Power Systems International Ltd

Power Systems International Limited (originally 'Borri Power Systems Limited) is a niche market specialist power electronics company with over 25 years experience in the design, development and manufacture of custom engineered, special purpose power products.

Our product range:
  • Industrial uninterruptible power supply systems (UPS)
  • Auxiliary power converters
  • Rack mounting
  • Plasma Physics Magnet Power Supplies
  • Pulsed and Continuous Power Systems
  • Rectifiers
  • Inverters
  • Battery chargers
  • Photovoltaic inverters
  • 400Hz and 60Hz frequency converters
  • DC to DC converters
  • Static transfer switches
  • Power conditioners
We have supplied our AC and DC industrial power conversion systems for the following applications in North America, Europe, Middle East, West Indies, Africa and Asia:
  • Oil and gas
  • Water and electricity utilities for the process industries
  • Power stations
  • Petrochemical engineering
  • Industrial controls
  • Airport avionics
  • Navigation systems
  • Defence
  • Broadcasting
  • Medical electronics
  • Telecommunications
  • Rail transportation and signalling applications
The familiar "PSI" and "Borri Power" logos on our products and documentation are our long established brand names recognised for quality in power conversion and power security by systems users in many countries. We are ISO 9001:2000 accredited.

Power Systems International Limited
- the ultimate name in power offering the finest of European made products to discerning customers in the markets where quality and reliability is demanded.

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