Unitron UDC-420 28V DC Aircraft Rectifier (GPU)

Unitron UDC-420M
Unitron UDC-420M
Manufacturer: Unitron
Part Number: UDC-420M
Condition: New
Lead Time: In-Stock
On Hand: 2 (subject to prior sale)

Get a Quote or Ask a Question

Simply fill out the form below and you will receive a quote via email shortly.
Name:
E-Mail:
Company Name:
Phone: (optional)
Questions/Comments: (optional)
Customers who viewed this item also viewed:
50Hz/60Hz, 800A Continuous / 1600A Peak Start
60Hz - 600A Continuous / 2000A Peak Start - Single Output
50Hz - 600A Continuous / 2000A Peak Start - Dual Output
50Hz/60Hz, 800 - 1000A Continuous / 1800 - 2400A Peak Start
Unitron GPU Distributor

The new and reliable way to power your aircraft is the Unitron UDC-420. It is a 28V DC rectifier with 425 amps continuous and 1600 amps max for use in the hangar or ramp environment. This unit operates on 3 phase input voltage (50 hz or 60 hz).

Highlights and Benefits

  • Over voltage protection
  • Under voltage protection
  • Voltage regulation to 28.5V DC +/- 0.5 V at all times
  • Output amperage can be limited to as low as 150 amps - fully adjustable
  • Line drop compensation - accounts for voltage drop in supply cable
  • Only unit to meet 18" fire code regulations
  • Half the weight of competitors

Standard Features

  • P55
  • Certified to UL 1012
  • Indoor/Outdoor (Hangar/Ramp)
  • Use Automatic Input Line Monitoring
  • 8000 Event Log / Diagnostics
  • TCP/IP/Ethernet Interface (Modbus)
  • 10% Power Regulation
  • Internal Communication Ports - USB, RJ45 (Ethernet), RS485 (Modbus), & RS232
  • External Communication Ports - RJ45 (Ethernet) & USB
  • Emergency Power "OFF" Switch
  • 18-Inch Hazard Area Clearance
  • Voltage and Current Monitoring
  • Elapsed Time Meter Access
  • Front Panel Voltage Adjust
  • Front Panel Summary Fault Indicators
  • Input & Output Cable handle
  • Input High Voltage Transient Protection
  • Output Current Limit Adjust from 150 to full rated current
  • Multi Language (Romanization) Display - English, French, German, Italian, Portuguese, Russian and Spanish, Others - Specify

Input

  • Voltage: 208-240V and 380-480V, +/- 10%, 3 or 4 wire plus ground (Specify manual tap position at time of order)
  • Frequency: 50 - 60 Hz +/- 10%
  • Phase Rotation: Any
  • Protection: Over/undervoltage, loss of phase, overcurrent, short circuit. Voltage transient protection IAW IEEE C62.41.1, Location Cat. B/C
  • Inrush Current: No greater than 100% of full load current
  • Output

  • Full Rated Load: 425 amps continuous
  • Engine Start Capacity (10% duty cycle): Adjustable up to 1600 amps for 35 seconds or 2000 amps for 30 seconds
  • Overload (10% duty cycle): 600 amps for 1 hour 1000 amps for 1 minute
  • Voltage: 28 VDC, 2 wire, grounded negative
  • Voltage Regulation
    • 100% continuous rated load and +/-10% input voltage ; +/- 0.5%
    • No load to rated load with nominal input voltage; AW ISO 6858 and MIL-STD-704F
    • Overload with nominal input voltage; See start mode curves
  • Voltage Adjust: 28 VDC +/- 10%
  • Current Limit Adjust: 150A to full rated current
  • Protection: Overload, short circuit, over voltage and safety disconnect
  • Power Regulation: 10%
  • Environmental

    • Acoustical Noise: 65 dBA maximum at 5 feet (1.5m)
    • Temperature Range: -40 degrees C to +55 degrees C
    • EMI/RFI: Compatible with aircraft systems
    • Relative Humidity: 10 - 95%, Non-Condensing
    • Ingress of Water: Type 3RX, IP55

    Mechanical Specs

    • Dimensions: See image on listing.
    • Weight: 340 lbs (154kg)
    • Enclosure: NEMA 3RX Corrosion Resistant
    • Cooling: Forced Convection

