Power Systems International Ltd


Here at Power Systems International, we specialise in the supply of a wide range of power systems including:

  • Aircraft Ground Power
  • Emergency Power Systems
  • Industrial UPS Systems
  • DC Systems
  • Auxiliary Power Converters
  • Frequency Converters
  • Plasma Physics Power Systems

With over 25 years of experience, we offer power systems and technical support to civil and military aviation, aerospace, marine, transportation, public buildings, telecommunications and medical sectors to meet specific requirements.

Lift Power Systems

As a recognised name for high quality and proven technology, we design and manufacture emergency lift power systems for evacuation lifts and lighting. All of our lift power systems are BS9999 compliant and are installed on emergency evacuation elevators in public buildings including libraries, schools and hospitals.

Please visit our website for further information on lift power systems.


Lift Power Systems

Aviation Ground Power Units

We specialise in the supply of aviation ground power units including power cables and connectors, cable reelers and hatch pins. Our 400Hz power airport ground support system is suitable for use with all kinds of aircraft. This unit converts 50Hz or 60Hz mains electricity into the 400Hz power required to power aircraft.

We design flexible and cost effective systems for mobile and fixed outdoor installation. Contact us to find out more about aviation ground power units.

Aviation Ground Power Units

Industrial UPS Systems

Industrial UPS systems are designed to provide power when the main power source fails, especially in an emergency. If you have equipment that requires protection from power cuts or surges look no further.

We supply a variety of industrial UPS systems to meet individual requirements. Our current range includes:

  • Custom engineered grade (CEG) UPS systems
  • E20 series
  • RTC series
  • Rack mounting UPS systems

Contact us for further information or a quote.

Industrial UPS Systems


At PSI, we provide inverters to convert DC to AC to suit a variety of industrial circuit loads. Our range of inverters are used by public utilities companies, HV sub stations, network control centres and nuclear power stations as well as surveillance centres, broadcasting corporations and telecommunication companies.

Our range of single and three phase inverters includes:

  • Rack mounting inverters
  • Photovoltaic inverters
  • Industrial inverters

DC Systems

Our DC systems convert AC into DC via a process known as rectification. These are designed for charging a variety of batteries and are often used in the telecommunications, power generation, energy lighting and process industries where DC loads are required.

Our DC systems include single charger systems and dual charger systems with features including:

  • 24V, 48V, 120V, 220V, 400V, 750V
  • 20 Amps to 2500 Amps
  • Compact robust design
  • High Efficiency
  • Low maintenance
  • Custom engineered specials

Please contact us here at PSI for more information on any of our products.


DC Systems
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