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TLD GPU-406-E-CUP-28 60 kVA AC & 28V DC Diesel Ground Power Unit

SKU 2006644 Categories ,
Legacy AERO Product ID: GPU-406-E-CUP-28
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The TLD GPU-406-E-CUP-28 Aircraft Ground Power Unit features an optimized 1,846 RPM brushless revolving field generator, which efficiently produces 60 kVA (60 kW) 400 Hz AC and 28V DC power to start and service AC/DC powered aircraft. Designed with operators in mind, the GPU-406 Ground Power Unit’s full-size performance comes in a compact size, allowing for easier handling and better mobility near aircraft while reduced sound levels ensure customer and passenger comfort. Powder-coated aluminum and fiberglass panels that surround a rugged galvanized steel chassis are a durable, yet lightweight alternative to traditional designs. Mobility is enhanced by a rubber torsion axle, tight turn radius fifth-wheel steering, simple direct-acting brakes and a safe no-drop towbar. The unit’s engine can meet U.S. Tier 4i and EURO emission standards. Other engines options are available that will meet the specific regulatory needs of your geographic location.
The GPU-406-E-CUP-28 comes standard with the 28.5 volts DC power output package. The 28V standard option creates dual outputs for a 60 kVA 400 Hz AC and 28 VDC combination aircraft ground power supply.
NOTE: Sales territory restrictions may apply, please contact us for more information.
NSN: 6115-01-160-6612
Compares to Jetall JTL60D, Tug Technologies/Davco GPU 400/60, FCX Systems GPU060-C & GPU060-1.

Dimensions: 112" L x 68" W x 65” H (284 x 173 x 165.1 cm)

Weight: 4,895 lbs. (2,200 kg.)

  • Second 400 Hz output
  • Beacon: Amber or red, flashing or rotating
  • Low fuel warning with shutdown or rampdown
  • Engine block heater
  • Fuel filter/water separator with heater
  • Cable plug stowage/towbar brake interlock

Engine Specifications:

  • 24 volt starting motor
  • Heavy-duty spark arrestor / silencer
  • Pusher type fan
  • Full-flow oil & fuel filters
  • Dry-type air cleaner
  • (2) 12-volt batteries
  • Low coolant shutdown

Generator Specifications:

  • 400 Hz 115/200 volts nominal
  • +/- 15% adjustable
  • 3 phases
  • 4 wire wye-connected
  • Grounded neutral
  • Revolving field
  • Brushless
  • Self-cooling
  • Single bearing
  • Direct engine connection
  • Transformer rectifier: 28.5 VDC with current limiting - 800 amps continuous, 2500 amps peak.

Electrical Characteristics:

  • Meets MIL-STD-704F
  • Voltage regulation: +/- 1% over full load range
  • Voltage transient: +/- 13.8% no load to full load
  • Voltage transient recovery time: +/- 1% of nominal voltage within 100 milliseconds
  • Voltage modulation: 0.5% at steady state
  • Phase balance: <1% at balanced 3 phase load. <4% at 1/3 load on 1 phase and no-load on 2 phases
  • Harmonic content: THD <2%. Any 1 phase harmonic <1.5% at 0.8 PF linear load
  • Crest factor: 1.414 +/- 0.07
  • Frequency regulation: +/-0.1% no-load to full-load and overload
  • Frequency transient: +/- 2.5% no-load to full load
  • Frequency transient recovery time: +/- 0.5% of nominal frequency within 1.5 seconds
  • Overload rating: 125% for 5 minutes @ 0.8 PF
  • Line drop compensation: Increases up to 10 VAC L-N to compensate for aircraft cable voltage drop
  • 400 Hz data logging - downloadable via USB stick

Chassis Characteristics:

  • Easy access to all components
  • Side mounted cable trays with integral rollers
  • Fuel tank – 46 gallons for over 8 hrs of run time
  • 5th wheel steering with no-drop towbar brake
  • Forklift pockets and tie down rings
  • Cable plug holders
  • Low load ramp down/shut down
  • Externally mounted, lockable battery switch
  • Extremely low noise: 71 dbA @ 7 meters

Additional information

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