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Unipart Dorman Mk3 signal delivers superior anti-phantom performance, "Plug & Play" installation, and a maintenance-free, retrofittable design.
The Unipart Dorman CLS Mk3 signal is a high-performance, maintenance-free signalling solution designed to enhance safety, efficiency, and long-term value for the UK rail industry. It is fully compliant with Network Rail specifications and is retrofittable into existing Unipart Dorman housings, providing a seamless upgrade for current infrastructure.
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Worried about false signals and trackside safety risks?
Enhance signalling safety with the Unipart Dorman Mk3 Colour Light Signal (CLS). This latest iteration of the CLS family features advanced optics and a ground breaking anti-phantom top yellow module. This results in a superior anti-phantom design that delivers a 98% improvement in anti-phantom performance, significantly reducing the risk of false signals and improving driver readability.
Delivering improved worker safety is at the heart of all product innovations from Unipart Dorman, the Mk3 CLS continues to prioritise safety through its innovative design, and when installed with the Assisted Lift Trunnion removes any requirement to work at height during installation. Resulting in dramatically maximising worker trackside safety.
By utilising the Mk3 CLS, you will benefit from significant efficiency gains.
The Plug and Play - MIL 5015 Plug Coupler connections means installation with our Assisted Lift Trunnion (ALT / HDALT) is faster and safer, resulting in installation times being drastically reduced, from approximately 70 total man hours for iLS Installation to just 7 hours, and requiring only 5 workers rather than 10.
The Mk3 CLS is designed to be maintenance free, developed on the success of over 40 million fault free operational hours for GPLs and a long LED lifespan and modular design. This leads to reduced maintenance frequency, quicker replacements, and supports an "install and forget" approach.
Experience competitive lifecycle costs and reduced spares. The Mk3 CLS delivers demonstrable savings.
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Upgrading your signalling infrastructure doesn't have to mean major civil works. The Mk3 CLS is fully retrofittable into all existing Unipart Dorman housings, meaning no need for infrastructural changes and offering hassle free renewals.
The Mk3 CLS delivers a versatile signalling solution, with voltage options of 110V & 24V ensuring different infrastructure needs are met. The improved universal close up viewing solution provides clear visibility from all positions and will reduce stock complexity as it's a single universal module.
When used in conjunction with the Assisted Lift Trunnion (ALT), this signal installation and ongoing management is greatly simplified. It is fully compliant with Network Rail specifications.

This innovative system enhances worker safety and reduces installation time by significantly lowering the force required to raise and lower signals, making it ideal for both new and existing infrastructure.
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A complete, off-site build and test solution for level crossings that can be manufactured, tested, and stored before being delivered as a single package, reducing on-site time and costs by 20%.

A cost-effective solution delivered as a post-mounted unit to minimise on-site installation, alignment, and testing time. It utilises "plug couplers" to simplify connections and reduce the need for work at height.
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A range of LED signals designed for the North American market that can integrate with existing housing styles, offering a long and predictable life for railway operators.
How the process works

Step 1: Complete the form
Fill out the proposal form above to submit your ideas.

Step 2: We receive your idea
As soon as you fill the form in we will receive your idea.

Step 3: We review your idea
Our experienced and multi-skilled team will review your idea.

Step 4: We'll get in touch
We will get in touch to provide feedback and a decision on taking the idea further with Unipart Rail.