Welcome To Alan Campbell Engineering Services Ltd.

ACESL provides a range of cost effective and quick turnaround solutions to customers with DC Power applications. We can provide repairs, refurbishment or supply of replacement Rectifiers, Power Supplies, Inverters, Static Switches, Air Handling Units and the related control systems for both current and legacy products. Our global customer base, which includes some major household names, is active in the Telecommunications, Transportation, Utilities, Oil and Gas and Defence Sectors.

Phone Icon

Need Advice?

Leave your name and number and one of our experienced staff will call you back.

Call Me Back →


The combination of a highly trained, skilled workforce linked to a comprehensively equipped workshop and test room ensures that we are able to offer a right first time approach to repairs and refurbishments guaranteeing that returned units are fully functional within their intended environment.

See Our Repairs →

Stock For Sale

ACESL carries a large stock of second user and new rectifiers available for immediate despatch, which can be purchased through our online shop. Should the units you seek not be listed contact us directly as through our wide range of industry contacts we should be able to source them for you.

Visit Our Shop →