Rated voltage/

current(Kv/A)

Creepage distance(mm)

Distance between phase(mm)

Breaking weight load(kgf)

Power frequwency withstand voltage(kV)

Lightning impulse withstand voltage(kV)

Note

Dry

Wet

60Hz.kV

60Hz.kV

25.8/100

400    

 more than

358±2

         1000           more than

42

36

125

C.O.S

25.8/100

645     

more than

358±2

   1000    

more than

70

60

125

C.O.S

25.8/200

645     

 more than

448±2

 1000    

 more than

70

60

150

P.F