110v Site Transformers

Built for UK construction sites — safe, reliable 110V transformers you can depend on.

Power your tools and lighting safely with our range of 110V site transformers, trusted by UK contractors and built for demanding site conditions.

✔ 110V centre-tapped earth (CTE) for site safety
✔ Built for construction, workshops & industrial use
✔ Durable, impact-resistant designs
✔ Fast UK delivery available

Not sure which transformer you need? See our quick guide below 👇

Which 110V Transformer Do I Need?

Choosing the right transformer depends on the tools or lighting you're using:

1kVA – Light-duty tools and small lighting setups
1.5kVA–3kVA – Most common for general site use
5kVA – Heavy-duty tools or multiple devices
10kVA – High-demand applications, multiple tools or larger site setups

Need help choosing? Contact us — we’ll make sure you get the right size first time.

Tip: Always choose a transformer rated higher than your total load.

Safe, reliable 110v site transformers for UK contractors

Power your 110v lighting and tools with site transformers from leading UK manufacturers Red Arrow, Briticent and Connexion Electrical. All products are supplied direct from UK distribution depots for fast, reliable delivery.

Why choose 110v transformers from CMD

Direct supply from trusted brands including Red Arrow, Briticent and Connexion Electrical
Available in a range of sizes for both lighting and heavy duty tool use
Built to tough site standards with IP ratings where stated
UKCA and CE approved, compliant with UK site requirements
Fast delivery direct from manufacturer depots