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Harland Simon UPS Ltd

  • Bond Avenue
  • Bletchley
  • Milton Keynes
  • Buckinghamshire
  • United Kingdom
  • MK1 1TJ (map)

  • Tel: 01908 565656
  • Fax: 01908 569400
  • Website:


  • Daniel Conroy, Sales Manager
  • Scott Billson, Commercial Sales Manager
  • Andy Parfitt, Defence Sales Manger
  • Paul Lane, Service
  • Number of Employees: 1 - 20


Harland Simon UPS is a leading independent provider of Single and Three Phase AC and DC Uninterruptible Power Supplies (UPS). We have a longstanding and well respected reputation for designing and manufacturing a comprehensive range of  UPS and Power Protection Solutions and  Products.

Harland Simon Power Solutions offers three levels of UPS Power Systems ranging from 300VA - 800kVA . 

  • Level 1 - standard COTS (Commercial Off The Shelf) 
  • Level 2 - Rugged, this can involve a few simple modifications to a UPS to conform to stringent testing according to the end usage. 
  • Level 3 - Complex customisation, involving redesign and very often rebuild to the customer’s specific requirements.

As well as manufacturing our own range of UPS Power Systems we are an approved reseller of standard UPSs and an engineering partner of several of the world's largest UPS Manufacturers. We can supply CE Marked AC & DC products from the following UPS manufacturers:

  • Ablerex
  • Alpha Technologies
  • APC
  • Borri
  • Chloride
  • Eaton
  • Effekta
  • Emerson Liebert
  • Gamatronic
  • Riello
  • Phoenix Contact
  • Siemens

Market Sectors

Our company has provided first class Products and Services for over 12 years and continues to do so to all Market Sectors including Commercial (Building Services, Comms/IT, Site Services & UPS Partnerships), Defence/Military (Air, Land, Sea and Joint Services), Industrial (Manufacturing, Marine/Petrochemical, Transportation and Utilities) and the Public Sector (Education, Government, Health and Services).

Marine UPS

Marine UPS

Harland Simon offers the Eaton range of Marine Certified AC UPS systems ranging from 1kVA up to 3kVA plus larger systems with redundancy.

The standard commercial UPS modules are modified in the Helsinki factory to meet more demanding marine requirements. 
Harland Simon also offers a comprehensive range of high reliability DC Power Solutions supplied in purpose built enclosures complete to the customer requirements and suitable for the proposed environment.

All Custom UPS Solutions can be Marine Approved to ABS, DNV, Lloyds, etc.   These products are designed and tested to meet the harsh environment requirements and are normally fitted with Anti Vibration Mounts and protected to IP22 minimum. Larger systems may also include special batteries fitted on Seismic Offshore Racks.

These products are being utilised all over the world on oil rigs, ferries and commercial shipping name but a few.

Military UPS

Military UPS

Harland Simon is fast gaining recognition within the Defence/Military Industry for providing Military UPS for durable use in the theatre of action and for the Navy, more recently the new Type 45.  We have supplied to BAe, Ultra, Raytheon, Rolls Royce and Steatite to name but a few.

We offer a range of fully flexible options of Rugged AC & DC Power Solutions which can be either built into transport cases suitable for rapid deployment in outdoor defence applications or built into 19” rack modules suitable for installation into customer’s racks for land and sea applications or our System Integrated, which can be built into custom housings designed for installation into customer’s equipment where space is at a premium.  Finally, our Free Standing systems are designed to be located within the customers' space constraints.  These Free Standing Systems include additional Environmental Protection including IP Rating, Vibration, Shock, etc.

Industrial UPS

Industrial UPS

Our range of Integrated Industrial UPS systems are built into Wall Mounted or Floor Standing IP54 Enclosures  which protect the UPS system from water ingress.  We have designers and engineers who can provide a CAD drawing for approval prior to the build.  Our large Custom built AC or DC systems are made up with UPS, Extended Runtime Batteries, Distribution, Transformer, Fans and Roof Cowls to prevent dust and water from entering the highly sensitive area within the enclosure.
Our Stainless Steel UPS enclosures are used for Pharmaceutical applications but are also ideal for Marine/Coastal Environments as Stainless Steel Cabinets won't rust in the Saline atmosphere.

Extended Runtime Battery Cabinets

Extended Runtime Battery Cabinets

Harland Simon supply fully assembled Free Standing Battery Cabinets  to accommodate Extended Runtime Batteries and Chargers for any system.  We always source from the best including Yuasa, Enersys and Alcad.  We also provide loose components for the customer to install into their own panel or fully assembled 19" Tray Systems for installation into the customer's own 19" enclosure. 

Products and Solutions

In summary Harland Simon UPS can provide expert advice and solutions on the following:

  • AC UPS and Power Solutions
  • DC UPS, Chargers/Rectifiers, Trippers and Power Supplies
  • Harsh Environment UPS
  • Battery Solutions including Extended Runtime Battery Cabinets
  • Commercial Power Solutions
  • Defence Power Solutions
  • Industrial Power Solutions
  • Public Sector Power Solutions
  • Marine UPS
  • IP54 Enclosures
  • Bypass Switches
  • Diesel Generator Sets
  • Inverters/Converters


We offer free site surveys for any application and our technical capabilities cover from initial design to life of product support to include:

  • Customised and Bespoke Products
  • Pre-Sales Support
  • CAD Design and Engineering
  • Project Management
  • Project Specific Documentation
  • Factory and Site Testing
  • Site Installation
  • Service and Maintenance Plans

We offer High Class Service Solutions throughout the UK, above and beyond the standard warranty offered on all our UPS and DC systems. Factory certified trained UPS Engineers deliver all year round support, 24 hours a day, all backed by the LRQA ISO9001:2008 Quality Seal of Approval.

Service is provided by our team of highly Qualified and Experienced Technical Support and Field Service Engineers.

Our Services include:

  • Corrective and Preventative Maintenance
  • Battery Sales, UPS Installation (including Method Statements and Risk Assessments)
  • Warranty/Maintenance Contracts and OEM Spare Parts

In summary Harland Simon can provide any solution for your backup power requirements from the most basic of UPS to the more complex design and build UPS Power Systems.

Call Applegate +44 (0)845 600 7177