Polymer Insulator

• Application
• Transmission Line, Electrical Substations, High Voltage Power Distribution

• Breakdown Voltage
• Greater than 200 kV (power frequency dry)

• Coating Type
• Silicone rubber housing

• Color
• Gray

• Density
• 2.0 Gram per cubic centimeter(g/cm3)

• Feature
• UV Resistant, Hydrophobic, High Mechanical Strength, Lightweight, Resistant to Pollution Flashover

• Heat Conductivity
• Low, <0.4 W/mK for silicone rubber

• Installation Guideline
• Install using standard ball and socket hardware conforming to IEC standards. Tighten correctly to avoid excess stress on end fittings.

• Layer
• Single layer design with multiple sheds

• Material
• Silicone Rubber, FRP (Fiber Reinforced Polymer) Core, Metal End Fittings

• Max Withstanding Temperature
• -40C to +120C

• Product Type
• Disc Polymer Insulator (Ball and Socket Type)

• Rated Voltage
• 66 kV

• Size
• Approximately 320-350 mm length

• Surface Treatment
• Anti-aging silicone coating

• Tensile Strength
• 80 kN (Breaking Load)

• Thermal Conductivity
• Low

• Thickness
• Standardised as per design, typically 8-18 mm sheath thickness

• Width
• Approx. 180-250 mm (shed diameter)

• Application
• Overhead power transmission and distribution lines

• Breakdown Voltage
• >90 kV

• Coating Type
• Silicone Rubber Coating

• Color
• Grey

• Density
• 2.0 Gram per cubic centimeter(g/cm3)

• Feature
• Lightweight, High mechanical strength, Non-brittle, Anti-tracking, Maintenance free

• Heat Conductivity
• Low (Polymer is a poor conductor of heat)

• Installation Guideline
• Should be installed as per electrical utility standards, ensure proper fitting on B&S type hardware

• Layer
• Single or Multi-layer polymer housing

• Material
• Polymer (Silicone Rubber / Composite Material)

• Max Withstanding Temperature
• -40C to +60C

• Product Type
• Disc Insulator, B and S Type

• Rated Voltage
• 33 kV

• Size
• Standard for 33 kV disc insulators, approximate length 260-300 mm

• Surface Treatment
• UV-resistant, Hydrophobic surface

• Tensile Strength
• 70 kN

• Thermal Conductivity
• Low

• Thickness
• Varies, typically 10-15 mm per housing layer

• Width
• Approx. 160 mm (shed diameter)

• Application
• Overhead Transmission and Distribution Lines

• Breakdown Voltage
• >110 kV

• Coating Type
• Silicone Rubber External Coating

• Color
• Grey

• Density
• 1.5 Gram per cubic centimeter(g/cm3)

• Feature
• Lightweight, High pollution performance, Anti-fouling

• Heat Conductivity
• Low (Polymer acts as an Insulator)

• Installation Guideline
• Suitable for standard disc string configuration; install with appropriate arcing and hardware fitting

• Layer
• Single composite structure with multiple sheds

• Material
• High-grade polymer (Silicone Rubber) and Metal Fittings

• Max Withstanding Temperature
• -40C to 120C

• Product Type
• Disc Polymer Insulator (T-I Type)

• Rated Voltage
• 33 kV

• Size
• Overall Length: 320 - 350 mm (including fittings)

• Surface Treatment
• Hydrophobic silicone coated

• Tensile Strength
• >70 kN

• Thermal Conductivity
• 0.17 W/mK (typical for silicone rubber)

• Thickness
• Standard profile (varies by manufacturer)

• Width
• Approx. 210 mm (Disc Diameter)

• Application
• Overhead transmission and distribution lines

• Breakdown Voltage
• > 200 kV (Impulse withstand)

• Coating Type
• UV resistant Silicon Rubber Coating

• Color
• Gray

• Density
• 2.1 Gram per cubic centimeter(g/cm3)

• Feature
• Lightweight, high mechanical strength, weather resistant, anti-pollution

• Heat Conductivity
• Low, insulating material

• Installation Guideline
• Mount on pole top with designated pin, secure to prevent looseness

• Layer
• Silicone outer, FRP core, metal end caps

• Material
• Silicone Rubber, FRP (Fiber Reinforced Polymer), Metal End Fittings

• Max Withstanding Temperature
• -40C to +120C

• Product Type
• Pin Polymer Insulator

• Rated Voltage
• 33 kV

• Size
• 34 mm Core Diameter; Length: 350 - 400 mm (approx.)

