Tronair 112850D0100 28V DC Dual Output GPU - 50 HZ - Dual Output

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The Tronair 112850D0100 / 112850D0200 28V DC aircraft rectifier / ground power units (50 HZ voltages) provides DC ground power to the aircraft while in the hangar or on the ramp. These units operate on 3 phase input voltage (50 HZ), and this model is a dual output unit with two aircraft connector cables..

Options Available

Please request any options at time of quote.
  • Available with either a 100', 50', or no input cable depending on your specific needs

Standard Features

  • 2 year Tronair Platinum warranty
  • Under 52dB during normal operation, 60dB maximum
  • Clean power, low voltage ripple <.2 VDC RMS
  • 15 A, 220 VAC, duplex GFCI weatherproof receptacle with cover on 50 Hz Models
  • MIL-STD-704F and 18" NEC compliant
  • Energy saving thermal control cooling fan
  • Low profile fits under most wings
  • Sturdy all weather IP54 enclosure with cord hangers
  • Long life LED indicator lights that double as diagnostic tool
  • Main disconnect switch
  • DC On/Off switch
  • Emergency stop switch
  • Large 9 in (23 cm) rubber ridgid and lockable swivel casters for easy maneuverability
  • Adjustable current limit output
  • Simple to use
  • Easy to change multi-volt transformer
  • Finish: Durable Powder Coat Tronair Blue
  • CE marked

Cable Lengths

  • 20 ft (6.1 m) and 50 ft (15.24 m) output cable with AN2551 aircraft DC connector on Dual Models (NOTE: 50 ft cable NOT used for starting engines)
  • 50 ft (12.2 m) input cable [100 ft (30.5 m) input cable optional] electric plug not included on input cable

Input Voltage

  • Input - Voltage Range 200-480V +/- 10%+/- 10%
  • Input - Power 25 KVA
  • Input - Phase 3
  • Input - Frequency 50 Hz


  • Voltage 28.5 VDC
  • Current Limit (Adjustable) 100-2000 max amps DC
  • Continuous Power 600 amps at 28.5 VDC
  • Starting Power 2000 amps


  • Output over/under voltage
  • Output over current
  • Input phase loss detection, missing phase
  • Input over/under voltage
  • Input Circuit Breaker 100 amps
  • Transformer over temperature
  • SCR over temperature

Thermal Protection

  • Cooling fan temperature controlled variable speed

Height33 (84) in (cm)
Input60 Hz
Input Cable50 (15.2) ft (cm)
Length42 (107) in (cm)
Output CableDual
Voltage208-415 volts
Weight750 (340) lb (kg)
Width33 (84) in (cm)
Alternate Models
112850D0200Alternative PN - 100' AC Input Cable
General Information
Part #112850D0100
Shipping Information
Freight NMFC62900
Schedule B8504404000
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