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Line post insulator

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

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