Overhead Line Electrification Equipment

Our Overhead Line Electrification (OLE) product range has been designed to solve three problems which are faced by teams tasked with the installation and maintenance of overhead railway lines: speed, safety and simplicity. 

When it comes to Overhead Line Electrification, we know that time is limited.

Our innovation team have developed a range of cutting-edge, overhead line equipment products which are designed to revolutionise overhead catenary and contact electrification and maintenance. Developed in close collaboration with rail industry experts, our new game-changing solutions allow contractors to install faster, work safer, and are easier to use than anything else on the market.

Allowing you to save time both preparing for works and installing overhead lines, our Gripple rail solutions are simple, reliable and come pre-assembled, eliminating the need to measure and cut on site.

Contractors and engineers using our solutions have found they are able to get more done in every possession window, as well as bringing forward project completion dates where specified at the early stages.

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Material Compatibility:

Copper

Catenary Wire Compatibility:

9.0 – 16.0 mm

Contact Wire Compatibility:

Type AC / Type BC

Network Rail Approved

Network Rail Approved

Fully approved for use on live UK lines.

Increase Productivity

Increase Productivity

Faster to install with minimal training requirements, allowing installation teams to make the most out of their possession windows.

Meet Project Deadlines

Meet Project Deadlines

Speed up installation and bring forward completion dates.

Right First-Time Installation

Right First-Time Installation

Supplied as a pre-assembled kit with an auto-torque clamp.

Fully Adjustable

Fully Adjustable

Push-button adjustability for quick and easy maintenance.

Work Safer

Work Safer

Spend less time working at height and at night.

Network Rail Approved

Network Rail Approved

Fully approved for use on live UK lines.

Increase Productivity

Increase Productivity

Faster to install with minimal training requirements, allowing installation teams to make the most out of their possession windows.

Meet Project Deadlines

Meet Project Deadlines

Speed up installation and bring forward completion dates.

Right First-Time Installation

Right First-Time Installation

Supplied as a pre-assembled kit with an auto-torque clamp.

Fully Adjustable

Fully Adjustable

Push-button adjustability for quick and easy maintenance.

Work Safer

Work Safer

Spend less time working at height and at night.

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SwiftLine Forked Collar

OLE Coupling and Termination Method


Max Load Rating: 5000 kg
Catenary Wire Acceptance: 9.0 mm – 12.5 mm
Contact Wire Acceptance: 10.8 mm – 13.2 mm

SwiftLine Rail Jumper

OLE Parallel Groove (PG) Jumper Clamp


Catenary Wire Compatibility: 10.6 mm
Contact Wire Compatibility: 10.6 mm
Max. Pull Test Performance: >180 kg

SwiftLine Rail Dropper

Fully Conductive OLE Dropper


Catenary Wire Compatibility: 9 mm – 16 mm
Contact Wire Compatibility: 5.5 mm – 7.1 mm
Average Pull Test Force: 354 kgf (avg)

Trusted By The Experts

“It’s simpler, easier to use and more versatile than traditional methods and it’s going to make maintenance a breeze!”
Nikki Stephen, Senior Technical Officer (OLE) | Network Rail
“It’s clear that Gripple have worked closely with engineers to address the issues we face during OLE installations.”
Alan Kennedy, Head of Engineering | SPL Powerlines

Frequently Asked Questions

Gripple rail products are ideal for a range of electrification (OLE) projects including heavy rail, light rail, metro, and high-speed rail networks.

Yes. Many of our rail products are approved for use by Network Rail and meet the relevant industry standards. Please get in touch to receive our technical data sheets and approval documentation.

Gripple products are lightweight, tool-free, and quick to install, reducing labour time and increasing efficiency trackside. They’re also corrosion-resistant, cyclic-tested, and designed to withstand harsh outdoor environments, ensuring long-term durability.

Yes, Gripple’s SwiftLine solutions can be used in all rail environments.

Traditional methods can be time-consuming and inflexible. Gripple systems are adjustable, reusable, and much quicker to install, often without the need for power tools or specialist training. This leads to cost and time savings, especially on large-scale projects.

Yes. Our in-house technical team regularly works with contractors and project engineers to support and ensure that we are offering the right solution. Please get in touch to discuss your project’s needs.

Absolutely. Our products are designed with electrical insulation, load-bearing strength, and environmental resilience in mind — making them perfect for OLE installations and upgrades.

We offer full technical support, including product drawings, installation training, and on-site assistance where needed. Our goal is to simplify installation and ensure your rail infrastructure is future-proof.

You can contact our Rail team directly via the form on this page, or call us to discuss your project. We’re happy to provide technical specs, pricing, and tailored recommendations based on your requirements.

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