• Surface Treatment
• UV resistant, Hydrophobic Silicon Rubber Surface

• Tensile Strength
• 60 kN

• Thermal Conductivity
• Very low, electrically insulating

• Thickness
• Varies: Typically 34 mm FRP Rod

• Width
• Approx. 130 mm (Shed diameter)

• Application
• 11 kV Overhead Transmission and Distribution Lines

• Breakdown Voltage
• > 60 kV (dry)

• Coating Type
• Silicone Rubber Housing

• Color
• Gray

• Density
• 2.0 Gram per cubic centimeter(g/cm3)

• Feature
• Lightweight, High Mechanical Strength, UV and Weather Resistant

• Heat Conductivity
• Low, typically < 0.3 W/mK

• Installation Guideline
• Should be mounted vertically on pin type crossarm fitting and tightened using hardware supplied

• Layer
• Single-layer through-core design

• Material
• Silicone Rubber, FRP (Fibre Reinforced Plastic) core with galvanized steel fittings

• Max Withstanding Temperature
• -40C to +120C

• Product Type
• Pin Polymer Insulator

• Rated Voltage
• 11 kV

• Size
• 270 mm (length, typical)

• Surface Treatment
• Hydrophobic, weather-resistant polymer coating

• Tensile Strength
• > 10 kN

• Thermal Conductivity
• < 0.3 W/mK

• Thickness
• 8 - 12 mm (average thickness of polymer sheath)

• Width
• 110 mm (approximate diameter of sheds)

• Application
• Overhead Transmission Line Insulation

• Breakdown Voltage
• >100 kV (dry, withstand)

• Coating Type
• Silicone Rubber Weather Resistant Coating

• Color
• Grey

• Density
• 1.5 Gram per cubic centimeter(g/cm3)

• Feature
• Anti-tracking, Lightweight, UV Resistant

• Heat Conductivity
• Low (suitable for electrical insulation)

• Installation Guideline
• Install vertically using clevis and tongue fittings

• Layer
• Single polymeric layer with internal FRP rod

• Material
• Silicone Rubber, FRP (Fibre Reinforced Plastic), Galvanized Steel End Fittings

• Max Withstanding Temperature
• -40C to +120C

• Product Type
• Disc Polymer Insulator T-C

• Rated Voltage
• 33 kV

• Size
• Typical lengths 250-300 mm

• Surface Treatment
• Hydrophobic Polymer Coating

• Tensile Strength
• > 60 kN

• Thermal Conductivity
• Very Low (Electrical Insulator)

• Thickness
• Varies, approx. 45-60 mm (shed thickness)

• Width
• Approx. 180 mm (disc diameter)

• Application
• Overhead Transmission and Distribution Lines

• Breakdown Voltage
• >130 kV (Power frequency withstand voltage)

• Coating Type
• Silicone Rubber Housing

• Color
• Gray

• Density
• 2.1 Gram per cubic centimeter(g/cm3)

• Feature
• Lightweight, High Mechanical Strength, Anti-tracking, Hydrophobic

• Heat Conductivity
• 0.2-0.4 W/mK (silicone rubber base value)

• Installation Guideline
• Mount on pin; tighten all hardware to manufacturers recommended torque

• Layer
• Single core with multiple sheds

• Material
• Polymer (Silicone Rubber Housing with Fiberglass Core)

• Max Withstanding Temperature
• -40C to +110C

• Product Type
• Pin Type Polymer Insulator

• Rated Voltage
• 33 kV

• Size
• Length: approx. 380 mm

• Surface Treatment
• UV Resistant Silicone coating

• Tensile Strength
• >10 kN

• Thermal Conductivity
• 0.2-0.4 W/mK

• Thickness
• 45 mm (core diameter approx.)

