Environmental and Power Control Systems

Unitron Power Systems

Aircraft GSE Products

Unitron designs, manufactures and services a comprehensive product line of All Electric Solid-State Frequency Converters (SSFCs), sometimes referred to as Ground Power Units (GPUs), with outputs or combination outputs of 400Hz, 28VDC, and 270VDC. These SSFCs support aircraft hangar/ramp maintenance activities as well as supply electrical power for avionics repair shops, design laboratories, and production line performance testing.more

The 400Hz units are available in power ratings from 20kVA through 200kVA and from 180kVA through 400kVA ratings when installed as a Centralized distribution system. The 28VDC power supplies or ramp maintenance/start carts are available up to 600 Amp continuous and 2000 amp start ratings. The 270VDC power supplies are rated at 30, 48, 60, and 72kWs.

All of Unitron’s Aircraft Support products are available in a myriad of configurations to suit every customer need; mobile carts, trailer mount, overhead mount, and free standing. Additionally, Unitron’s entire product line from 20kVA through 400kVA is available with an active IGBT power factor corrected rectifier which limits input current distortion to a maximum level of 5% or less. Both UL listing and CE marking are also provided.  Lastly, Unitron provides cable handling units which can be integrated into a single system including a 400Hz, 28VDC, 270VDC, or combination ground power unit.

Engineering Capability

Unitron’s engineering staff provides the highest degree of experience in solving design and development problems. This technical capability enables Unitron not only to keep abreast of new power conversion techniques but also to contribute greatly to advancing this technology. The engineering staff has a fully equipped electrical design and test laboratory and an environmental test facility. In the environmental test area, engineers conduct temperature, altitude, vibration, and humidity tests on Unitron products to ensure full compliance with design specifications. The quality of Unitron products is inherent in the design.


Unitron’s manufacturing, engineering and administrative facilities are located in Dallas, Texas. Housed in a modern, 40,000 square foot building, Unitron is equipped to manufacture both large and small power conversion products. Unitron performs all assembly work in-house. Critical component items, such as magnetics are also designed and manufactured by Unitron. All test equipment, from complex electronic analysis devices to simple handheld meters meet rigid calibration schedules.less


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Unitron Power Systems
10925 Miller Road
75238, Dallas

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