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
|
| 
