Overview

FN7-12 / 400A AC high voltage load switch (hereinafter referred to as load switch) is a new gas-type indoor high-voltage load switch for AC 50Hz, rated voltage 12kV three-phase AC power system, as the breaking load current and Close the short circuit current.

FN7 (C) -12 series of high-voltage load switch and fuse combination is FN7-12 series of high-voltage load switch on the basis of the increase in side operating mechanism, making the installation more simple and convenient to meet the different requirements of the majority of users.

Use environmental conditions

1, the ambient air temperature limit: +40 degrees, the lower limit: -25 degrees;

2, the altitude of not more than 1000m;

3, relative humidity: daily average of not more than 95%, the monthly average of not more than 90%;

4, earthquake intensity does not exceed 8 degrees;

5, no fire, explosion hazard, chemical corrosion and severe vibration of the place;

6, pollution level: Ⅱ level;

7, the surrounding air should not be corrosive or flammable gas and water vapor and other obvious pollution.

Model and its meaning

The main technical parameters

Shape and installation dimensions

Other models: FN7-12 / 630, FN7-12 / 400