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Spelsberg UK Spelsberg is the largest manufacturer of non-metallic electrical enclosures in the world, incorporating 4,000+ products as standard or customised.

Spelsberg is the largest manufacturer of non-metallic electrical enclosures in the world. With over 4,000 enclosures available as standard and further customisation possible, it offers solutions for almost any application. With the largest supply of non-metallic enclosures, ex-stock in the UK, its products are often available for delivery within 24 hours; customisation is possible on any product, including bespoke entries, engraved corporate logos or fitted terminals, within 48 hours. Products can be ordered direct from Spelsberg or from most leading supply specialists including RS, Rapid, Farnell and CPC.

How do you guarantee quality in electrical enclosures?In short: we put in the work. For specifiers, the answer probably ...
14/10/2026

How do you guarantee quality in electrical enclosures?

In short: we put in the work.

For specifiers, the answer probably goes beyond IP rating or test results.
The material needs to work in the environment. Cable entries need to work for the installation. Internal mounting needs to work safely with the equipment. The whole unit needs to work with any changes further down the line.

Attention to detail when designing an enclosure is how Spelsberg guarantees reliability and easy installation. That’s why we develop customised enclosures with our customers, starting from initial requirements and 3D CAD design, all the way through tooling, production and testing.

We believe that a practical approach works harder for you on site.

Read the full article here: https://www.spelsberg.co.uk/news/news-press/detail/quality-starts-with-intelligent-tool-design

Once the concrete is poured, changing your mind is very expensive.That makes electrical planning especially important in...
30/09/2026

Once the concrete is poured, changing your mind is very expensive.

That makes electrical planning especially important in precast and in-situ construction, where junction boxes, lighting outlets and other connections often need to be positioned before the structure itself is formed.

As concrete construction becomes more common across projects ranging from modular housing and healthcare facilities to data centres, installers and specifiers need to think carefully about access, fixing, future maintenance and the sequence of installation.

Our latest article looks at why electrical infrastructure needs to be considered from the start, how modern installation systems can help reduce labour and construction time, and what lessons can be drawn from projects already using these approaches.

Read the full article here: https://www.spelsberg.co.uk/news/news-press/detail/increased-concrete-construction-projects-in-the-uk-benefit-from-rapid-electrical-installation-system

Outdoor electrical installations have to cope with far more than a little rain.Sunlight, frost, temperature swings, dust...
23/09/2026

Outdoor electrical installations have to cope with far more than a little rain.

Sunlight, frost, temperature swings, dust, moisture, chemicals and mechanical stress can all put sensitive equipment at risk. That means the enclosure needs to be selected with the environment firmly in mind.

That’s why Spelsberg develops industrial enclosures for demanding outdoor applications, with high levels of ingress protection, UV resistance and options designed for challenging environments including agriculture, industry and marine use.

These capabilities are already being put to work in a huge range of real-world settings — from coal conveyor systems and ship lifts to smart parking technology, outdoor lighting and EV charging.

Explore our outdoor enclosure solutions and see them in action: https://www.spelsberg.co.uk/solutions/enclosure-technology/areas-of-application/unprotected-outdoor-areas/

Which enclosure is right for your – and your application?It’s a simple question, but the answer can depend on everything...
15/09/2026

Which enclosure is right for your – and your application?

It’s a simple question, but the answer can depend on everything from where it will be installed to the size, protection rating and environmental conditions.

Our Enclosure Finder makes that choice easier. Work through a short series of questions about your application and requirements, and the tool will narrow down the options to help you find a suitable enclosure.

Whether you’re planning a standard indoor installation, working in an industrial environment or specifying equipment for exposed outdoor use, it helps turn your list of requirements into something practical.

Try the Spelsberg Enclosure Finder here: https://www.spelsberg.co.uk/solutions/enclosure-technology/enclosure-finder/

Even when space is tight, a distribution board needs to be easy to work with.Spelsberg’s AK Compact range is built for t...
08/09/2026

Even when space is tight, a distribution board needs to be easy to work with.

