Jetall GPU JTL28TR-400
Jetall GPU, Model JTL28TR-400 - Image 2
Jetall GPU, Model JTL28TR-400 - Image 3

Jetall GPU, Model JTL28TR-400

JetAll GPU Model JTL28TR-400 is a high-performance 28.5V DC ground power unit designed to provide reliable power for aircraft during ground operations. This electrically powered GPU delivers strong starting capability and stable output, making it ideal for aircraft maintenance, engine start support, and ramp operations. With efficient power delivery and adjustable current control, it ensures safe and consistent performance in demanding aviation environments.

Request More Information

Category:

GPU, Transformer/Rectifier Kit; New

Jetall GPU, Model JTL28TR-400

New product from Jetall GPU. This 28.5 VDC TR unit has a 30 KVA capacity and can be installed on a 400 Hz AC Generator. It comes as a complete kit ready for installation.

  • Output: 28.5 VDC, 1000 amps continues, 2200-amp peak starting
  • Current limiting: adjustable from 300 to 2000 amps
  • Unit is self-contained and weatherproofed.
  • Manuals: Operational, maintenance, and parts
  • Paint: Baked Powder Coating, White
  • Dimensions: L=39”; W=18”; H=10”
  • Weight: 450 lbs. (shipping)

Options:                                                               

  • Kit includes installation at our facility.
  • DC Output cable, 6.1m (20’), 2 AWG.
  • DC Output cable, 9.2m (30’), 4 AWG.

Specifications

Engine

  • Perkins 1106D-44E operating at 2,000 RPM
  • Turbocharged 4-stroke, 6 cylinders, 142 kW
  • 12 VDC battery system
  • Low oil pressure shutdown
  • Intake air restriction indication
  • Electronic governor system
  • Automatic cold weather start assists system

Generator

  • Rating: 140 KVA, 0.8 PF, 400 Hz 200 volt L/L nominal; adjustable ± 10-15%
  • 3 Phase, 4 wire wye connected, grounded neutral, revolving field, brushless, self-cooling, single bearing rectifier assembly, insulation class H

Overload

  • 125% rated load for 10 minutes, 150% for 10 seconds

Regulation

  • 125% rated load for 10 minutes, 150% for 10 seconds

Protection

  • Over-voltage: instantaneous disconnect of load at 180 volts L-N, with inverse time delay down to 126 volts in 2 seconds
  • Under-voltage: disconnects output below 100 volts L-N in 7 seconds
  • Over-frequency: disconnects output above 420Hz in 5 seconds
  • Under-frequency: disconnects output below 370Hz in 5 seconds

Finish

  • Powder Coat paint provides excellent weather resistance, flexibility and adhesion, plus a strong resistance to chemical agents such as glycol, Skydrol and Jet A
  • Standard color is High Gloss White
  • Custom colors require a paint chip or swatch for accurate color match

Display / Instrumentation

Engine

  • Meters: coolant temperature, RPM, hour meter, oil pressure, voltmeter, fuel quantity, fault indications
  • Indicator lights: engine circuit on, air cleaner restriction, high coolant temperature, low oil pressure, engine stop delay action, and low fuel
  • Switches: engine start, engine stop, panel lights
  • Delayed shutdown for turbocharger protection

Generator

  • Meters: frequency, ammeter, and voltmeter
  • Indicator lights: contactors on, over-frequency, under-frequency, current overload, over-voltage, under-voltage
  • Switches: meter select, output contactors control, test / reset

Optional Equipment

  • Transformer-Rectifier pack for 28.5VDC with current limiting, 800-amp continuous load and 2,200 peak; output cable, 10 meters
  • AC outlet 110/220 volt, 20 amps kit
  • Indicator beacon, tow and running lights
  • Cold weather kit and battery blanket (120 volt)
  • Second output (120 KVA & 140 KVA models)
  • Low fuel warning kit
  • Low coolant level, warning kit
  • One (1) 10 meter, 400 Hz output cable
  • Two (2) 10 meter, 400 Hz output cables
  • Amber flashing beacon mounted on roof
  • Weatherproofed gauge mounting

Download Specifications

Related products