Used Unitron GFC-75M Mobile 75 kVA Ground Power Unit

Unitron GFC-75M
Unitron GFC-75MUnitron GFC-75MUnitron GFC-75M
Manufacturer: Unitron
Part Number: GFC-75M
Lead Time: Sold (but we get Unitron stock in all the time)
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The used / refurbished Unitron GFC-75M is a mobile AC 400 HZ aircraft ground power with 75 kVA output. This unit operates on 3 phase input voltage.

Standard Features

  • MIL-STD-704E, ARP 5015, DFS 400 and ISO 6858 Compliant
  • Indoor/Outdoor (Hangar/Ramp) Use
  • Automatic Input Line Monitoring
  • Automatic Line Drop Compensation (ALDC)
  • Emergency Mushroom "OFF" Switch
  • 18-Inch Hazard Area Clearance
  • Automatic Aircraft Safety Disconnect
  • Built-in Maintenance Diagnostics
  • Analog Control Panel
  • Output Voltage and Current Monitoring
  • Internal Elapsed Time Meter
  • Front Panel Summary Fault Indicators
  • Solid Cushion Tires
  • Built-in Cable Racks, Input & Output

Output Specifications

  • Power Rating: 75 kVA Output to Aircraft
  • Overload: 150% for 5 min., 200% for 20 sec.
  • Voltage: 115/200 volts, 3, 4 wire, grounded neutral
  • Voltage Regulation: +/- 1.0% under all conditions of line, balanced loads and temperature
  • Voltage Transients: IAW MIL-STD-704E
  • Frequency Regulation: 400 Hz +/- 0.01% under all conditions of line, load and temperature
  • Frequency Transients: None
  • Phase Angle Regulation: +/- 2 degree for balanced loads
  • Harmonic Distortion: 2.0% maximum
  • Protection: Overload, short circuit, over/under voltage and safety disconnect

Input Voltage Specifications

  • Voltage: 480 volts, +10%, -15%, 3, 3 wire plus ground
  • Frequency: 60 Hz +/- 10%
  • Phase Rotation: Any
  • Protection: Over/undervoltage, loss of phase, overcurrent, short circuit
  • Inrush Current: No greater than 100% of full load current

Energy Factors

  • Efficiency: 95% typical at full load, 93% typical at half load; varies depending on configuration and rating
  • Energy Efficiency Ratio: 20.0 typical


  • Acoustical Noise: 65 dBA maximum at 5 feet
  • Temperature Range: -40 degree C to +55 degree C


  • 75 kVA = 905 lbs. (411 kgs.)

Equivalent to:

This unit is equivalent to new a new Unitron UFC-75M, UFC-75.