Unitron 75 kVA with 28V DC - Mobile Unit - UFC-75M-420UDC / UFC-75M-620UDC

The Unitron 75 kVA with 28V DC PwrKart series is a lightweight AC / DC mobile GPU for aircraft ground power applications in the hangar or ramp area. The dual output AC/DC PwrKart provides simultaneous AC and DC power from a single unit.

Features

• IP55
• Certified to UL 1012
• Indoor/Outdoor (Hangar/Ramp) Use
• Less than equal to 5% Input Current Distortion at max load
• Automatic Input Line Monitoring
• Advanced Integrated Display (AID) Console
• 8000 Event Log / Diagnostics
• TCP/IP/Ethernet interface (Modbus)
• Internal Communication Ports - USB, RJ45 (ETHERNET), RS485 (Modbus), & RS232
• External Communication Ports - RJ45 (ETHERNET) & USB
• 15% Automatic Line Drop Compensation
• Emergency Power "OFF" Switch
• 18-Inch Hazard Area Clearance
• Voltage, Current, & Frequency Monitoring
• Front Panel Voltage Adjust
• Elapsed Time Meter
• Sleep Mode
• Front Panel Summary Fault Indicators
• Output Current Limit Adjust from 150A to full rated current
• Input & Output Cable Racks
• Input High Voltage Transient Protection
• Multi Language (Romanization) Display -English, French, German, Italian, Portuguese, Russian and Spanish, Others - Specify

AC Input

• Input Current Distortion: less than/equal to 5%, typically 3%
• Voltage: 380 to 480 volts, +10%, -15%, 3O, 3 or 4 wire plus ground (Alternate voltages -208V-240V 3 PH)
• 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

DC Output - Option 1 - UDC-420

• Full Rated Load: 425 amps continuous
• Engine Start Capacity (10% duty cycle): Adjustable up to 1600 amps for 35 seconds, 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: IAW ISO 6858 & 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
• Automatic Line Drop Compensation (ALDC): 10%

DC Output - Option 2 - UDC-620

• Full Rated Load: 600 amps continuous
• Engine Start Capacity (10% duty cycle): Adjustable up to 1600 amps for 1 minute or 2000 amps for 30 seconds
• Overload (10% duty cycle): 1000 amps for 10 minutes
• 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: IAW ISO 6858 & 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
• Automatic Line Drop Compensation (ALDC): 10%

AC Output

• Power Rating: 75 kVA
• Power Factor Range: 0.5 lagging to 0.8 leading
• Overload: 100% continuous, 110% for 60 min, 125% for 10 min, 150% for 2 min, 200% for 20 sec
• Crest Factor: 1.414 +/- 3%
• Voltage: 115/200 volts, 3O, 4 wire, grounded neutral
• Voltage Adjust +/- 15% on 380-480V, 208 VAC, adjustable +/-10%
• Voltage Regulation: +/- 1.0% under all conditions of line, balanced loads and temperature
• Voltage Transients: IAW MIL-STD-704F
• Frequency Regulation: 400 Hz +/- 0.01% under all conditions of line, load and temperature
• Frequency Transients: None
• Phase Angle Regulation: +/- 1 degree for balanced loads; +/- 2 degree for unbalanced loads
• Harmonic Distortion: 2.0% maximum
• Protection: Overload, short circuit, over/under voltage and safety disconnect
• Automatic Line Drop Compensation (ALDC): 15%

Environmental

• Acoustical Noise: < 65 dBA maximum at 5 feet (1.5m)
• Temperature Range: -40 degree C to +55 degree C
• Relative Humidity: 10 - 95%, Non-Condensing
• Ingress of Water: Type 3RX, IP55

Mechanical Specifications

• Size: See images on listing.
• Weight: 75.0kVA = 1,143lbs. (518kg.)
• Enclosure: NEMA 3RX Corrosion Resistant
• Cooling: Forced Convection

Standards

• EN 61000-6-2,4*: Electromagnetic compatibility Immunity & Emission standards for industrial environments
• 2006/95/EC *: Low Voltage Directive
• ISO 1540: Characteristics of aircraft electrical system
• ISO 6858: Aircraft ground support electrical supplies
• SAE ARP 5015: Ground equipment 400Hz ground power performance requirement
• MIL-STD-704F: Aircraft electric power characteristics
• MIL-STD-1472: Human Engineering Design Criteria
• DFS-400: Specification for 400Hz aircraft power supply
*Defined Basis of CE Mark Certification