|
|
|
|
|
String Insulator DTR, E&I/KOREA |
|
|
ITEMS
|
DISTRIBUTION LINE
|
Dimensions
|
Rated voltage (kV)
|
25
|
Section length (mm)
|
445
|
Leakage distance (mm)
|
655
|
Minimum arcing distance (mm)
|
310
|
Electrical ratings
|
Low frequency flashover voltage test (kV)
|
Dry
|
140
|
Wet
|
130
|
Critical impulse flashover voltage test (kV)
|
Positive
|
217
|
Negative
|
310
|
Ratio influence voltage data (µv)
|
Max.voltage
|
1
|
Mechanical ratings
|
Failing load test (kN)
|
70, 100
|
Number of sheds
|
6
|
|
|
|
|
|