Spelsberg’s AK Compact range is built for those situations where installers need reliable protection without unnecessary bulk – making it perfect for applications ranging from workshops and technical rooms to residential and smaller commercial projects.

As well as being compact, the design puts installation speed front and centre. Tool-free cable insertion, tool-free DIN rail mounting, integrated PE/N terminals and dedicated clamping pockets all help make wiring quicker, neater and easier to manage.

With protection up to IP65 and IK08, the AK Compact combines a small footprint with the practical features needed for everyday installation work.

Learn more: https://www.spelsberg.co.uk/small-distribution-boards/standard-indoor-installation/

What keeps someone with the same company for 15 or even 20 years?For McCusker and Lloyd, it has meant growing with Spe...
02/09/2026

What keeps someone with the same company for 15 or even 20 years?
For McCusker and Lloyd, it has meant growing with Spelsberg, taking on new challenges and helping shape the business along the way.
That’s why we’re proud to recognise Clare for 15 years of service and Chris for 20. Both began at Spelsberg in territory sales roles before progressing into senior positions, and both have played an important part in supporting customers, delivering key projects and making our business what it is.
Read more about their stories here: https://www.spelsberg.co.uk/news/news-press/detail/dedicated-leadership-team-drives-great-customer-service/

In a fire-protection circuit, a junction box is not always just a junction box.Sometimes the job is simply to connect or...
26/08/2026

In a fire-protection circuit, a junction box is not always just a junction box.

Sometimes the job is simply to connect or extend a fire-resistant cable. In other cases, a downstream branch needs its own fuse. And sometimes the supply must continue through the installation while a separate branch receives independent protection.

Choosing between these approaches can have a major impact on fault isolation, maintenance and the ability of critical systems to keep operating during a fire.

Our latest article looks at the difference between standard connection, fused and safeguarded fused fire-protection enclosures, and explains where each approach fits within a wider electrical safety strategy.

Read the full article here: https://www.spelsberg.co.uk/news/news-press/detail/fire-protection-enclosures-choosing-between-connection-fused-and-safeguarded-fused-versions/

Adding new power connections to an existing cable run can quickly become a bigger job than expected, especially in tunne...
18/08/2026

Adding new power connections to an existing cable run can quickly become a bigger job than expected, especially in tunnels, industrial plants and other demanding environments.

Spelsberg’s Rapid-Box is designed to make the process simpler. It enables tap conductors to be added to uncut copper cables up to 50 mm², allowing new sockets, lighting or other equipment to be connected without cutting the existing supply cable.

The enclosure can be mounted horizontally or vertically on walls, ceilings or cable trays, while robust, UV-resistant materials and options for functional integrity support use in challenging installations.

For retrofit projects in particular, that means a faster route to adding new connections with less disruption to the existing system.

Find out more about Rapid-Box here: https://www.spelsberg.co.uk/highlights/rapid-box/

Outdoor and industrial installations have to contend with far more than rain.UV exposure, dirt, dust, chemicals, tempera...
11/08/2026

Outdoor and industrial installations have to contend with far more than rain.

UV exposure, dirt, dust, chemicals, temperature changes and physical impact can all threaten the equipment inside an enclosure. That’s why Spelsberg’s GEOS range is designed to provide dependable protection against these demanding conditions while remaining flexible and straightforward to install.

Manufactured from robust polycarbonate, GEOS enclosures offer corrosion resistance, high weather and UV resistance, and IK09 impact protection. The Drain Protect system helps channel rain and snow away from the enclosure seal, reducing the risk of moisture ingress.

Tool-free mounting brackets, several fixing options and a wide choice of sizes and covers also help users adapt the enclosure to suit the needs of each installation.

Learn more about the GEOS range here: https://www.spelsberg.co.uk/geos-industrial-and-outdoor-enclosures/

Address

Unit 1B/Queensway Business Park
Telford
TF16AL

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+441952605849

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