Unitron 90 kVA Towable Ground Power Unit (GPU) - UFC-90T-420UDC

The Unitron UFC-90T-420UDC is a 90 kVA towable ground power unit (GPU) that delivers 115/200V, 400 Hz AC aircraft power plus 28 VDC output for hangar and ramp operations. It operates on a three phase 480V facility input and is configured with the Model 420 UDC package, providing continuous 28 VDC ground power with higher overload capacity for support and engine start requirements.

Key Specifications

• Input: 480V, 3 phase, 50/60 Hz
• Maximum full load input current: 116 amps
• Output 1 (AC): 115V L N / 200V L L, 3 phase, 400 Hz, 261 amps
• Output 2 (DC): 28 VDC, 425 amps continuous
• DC overload: 600 amps for 1 hour
• Engine start capability: adjustable up to 1600 amps for 1 minute or 2000 amps for 30 seconds

Input

• Voltage: 480V, 3 phase
• Frequency: 50/60 Hz
• Maximum full load input current: 116 amps

Output 1 (AC 400 Hz)

• Voltage: 115V line to neutral / 200V line to line
• Phase: 3 phase
• Frequency: 400 Hz
• Output current: 261 amps

Output 2 (DC)

• Voltage: 28 VDC
• Continuous output current: 425 amps
• Overload rating: 600 amps for 1 hour
• Engine start capability: adjustable up to 1600 amps for 1 minute or 2000 amps for 30 seconds