    Standards

    • ISO 461-1/2 - Aircraft - Connectors for Ground Electrical Supplies
    • ISO 1540 - Characteristics of aircraft electrical system
    • ISO 6858 - Aircraft ground support electrical supplies
    • MIL-STD-704F - Aircraft electric power characteristics
    • MIL-STD-1472 - Human Engineering Design Criteria
      Alternate Models
      400Alternative PN
      600Alternative PN
      Compatible Aircraft*
      ATR42, 72
      AdamA500, A700
      AerospatialeNord 262
      AgustaAW139 (AB139)
      Airbus Military (CASA)212-100, 212-200, C-295, CN-235/HC-144A
      BAeJetstream 31, Jetstream 41
      Bell204, 205, 206B3, 206L4, 206LT, 212, 214, 214ST, 222, 230, 412, 427, 429, 430, CH-139, OH-58, TH-67, UH-1, UH-1H
      Bombardier (Business)C-21, Challenger 300, Challenger 350, Learjet 23, Learjet 24, Learjet 31, Learjet 31A, Learjet 35, Learjet 45, Learjet 55, Learjet 60, Learjet 70, Learjet 75
      Bombardier (Regional)CRJ100, CRJ1000, CRJ200, CRJ700, CRJ705, CRJ900, Dash 7, Dash 8-100, Dash 8-200, Dash 8-300, Dash 8-400
      Britten NormanIslander/Trislander
      Cessna402, Bravo, Caravan 208, Caravan 208B, Caravan 406, Citation 560 XL, Citation 560 XLS, Citation 650, Citation CJ1, Citation CJ2, Citation CJ3, Citation Encore 560, Citation I 500, Citation I/SP 501, Citation II 550, Citation III, Citation IV, Citation M2, Citation SII, Citation Sovereign 680, Citation Ultra 560, Citation V, Citation VI, Citation VII, Citation X 750, Mustang 510
      DassaultFalcon 10-100, Falcon 20-200, Falcon 2000, Falcon 2000EX, Falcon 50, Falcon 50EX, Falcon 7X, Falcon 900, Falcon 900EX
      Eclipse500
      EmbraerEMB-110, EMB-120, ERJ-135, ERJ-140, ERJ-145, Phenom 100, Phenom 300
      EurocopterAS330 Puma, AS365N Dauphin, BK-117, BO-105
      Fairchild/DornierMetro Merlin III, Metro Merlin IV
      General DynamicsConvair 580, Convair 600, Convair 640
      Hawker BeechcraftBeech 1900, Beech 99, Beechjet 400A, C-12, Diamond, Hawker 1000, Hawker 4000 (Horizon), HS-125 400 Series, HS-125 800 / 850 / 900 Series, King Air, Premier, T-1 Jayhawk, T-400, T-6A Texan II
      IAIAstra, Westwind 1, Westwind 2
      LockheedJetstar C-140
      PiaggioP-180 Avanti
      PilatusPC-12, PC-9
      Saab2000, 340
      Sabreliner40 Series, 60 Series, 70 Series
      Shorts330, 360
      SikorskyCH-148, H-92 Superhawk, S-65 (CH53, HH53, MH53, Sea Stallion), S-76 (AUH-76), S-92
      Sino SwearingenSJ30-2
      *This list is for general reference only and may not be entirely acurate for all aircraft. Please confirm all equipment meets the requirements of your aircraft with the owners/maintenance manuals prior to purchasing or using with your aircraft.
      Shipping Information
      Pkg. 1 Weight780 lbs.
      Pkg. 1 Dimensions56 in. x 53 in. x 52 in.
      Pkg. 1 TypeCrate
      Freight Class85
      Freight NMFC62900
      Servicing

      We service the UDC-420M and other items like it at our facility.

      A few of the common services we offer for this item are:
      • Overhaul / Refurbishment
      • Troubleshooting
      • Load Bank
      Parts

      We sell parts for the UDC-420M and other items like it at our facility. Not sure exactly what part you need? Just describe it or send us a photo and we will research it for you.

      A few of the common parts we offer for this item are:
      • AC Input Cable
      • DC Output Cable
      • DC Voltmeter
      • DC Ammeter
      • PDF Manuals
      Renting

      We provide short-term and long-term rentals for the UDC-420M. We will ship the item directly to you and arrange for pickup at the end of your lease.

      Sell or Trade-In

      We can purchase your used UDC-420M (or similar GSE items like it) and apply it as a credit for new GSE, or buy it outright directly.