welcome to Harland Simon

Harland Simon UPS Ltd has over 20 years experience in the Uninterruptible Power Supply business as a manufacturer of custom designed Power Systems, reaching out to a niche market within the industrial sectors.


As one of the UK’s leading UPS manufacturers we provide the option to either select an existing model from our extensive Harland ProtectUPS® range. We also specialise in custom industrial UPS systems, meeting a variety of specifications, i.e. WIMES (water), MILSTAN/DEFSTAN (defence), IACS-E10 (marine), LUL and Network Rail PADS Approved.




Following the recent HSE warning

Harland Simon UPS Limited can confirm that we, or any of our suppliers, do NOT use ICAR capacitors in any of our UPS Systems.

We have contacted all of our suppliers who have currently confirmed they have not used the named ICAR capacitors, if this changes we will update this message immediately and advise any affected customers.

Capacitor model numbers known to be affected – ICAR LNF-P3B-200-27 – ICAR LNF-P3X-200-38

what we doOur Services


    A full range of AC solutions suitable for Commercial / Marine / Defence / Industrial UPS Applications


    Utilising COTS products, Harland Simon UPS can manufacture uninterruptible power supplies and power solutions to meet with a higher operating temperature, higher vibration, higher level of EMC or higher Ingress Protection.


    As a specialist uninterruptible power supply manufacturer in the UK, we have a team of experts to design and build a Power Solution for your specification, and where a standard UPS will not be suitable. At our Milton Keynes facility, we manufacture and supply uninterruptible power supply products that meet MIL STD/DEF STAN, & Marine standards (DNV/Lloyds).


Harland Simon UPS LTD to Attend DSEI 2019

Harland Simon UPS Ltd will be exhibiting at DSEI 2019!


Factory Staff Pass Lift-Truck Operator Training

Three members of factory staff, Mick, Dom and Steve have passed a two day basic forklift training course.


Harland Simon UPS LTD – JOSCAR Approved

Harland Simon UPS Ltd. have renewed their JOSCAR certificate (2019)


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