Summary
FN7-12DR type indoor AC high voltage load switch is suitable for three-phase AC power system with AC 50Hz and rated voltage of 12KV. It can be used as breaking load current and closing short circuit current. Combined electrical apparatus can be switched off until any current of short circuit current can be used as protection.
Installation and use
Normal condition: ambient air temperature
Upper limit: +40 C
Lower limit: -25 C
Dialing: the height of the sea is 1000m and below.
Relative humidity: the daily average is not more than 95%, and the monthly average is not more than 90%
The ambient air should not be contaminated by corrosive or combustible gas and water vapor.
No frequent violent vibration.
Rated parameters
Main specifications
Shape and installation size
