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Model: FN7-12RD
Overview:
FN7-12RD type AC high-voltage load switch is a new type of gas-generating indoor high-voltage load switch. It is suitable for breaking load current and closing short-circuit current in three-phase AC power system with AC 50Hz and rated voltage 12KV.
Technical data:
|
Rated voltage |
12KV |
|
Rated current |
400A/630A |
|
1 min power frequency withstand voltage |
42KV,48KV |
|
Lightning impulse withstand voltage |
75KV,85KV |
Environment condition:
1.Upper limit of ambient air temperature: +40°C, lower limit: -10°C;
2. The altitude: ≤ l000m;
3. The daily average relative humidity is ≤ 95%, and the monthly average is ≤ 90%;
4. The seismic intensity does not exceed 8 degrees;
5. Places without fire, explosion hazard, chemical corrosion and severe vibration;
6. The surrounding air should not be significantly polluted by corrosive or flammable gases and water vapor.