• Width
• 120 mm (typical)

• Application
• Used for supporting and insulating conductors in 33 kV overhead transmission and distribution lines

• Breakdown Voltage
• >250 kV (Impulse withstand)

• Coating Type
• HTV Silicone Rubber

• Color
• Gray

• Density
• 2.2 Gram per cubic centimeter(g/cm3)

• Feature
• Lightweight, vandal-resistant, high mechanical and electrical strength

• Heat Conductivity
• Low thermal conductivity, typical for polymer insulators

• Installation Guideline
• Mount vertically or horizontally, bolt-on base, ensure torque is maintained as per manufacturers instructions

• Layer
• Single layer polymer housing with fiberglass core

• Material
• Polymer (Silicone Rubber Housing with Fiberglass Core)

• Max Withstanding Temperature
• -40C to +90C

• Product Type
• Polymer Line Post Insulator

• Rated Voltage
• 33 kV

• Size
• Standard dimensions as per IS/IEC 61109; Height: 350-450 mm approx.

• Surface Treatment
• UV resistant, hydrophobic silicone coating

• Tensile Strength
• 100 kN (mechanical load, value may vary with design)

• Thermal Conductivity
• Very low (typical polymer insulator property)

• Thickness
• Determined by Core Diameter, typically 16-25 mm

• Width
• 150 mm (Approx. depends on product design)

• Application
• Outdoor electrical substations, circuit isolation

• Breakdown Voltage
• Greater than 120 kV

• Coating Type
• Hot dip galvanized

• Color
• Grey (Polymer), metallic (fittings)

• Feature
• Lightweight, high insulation performance, maintenance free, weather resistant

• Installation Guideline
• Horizontal or vertical mounting; bolt-on base

• Layer
• Multi-ribbed insulator design

• Material
• Polymer insulator with galvanized steel and copper components

• Max Withstanding Temperature
• Up to 120C

• Product Type
• Turn and Twist Type Isolator (Disconnector Switch)

• Rated Voltage
• 33 kV

• Size
• Standard for 33 kV equipment, approx. 1-1.2 m total length

• Surface Treatment
• Galvanized coating on metal parts

• Tensile Strength
• High mechanical strength (> 10 kN)

• Thermal Conductivity
• Low (polymer insulator)

• Width
• Approx. 400-500 mm

• Application
• High voltage electrical distribution and transmission

• Breakdown Voltage
• >= 90 kV (typical for 33 kV insulators)

• Coating Type
• Silicone/Polymer coating

• Color
• Grey

• Density
• 2.0 Gram per cubic centimeter(g/cm3)

• Feature
• High mechanical strength, weather resistant, lightweight

• Heat Conductivity
• Low, suitable for electrical insulation

• Installation Guideline
• Mount securely on support structure, ensure clearances and proper electrical connections as per utility standards

• Layer
• Single/multi-layer composite structure

• Material
• Polymer (Silicone Rubber/Composite)

• Max Withstanding Temperature
• -40C to +120C

• Product Type
• 800 Amps Insulator

• Rated Voltage
• 33 kV

• Size
• Standard (varies per design, typically 300mm-500mm height)

• Surface Treatment
• Hydrophobic/anti-tracking surface coating

• Tensile Strength
• Greater than 30 MPa

• Thermal Conductivity
• < 0.30 W/mK

• Thickness
• Designed according to mechanical/thermal requirements

• Width
• Standard design as per manufacturer specification

• Application
• Medium Voltage (MV) Electrical Distribution and Substations

• Breakdown Voltage
• 100 kV (for 33 kV Insulator)

• Coating Type
• Galvanized for metal parts; weather-resistant polymer for insulators

• Color
• Gray (Insulator), Metallic (Fittings and contacts)

• Density
• 2.0 Gram per cubic centimeter(g/cm3)

• Feature
• High mechanical strength, corrosion resistance, lightweight, UV and environmental resistance

• Heat Conductivity
• Low Thermal Conductivity (0.3 W/mK for FRP)

• Installation Guideline
• Mount horizontally on base structure; ensure phase clearance as per standards; tighten all contacts firmly

• Layer
• Single FRP insulator rod with weather sheds

• Material
• Sheet Type Polymer (FRP - Fiber Reinforced Polymer)

• Max Withstanding Temperature
• 120C (FRP Insulators)

