FN7-12R AC high voltage load switch is a new type of gas producing indoor high voltage load switch, suitable for use in three-phase AC power systems with AC 50Hz and rated voltage 12kV, as a means of breaking load current and closing short-circuit current.

Environmental conditions for use
1. Surrounding air temperature
Upper limit:+40 ℃
Lower limit: 10 ℃ in general areas, -25 ℃ in high cold areas
2. Altitude
The altitude is 1000m and below.
3. Relative humidity, daily average not exceeding 95%, monthly average not exceeding 90%
4. The surrounding air should not be significantly polluted by corrosive or flammable gases and water vapor.
5. No frequent and intense vibrations.  

Main Technical Parameters of FN7-12DR AC High Voltage Load Switch

Main specifications