FN7 overload Load switch

Product features:

1. Installation way: front-mounted, side mounted, flip mounted;
2.Operating mechanism: spring operating mechanism, manual type and electrical type available;
3. Operation type: right operation and left operation;
4. Application: indoor 12kv switchgear.

Description

FN7 overload Load switch

Overview About FN7 Overload Load Switch

Overload Load switch N7-12DR series AC high voltage load switch is a kind of new gas-type indoor high voltage load switch, applied to AC 50Hz and rated voltage 12KV for three-phase AC power system.

It is used as the breaking load current and closing short-circuit current. Following part are some parameters about environment. The max ambient air temperature is 40 ℃. The mix ambient air temperature is 10 ℃for the general area and -25 ℃ for the alpine region.

The daily average relative humidity is less than 95% in area of altitude less than 2000m and the month average relative humidity is less than 90%. The ambient air should not be obviously polluted by corrosive or flammable gases and water vapor. No recurrent severe vibration.

Environmental Conditions:

1.Ambient temperature: -25°C ~ +40°C;

2. Altitude: ≤1000m (above sea level);

3.Relative humidity: daily average ≤95%, monthly average ≤90%;

4. Earthquake intensity: ≤8 level;

5.Pollution grade: II;

6. Places without fire, explosion, chemical corrosion and serious vibration.

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