• Product Type
• Isolator (Disconnect Switch) with Polymer Insulator

• Rated Voltage
• 33 KV

• Size
• Standard installation size for 33 kV/800A applications; overall length typically 500-700 mm

• Surface Treatment
• Galvanized metal fittings; polymer surface for insulator

• Tensile Strength
• 450 MPa (for FRP rod/insulator)

• Thermal Conductivity
• Low (insulation against electrical and thermal pathways)

• Thickness
• 5 to 10 mm FRP; metallic parts as per standards

• Width
• As per design, commonly 120-150 mm base plate

• Application
• Outdoor High Voltage Switchgear, Distribution Lines, Substations

• Breakdown Voltage
• Greater than 11 kV (with margin for insulation safety)

• Coating Type
• Galvanized coating for metallic frame, anti-corrosive polymer for insulators

• Color
• Gray/Black for polymer insulators, metallic parts silver

• Density
• 2.1 Gram per cubic centimeter(g/cm3)

• Feature
• Corrosion resistant, weather proof, high mechanical strength, UV resistant, arc proof insulators

• Heat Conductivity
• Low (insulating type for FRP and Polymer)

• Installation Guideline
• Mount securely on structure, ensure correct alignment and electrical clearance, torque all fasteners

• Layer
• Single (assembled with three insulator stacks per pole)

• Material
• Polymer, FRP (Fiber Reinforced Polymer), Copper (conducting parts), Galvanized steel (mounting base)

• Max Withstanding Temperature
• Up to 120C (polymer components), 400C (metal parts)

• Product Type
• Turn & Twist Type Isolator

• Rated Voltage
• 11 kV

• Size
• Pole height typically 200-400 mm, base length approx. 500-700 mm

• Surface Treatment
• Hot-dip galvanization for frame and base

• Tensile Strength
• Minimum 80 MPa (for FRP and insulator)

• Thermal Conductivity
• Very low for FRP/polymer, higher for copper conductors

• Thickness
• FRP Rod thickness 24 mm

• Width
• As per design, typical span for 800 A isolator appox. 400-600 mm

• Application
• Outdoor high voltage power distribution and transmission

• Breakdown Voltage
• Above 30 kV (for insulator portion)

• Coating Type
• Galvanized zinc coating on metallic parts

• Color
• Gray (insulator), metallic (contacts & support)

• Feature
• Corrosion Resistant, Weatherproof, Maintenance-free

• Heat Conductivity
• Low

• Installation Guideline
• Mount horizontally on mounting bracket as per electrical standards

• Layer
• Single-layer FRP rod

• Material
• Sheet Type Polymer, Aluminium, Copper, FRP (Fiber Reinforced Polymer), Galvanized Iron

• Max Withstanding Temperature
• Up to 120C

• Product Type
• Isolator / Disconnector

• Rated Voltage
• 11 kV

• Size
• 24 FRP standard; 400A configuration

• Surface Treatment
• Hot Dip Galvanized, Anti-corrosion finish

• Tensile Strength
• High tensile FRP (typically >250 MPa)

• Thermal Conductivity
• Low (for insulator), metallic contacts for conductivity

• Thickness
• Standard thickness for 400A polymer insulators

• Width
• Standard isolator width as per 400A specification

• Application
• Medium & High Voltage Electrical Distribution Lines

• Breakdown Voltage
• >= 80 kV peak (Insulator)

• Coating Type
• Hot Dip Galvanized

• Color
• Grey (Metal), Black (Polymer Insulator)

• Feature
• Corrosion Resistant, UV Resistant, High Mechanical Strength, Maintenance Free

• Heat Conductivity
• Low (Polymer and FRP materials)

• Installation Guideline
• Outdoor Pole/Structure Mounting, Follow standard electrical safety norms

• Layer
• Single layer construction, with composite material insulator

• Material
• Galvanized Steel, Polymer Insulator, FRP Rod (34MM)

• Max Withstanding Temperature
• -40C to +120C

• Product Type
• GO AB (Gang Operated Air Break) Switch

• Rated Voltage
• 33kV

• Size
• Standard for 33kV, pole mounting; custom sizes available

• Surface Treatment
• Hot Dip Galvanized (Metal parts), Weather Resistant (Insulators)

