Composite Insulators Manufacturer
11-400 kV polymeric insulators or composite silicone rubber insulators are manufactured conforming to international standards & specifications. Earlier insulators were made up of ceramic or glass only but with the advancements in technology the usage of composite insulators has grown to prevent line flash-over triggered by pollution. We are leading Silicone Insulation Manufacturers & Suppliers in India.
Enquire Now
Features
- Light weight (65-80% less than ceramic insulator)
- Silicon rubber sheds provide perfect hydrophobic performance, good resistance to ageing, tracking and erosion
- Stable behaviour at extreme climatic conditions
- Long term surface hydrophobicity
- Suitable for polluted environment, salty atmospheres etc.
- Resistance to breakage and vandalism, practically unbreakable
- Superior anti-tracking properties
- High mechanical strength
- Ease of installation (easier handling with lighter equipment and labour at the job site)
- Resistance to Seismic Shock
- Compliance with IEC 61109, ANS C29-11-1989
Dimension Chart
| Nominal System Voltage kV |
Sectional Length in mm |
Specified Mechanical in KN (min.) |
Creepage Distance in mm |
P. F. (Dry) Withstand Voltage kV/mint |
P. F. (Wet) Withstand Voltage kV/mint |
Impulse Withstand VoltageKVP |
Types of Metal Fitting |
| 11 |
260 |
5 |
320 |
65 |
40 |
80 |
PIN |
| 11-15 |
290 |
45 |
320 |
65 |
40 |
80 |
T&C/B&S |
| 11-15 |
320 |
70-90 |
320 |
65 |
40 |
80 |
T&C/B&S |
| 22-25 |
430 |
70-90 |
770 |
105 |
60 |
150 |
T&C/B&S |
| 33 |
375 |
10 |
980 |
120 |
90 |
210 |
PIN |
| 33-36 |
540 |
70-90 |
1005 |
125 |
90 |
230 |
T&C/B&S |
| 66 Sus |
774 |
70-90 |
2030 |
200 |
140 |
350 |
B & S |
| 66 Tens. |
884 |
120 |
2441 |
200 |
140 |
350 |
B & S |
| 132 Sus |
1344 |
70-90 |
4495 |
350 |
275 |
650 |
B & S |
| 132 Tens |
1536 |
120 |
5016 |
350 |
275 |
650 |
B & S |
| 220 Sus. |
2119 |
70-90 |
7595 |
630 |
540 |
1050 |
B & S |
| 220 Tens. |
2256 |
120 |
7975 |
630 |
540 |
1050 |
B & S |
| 400 Sus. |
3335 |
120 |
13020 |
750 |
700 |
1550 |
B & S |
| 400 Tens. |
3910 |
160 |
14500 |
750 |
700 |
1550 |
B & S |
Note : Cable Insulator with different type of metal fitting can be manufactured as per requirement.
