FZN25-12RD indoor hv vacuum load switch,which is also named ZFN25 load switch,is the triphase hv switch equipment of 10kv rated voltage and 50hz rated frequency.It is used to close the load current and combine short current.The earthing switch is also equipped,which can stand load curent.In order to realize the demand of tricontrol of electrical power system engineering,hand operation and motor operation system are equipped.

Using condition

a.ambient temperature -25oC-+40oC

b.elevation≤1000m

c.humidity:daily average humidity≤95%,monthly≤90%

d.the earthquake does not exceed degree 8

e.no fire,explsion,chemical errosion..

f.pollution:level 2