• Tensile Strength
• >600 MPa (FRP Rod), >300 MPa (Steel)

• Thermal Conductivity
• Low (Insulator, FRP)

• Thickness
• 34MM FRP Rod

• Width
• As per standard design for 33kV switches

• Application
• Outdoor High Voltage Overhead Line Switching

• Breakdown Voltage
• >= 90 kV (across insulator, as per IS/IEC standards)

• Coating Type
• Zinc Galvanized coating for hardware

• Color
• Grey (Insulator), Metallic (Hardware)

• Feature
• Lightweight, Corrosion-resistant, Easy Installation, UV Resistant

• Heat Conductivity
• Low thermal conductivity for outdoor insulation

• Installation Guideline
• Mount on 75x40 mm channel, ensure secure connections as per utility standards

• Layer
• Single Layer Insulating Sheath

• Material
• Polymer Insulator with Galvanized Iron/Steel/Aluminium Parts

• Max Withstanding Temperature
• Up to 120C

• Product Type
• Gang Operated (GO) Switch with Polymer Insulator

• Rated Voltage
• 33 kV

• Size
• 24 mm Framing, 57 mm PCD (Post Center Distance), 75x40 mm Channel

• Surface Treatment
• Hot-dip Galvanized (metal parts)

• Tensile Strength
• High Tensile Strength suitable for HV distribution

• Thermal Conductivity
• Low for enhanced electrical insulation

• Thickness
• 40 mm (Channel thickness)

• Width
• 75 mm (Channel width)

• Application
• Outdoor distribution lines, overhead transmission

• Breakdown Voltage
• >22 kV (Rated for 22 kV application)

• Coating Type
• Anti-corrosive, hot-dip galvanized (for hardware)

• Color
• Grey (Polymeric insulator body)

• Feature
• Weather resistant, lightweight, high mechanical strength, corrosion-resistant

• Heat Conductivity
• Low (Inherent to polymer insulators/FRP)

• Installation Guideline
• Mount on poles using suitable brackets, ensure secure electrical and mechanical connections, follow standard operational safety procedures

• Layer
• Single polymer insulator with embedded FRP rod

• Material
• Polymer Insulator with 24 mm FRP (Fibre Reinforced Polymer)

• Max Withstanding Temperature
• Up to 120C (Typical for polymer insulator materials)

• Product Type
• GO Switch (Gang Operated Switch)

• Rated Voltage
• 22 kV

• Size
• Standard for 22 kV, 400 Ampere GO Switch setup

• Surface Treatment
• Galvanized/Coated metal components; hydrophobic polymer surface

• Tensile Strength
• High (FRP reinforcement enhances mechanical strength)

• Thermal Conductivity
• Very low (Polymer/FRP feature)

• Thickness
• 24 mm (FRP Core)

• Width
• Standard design for 400A switch (not specifically listed)

• Application
• Outdoor Distribution Line Switching, Isolation and Earthing

• Breakdown Voltage
• Above 100 kV (Insulator)

• Coating Type
• Galvanized Coating on Metal Parts

• Color
• Grey (Polymer), Metallic Silver (GI parts)

• Density
• 2.0 Gram per cubic centimeter(g/cm3)

• Feature
• Corrosion Resistant, UV Resistant, High Mechanical Strength, Easy Manual Operation

• Heat Conductivity
• Low (Polymer Insulator)

• Installation Guideline
• Pole Mount or Structure Mount; Secure Foundation Recommended

• Layer
• Single Insulator Layer

• Material
• Galvanized Iron, Polymer (Silicone Rubber) Insulator

• Max Withstanding Temperature
• Up to 120C

• Product Type
• Air Break (AB) Switch, 6 Post

• Rated Voltage
• 22 kV

• Size
• Standard 22 kV Switchgear Dimensions

• Surface Treatment
• Hot Dip Galvanized (Metal Parts)

• Tensile Strength
• Over 20 kN (Insulator)

• Thermal Conductivity
• Low for Insulator, High for Metal Components

• Thickness
• Varies by part; insulator thickness approx. 30 mm

• Width
• Standard as per design (approx. 200 mm per unit)