °C.
- Ambient relative humidity: daily average ≤95 %, monthly average ≤90 %.
- Seismic intensity: not exceeding Grade 8.
- Installation site: free from fire hazards, flammable‑explosive substances, heavy contamination, chemical corrosion and severe vibration.


JDG4-0.5 type voltage transformer,Accuracy class 0.5,designed for voltage measurement and relay protection in indoor AC circuits