About us

"For All Your Surge Solutions"

T1SP3/25/100/230R installed
DSP1A/SSI/120AC installed in railway signalling system
Z500HPR Installed in generator

With more than 55 years of experience as the ONLY UK manufacturer of one of the key surge arrester elements - Metal Oxide Varistors (MOV), our product range is continuously expanding across numerous markets including;

Building and Construction,  Rail and Tram TransportData Networks and TelecomsMinistry of DefenceRenewable EnergyElectrical Power GenerationElectrical Power DistributionHome and OfficeCCTV, Fire and Burglar Alarms

As a leader in the design and manufacturing of Surge Protection Devices (SPD) we can also custom-design solutions to protect your electronics against damage from lightning and transient over-voltages for a specific application.


We believe that we are unique because we:

  • Are the only UK MOV manufacturer – and one of a very few in Europe
  • Have our own UK based research and test laboratory
  • Have our own design and manufacturing capabilities
  • Offer customised product design and manufacture at standard product prices
  • Respond speedily and positively to customers needs

A diverse, worldwide customer platform, supported by local Sales & Distribution organisation has been vital in the development of our global supply capability.

We ensure that all our Product Designs,Test & Manufacturing Processes and Facilities comply with all relevant International Standards and Qualification Procedures.

  • All our products are RoHS Compliant and we are WEEE registered.
  • Our Design, Manufacturing & Quality Assurance Systems meet ISO 9001-2015
  • Products meet National & International Standards & Recognitions including UL, CEE, BS, IEC.

PD Devices History

  • 1964 - Established as Power Development (PD)
  • 1976 - (MOV) Metal Oxide Varistor Development commences
  • 2000 - Became part of Bowthorpe PLC (Spirent PLC)
  • 2001 - PD Started producing MOV’s for Bowthorpe EMP / Tyco Electronics
  • 2001 - Became PD Devices Ltd (PDDL)
  • 2001 - Tyco Electronics (TE) acquires Bowthorpe EMP
  • 2005 - PDDL starts manufacturing complete SPD products for TE
  • 2009 - PDDL acquires Bowthorpe EMP from TE
  • 2016 - Entered a partnership with AN Wallis (part of the Albatha Group), Specialists in Lightning protection systems and earthing
SPM-A1SPM-40-230N-install
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Contact Us

PD Devices Ltd
Unit 1, Old Station Yard
South Brent
Devon, TQ10 9AL
United Kingdom
 
VAT Registration: 782 1267 25
Company Registration: 4253515

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