Excellent electrical characteristics
Good shock and collision resistance
Good sealing performance
Description:
CDL series post insulators were designed for use on long rural lines to provide greater reliability and maintenance free operation. They are now widely used in a varity of pole top configurations to improve the appearance as well as performance of all distribution overhead,rural and urban.
Features:
1. Excellent electrical characteristics.
2. Good shock and collision resistance.
3. Good sealing performance.
Techincal data:
Type
CDL-38
CDL-69
CDL-115
CDL-138
Rated Voltage
38kV
69kV
115kV
138kV
Specified Mechanical Load
12.5kN
11kN
9.5kN
6.6kN
Section Length H
630mm
860mm
1115mm
1510mm
Dry Arcing Distance h
380mm
556mm
848mm
1250mm
Leakage Distance
1330mm
1420mm
2130mm
3150mm
BIL
260kV
340kV
620kV
760kV
Power frequency wet flashover
130kV
195kV
295kV
430kV
Number of sheds
7
8
12
18