。Ambient temperature-25℃-+40℃
。Elevation,,,; 1000m
。Humidity: daily average humidity.;;95%, monthly.;;90%
。The earthquake does not exceed degree 8
。No fire, explosion, chemical errosion.
FN7-12DR Model indoor AC HV Load Switch is suitable in 50Hz,rated voltage of 12Kv the three-phase AC power system
as the breaking load short-circuit current of the power and used the Closing,
until the combination of electrical short -circuit current can be breaking any current
can be used as protection purposes .
。The ambient temperature: -25°C-+40°C, alpine region, ;;.-40°C;
。The altitude:≤1000M;
。Relative humidity: daily average value is not greater than 95%, monthly average is not 9reater than 90%;
。Earthquake intensity:≤ 8 degree;
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