Unitron Ground Power Units
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Reliable GPUs from Unitron
Unitron is a trusted leader in precision-engineered ground power units (GPUs) for aircraft and aerospace operations. Renowned for their durability and clean, dependable power delivery, Unitron systems are used worldwide by FBOs, MROs, OEMs, and military programs. Whether you’re supporting general aviation, business jets, or large commercial platforms, Unitron GPUs help minimize engine runtime, protect sensitive onboard systems, and improve operational efficiency on the ramp or in the hangar.
At Pilot John International, we offer a range of Unitron aircraft GPU models, including the popular UFC-45 and UFC-90. These 400 Hz AC power units are ideal for avionics testing, system diagnostics, and preflight operations. We also regularly stock used ground power units for sale, including professionally overhauled and serviced UFC models – giving you a cost-effective solution backed by PJi's service quality.
400 Hz Ground Power Units
Unitron’s 400 Hz frequency converters deliver dependable AC power for a wide range of aircraft ground support applications – from preflight operations to avionics testing and routine maintenance. These converters are available in standalone power ratings from 20 kVA to 180 kVA, with higher capacities supported through parallel configurations.
Designed with uptime and serviceability in mind, Unitron converters feature:
- Advanced Built-In Test Equipment (BITE) for real-time performance diagnostics
- Versatile mounting options, including mobile, towable, fixed, and bridge-mounted configurations
- Flexible power outputs, with available options for 28V DC, 270V DC, or combination AC/DC GPUs
28V DC Ground Power Units
Unitron Power Systems and FoxCart 28V DC ground power units are engineered to provide stable, continuous DC output for aircraft systems across a variety of input sources, including both 50 Hz and 60 Hz. Designed for reliability and versatility, these aircraft GPUs are offered in lightweight mobile, towable, and fixed configurations, making them well-suited for use on the ramp or in hangar environments.
In addition to aviation applications, these 28V DC units are widely integrated into power distribution systems aboard large civilian and military ships, where they deliver dependable power for helicopter decks and flight operations systems.
Available Configurations:
- Unitron Mobile/Towable – Rugged, portable ground power units built for mobility and ramp operations
- Unitron Fixed – Permanent installations ideal for hangars, test facilities, or naval platforms
- Unitron UltraLite – Compact, lightweight units designed for space-constrained environments
Why Choose Unitron GPUs from PJi?
- In-stock inventory of new and overhauled ground power units
- Used UFC-45 and UFC-90 models with complete service documentation
- Unitron spare and replacement parts available
- 400 Hz AC, 28V DC, and variable-frequency GPU options available
- Calibration and mobile service support for all aircraft ground support equipment
- Fast shipping and expert guidance from PJi's dedicated GSE specialists
Frequently Asked Questions
What products does Unitron Power Systems specialize in?
Unitron Power Systems designs and manufactures solid-state power conversion equipment for aviation, military, and industrial applications. Its product line includes aircraft ground power units (GPUs), 400 Hz frequency converters, and precision power supplies – all engineered to deliver clean, reliable electrical power for aircraft systems during ground operations.
What types of ground power units does Unitron offer?
Unitron offers a full range of aircraft ground power units, including 400 Hz AC GPUs, 28V DC units, and combination AC/DC models. These systems are available in mobile, towable, fixed, and trailer-mounted configurations to suit both hangar and ramp operations.
What are the key benefits of Unitron GPUs?
Unitron GPUs are known for their reliability, efficiency, and rugged design. They provide stable power for avionics, lighting, and other critical onboard systems – minimizing power fluctuations and enhancing equipment longevity. Built to withstand harsh conditions, Unitron ground power units are ideal for military, commercial, and general aviation environments.
How do Unitron frequency converters support aircraft operations?
Unitron frequency converters convert standard electrical input into the 400 Hz output required by aircraft systems. This enables seamless compatibility between ground infrastructure and onboard electronics, allowing operators to perform safe and efficient preflight checks, avionics testing, and routine maintenance.
What types of ground support equipment does FoxCart GSE offer?
FoxCart GSE, a Unitron brand, provides high-performance ground support equipment, including 28V DC ground power units and mobile aircraft air conditioning systems. These products are built to support ground servicing tasks such as engine starting, cabin climate control, and electrical systems operation.
What certifications does Unitron Power Systems hold?
Unitron is ISO 9001:2015 certified, reflecting its commitment to quality and continuous improvement. This globally recognized certification confirms that Unitron’s quality management system meets international standards for delivering consistent, high-quality products and customer satisfaction.
