Insulator Pins
Description text
Description: Our insulator pins, designed to securely fasten electrical insulators to crossarms, are crafted from premium galvanized steel, ensuring long-lasting durability and resistance to corrosion.
As a trusted supplier to the overhead line electricity and telegraphic industries for over 70 years, our pins are trusted by both UK and global customers for their reliability and high performance in even the most demanding conditions.
BS Number: -
What are Insulator Pins used for?
An insulator pin is used to hold the insulator that is mounted on top of it in a vertical position. The use of steel is required wherever the pins must be extra long and sturdy due to high voltage and when the conductor is under severe tension.
Insulator pins are bolted onto a crossarm and the insulator is then screwed onto the top of the pin. The wire is then typically attached to the insulator by being wrapped around it. This isolates the wire from its physical support and as the insulator is made out of a non-conductive material, prevents any significant damage in the event of an electrical failure.
The advantages of an insulator pin are that it has a high mechanical strength; the pin type insulator has good creepage distance. It is normally used vertically but can be used horizontally as well.
Insulator pins come in a variety of sizes from 50mm to 150 mm, one type of pin can be used to hang multiple types of noise insulation, reducing inventory needs.
Types of Insulator Pins
There are three types of overhead insulators:
- Pin Insulators
- Strain Insulators
- Suspension Insulators
Unlike the others, pin insulators are directly connected to the physical support compared to being suspended from the wire. The pin insulator is used in power distribution for the voltage up to 33kV. A pin insulator is not usually used above 33kV, though construction of three or four-piece insulator may be possible but not usually due to the size becoming too bulky and the high weight which would not prove to be economical.
Insulator pins come in a variety of sizes from 50mm to 150 mm, one type of pin can be used to hang multiple types of noise insulation, reducing inventory needs.
Contact Us
Advantages of Insulator Pins
Insulator pins offer several key advantages for securing electrical insulators to crossarms. Their high mechanical strength ensures reliable support for electrical lines, even in harsh weather conditions. The enhanced creepage distance in pin-type insulators helps minimise electrical discharge, improving safety and efficiency in high-voltage systems.
These pins are versatile, allowing for both vertical and horizontal mounting, making them adaptable to various installation configurations. Made from galvanized steel, they provide excellent corrosion resistance, ensuring durability in harsh environments.
Additionally, thesepins are cost-effective, requiring minimal maintenance and reducing the need for frequent replacements. They also help dampen vibrations, contributing to the stability and longevity of overhead lines.
With these benefits, such pins are a reliable and durable choice for ensuring the integrity and safety of overhead electrical and telecommunication systems.
Related Products
Rings Pole Head
Backplate
Cable Support Posts
Under Eaves Extension Bracket
U Bolt Concentric Brackets
Twisted Tie Straps
Turnbuckles
Trussing Tackle Sets
Transformer Platform Supports
Transformer Platform Supports (H-Pole)
Tie Straps
Terminal Plates
Stay Rods
Stay Outrigger Brackets
Square Curve Washers
Socket Tongues
Socket Thimbles (Small)
Socket Thimbles (Large)
Socket Clevis
Section Plates
Screw Anchor Rods
Rock Stay Rods
Backplates-with-Clip-in-Cable-Hangers (2)
Pole Top Extensions
Pilot Insulator Pins
Palm Eye Bolts
Outrigger Hooks
Outrigger Brackets
LV Outrigger Brackets
Insulator Plates
Insulator Pins
Insulator Hooks
Insulator brackets
Hook Bolt with Keeper Plate
Helix Anchor Rods
Fuse Angle Crossarms
Eye Nuts
Eye Bolts
Eaves Extension Brackets
D Iron Brackets
Crucifix Brackets
Crossarms
Clamping Plates
Cable Guards
Bracing Set
Boat Crossarms
Ball Ended Eye Links
Anti Climbing Guards
Angle Struts
ABC Hook Bolts
