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Line Post Insulator

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Rashtriya Electrical & Engg Corp has introduced a new silicone line post insulator that is applicable for 33KV overhead lines. This insulator is designed for installations with high electrical requirements. This insulator features the highly reliable proprietary silicone rubber that is one piece, injection moulded and chemically bonded to a high quality epoxy fibreglass rod.

This insulator will greatly improve the electrical performance of the System, especially in contaminated environments. Insulator contamination is a common problem on overhead lines. The fundamental element for interruptions with contaminated insulators is moisture. Wet atmospheric conditions result in water filming on surfaces and causing leakage currents to develop. On wood structures, leakage currents can cause pole top fires and eventual failures. On steel structures, leakage currents can develop into faults.Proprietary silicone rubber offers the ultimate solution in post insulator applications. Because of its hydrophobicity, this material inherently resists water filming thereby limiting leakage currents. These silicone rubber insulators reduce leakage currents, even when contaminated and require less frequent if any washing. The savings in maintenance costs are added benefits of using silicone rubber insulators.

The 33 kV line post insulator has been designed to meet the requirements of IEC 61952. The 33 kV line post insulator is available in four different configurations: Horizontal, Vertical, Tie-Top, Line-Post

. The Line Post design offers the best and most cost effective solution in most cases.

33KV Line Post Insulator

The 33KV Line Post insulator has an integral clamp for

Attaching the conductor directly to the line post insulator

Without the use of a separate conductor clamp. The Suspension Clamp

Can be mounted either in the vertical or horizontal position and

Offers several advantages over conventional line post


The suspension clamp has a smooth clamping zone that accommodates

A conductor diameter range of 5 mm to 30mm.

The single galvanized steel clamp bolt that secures

The keeper can be operated with hot line tools from either side

Of the clamp. It also extends beyond the clamp body to allow

For the attachment of stringing devices.

The Suspension Clamp provides substantial labour cost savings in

Stringing, sagging and conductor clamping. There is other

Savings that can be achieved in shipping, stocking and


We offer a deal in wide range of Electrical Line Post Insulator 11kv, 22kv, 33kv, 66kv, 132kv Line Post Insulator used on distribution line and transmission line upto 132KV. It is mounted rigidly on supporting structure by means of a steed or bolts. It is non-puncturable design. Connected fitting type: tie top conductor binding type and clamp top with vertical or horizontal mounting.
Cantilever strength can be 5KN, 10KN. Polymer Insulators:
Depending on the application, it is be more prudent to choose a polymer insulator.
Please use the charts below of Polymer Insulators:
Polymer Insulator Advantages
  • Lighter in weight, almost a 90% weight reduction. This weight reduction leads to easier handling, reduced shipping and installation costs.
  • Better performance in high contamination areas
  • Overall better handling of shock loads
  • More aesthetically pleasing the eye, and smaller profile
  • More resistant to vandalism and breakage due to the forgiving nature of polymer
  • Strong in tension

Line Post Insulator

Line Post Insulator

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  1. We manufacture high voltage insulator 10kv-500kv Composite Post Insulators,polymer insulators suppliers, silicone insulators, which include suspension long rod silicone rubber insulators, pin type composite insulators, station post polymer insulators, cross arm silicone rubber insulators, electrified railway polymer insulators, Polymer insulator, polymer lighting arrester.wholesales line post insulator,composite line post insulator,line post insulator suppliers,line post insulator manufacturers,

As the replacement of porcelain insulators, silicone rubber composite insulators have many advantages:
1. Excellent anti-pollution performance, suitable for high polluted area
2. Free of cleaning, economical maintenance and suitable for difficult maintenance area
3. No need of zero value check
4. Light weight, easy and economical to transportation and installation
5. Not brittle, and reduce the purchasing quantities for spare parts.

Comparisons of porcelain vs composite insulator

- Weight
- Hydrophobicity
- Polluted Environments
- Leakage current
- Tracking & ARC Resistance
- Installation Cost
- Vandalism
- Breakages
- Maintenance Cost
- Mechanical Strength

- Heavy
- poor
- Performance Not -satisfactory
- High
- Poor
- More
- More Susceptible
- High
- High

- Light
- Excellent
- Performance Excellent
- Low
- Excellent
- Less
- Highly Resistant
- Unbreakable
- Negligible


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