FN7-12DR is used in three-phase AC power network of AC 50Hz、rated voltage 12KV for breaking load current and controlling short-circuit current.
FN7(C)-12 type H.V load switch and fuse box is basied on the FN7-12 series H.V load switch. with operating mechanism. Make the installation more simpler. Can meet orders needs.
Rated current
Off device by motor(with:F without:blank)
Striking fuse box (with:F without:blank)
fuse box
Interlock gear between load switch and earth switch(with:L,without:blank)
Earth switch b(wire-in end:S,wire-out end:X)
Earth switch
Rated voltage
Designed number
Indoor load switch
1、The altitude does not exceed 1000m.
2、The ambient air temperatrue : Max:+40oC. Min:-25oC.
3、The relatire humidity of air Daily average ≤95% . Monthly average ≤90%
4、The ambient air should not be obviously polluted by corrosivity or the flammability gas steam.Etc.
5、The working situation without frequent violent.