The GUINAULT GA Series comprises a range of mobile 400 Hz ground power units designed to supply dependable electrical power to civil and military aircraft in demanding airport and FBO environments.

Available in 90, 140 and 180 kVA configurations, the units provide a practical alternative to aircraft APU operation while helping reduce fuel consumption, emissions, ramp noise and maintenance costs.Built for operation in temperatures from -40°C to 50°C, the GA Series combines corrosion-resistant construction, modular components and straightforward maintenance access with reliable electrical performance.

General:
• Available in GA90, GA140 and GA180 configurations
• Nominal outputs of 90, 140 or 180 kVA
• 115/200 V, three-phase, 400 Hz aircraft power output
• Suitable for civil and military aircraft
• Designed for operation from -40°C to 50°C
• Turbo-diesel, liquid-cooled engine
• Available with Deutz or Cummins engines
• Stage 3A, Stage 4 and Stage 5 engine configurations available
• Modular design supports multiple equipment and output options
• Low-speed engine configuration available for reduced fuel consumption and noise
• Automatic idling option for additional fuel savings

Power and Protection:
• GUINAULT brushless, self-excited alternator manufactured in France
• Output voltage regulated to 115/200 V ±1%
• Frequency regulated to 400 Hz ±0.5%
• Total harmonic distortion below 3%
• Compliant with MIL-STD-704F, EN2282 and SAE ARP 5015 requirements
• Protection against overvoltage, undervoltage and overload
• Protection against overfrequency and underfrequency
• Engine protection for low oil pressure, high temperature and overspeed
• Alerts for clogged air filter and battery charging failure
• Overload capacity available for short-duration aircraft starting demands

Assembly and Mobility:
• Hot-dip galvanized frame for corrosion protection
• Polyester canopy with easy access for maintenance
• 260 L fuel tank providing approximately 8 to 20 hours of autonomy
• Lateral cable-storage trays
• Towbar-actuated braking when raised or lowered
• Leading front axle with ball bearings
• Two 12 V, 125 Ah batteries
• 600 x 9 tires
• Suitable for trailer, truck or pushback-tractor mounting

Optional 28 VDC System:
• Continuous output of 800 A
• Peak output of up to 2,400 A
• Limiting device available for ATR aircraft
• One or two DC outputs available
• Simultaneous use of 400 Hz AC and 28 VDC outputs
• Optional 56 VDC, 37 VAC and 115 V single-phase outputs
• Cable roller for easier cable handling
• Anti-towing warning system helps prevent aircraft-connection damage
• Extreme-cold starting kit and automatic oil-refilling system available

Model Outputs:
• GA90: 90 kVA nominal, with one output and optional second output
• GA140: 140 kVA nominal with two outputs
• GA180: 180 kVA nominal with two outputs