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Benefits & Features

  • NFPA 70 Article 500 Class 1 Div. 2 compliant with 18” Floor Stand
  • Trailer mounted units are compliant with SAE AS8090 Type 1 Class 2 requirements.
  • Easy-to-read Digital Information Display
  • Modular design allows for ease of maintenance
  • BIT: Digital diagnostics aid troubleshooting

Our 270 VDC Power Supply provides a complete fully integrated and tested system which is ready to install as delivered. Front access for all service and maintenance functions. 30-40% space and weight savings compared with competitive products. The compact light weight adaptable design allows flexible installation options. It can be floor mounted, overhead mounted or mounted on a trailer or castors.

270 VDC Power Supply

PERFORMANCE FEATURES

  • Meets and exceeds MIL-STD 704F requirements
  • Modular design allows for ease of maintenance and flexible installation options
  • BIT: Digital diagnostics aid troubleshooting
  • Easy to read digital information display
  • Compact, light weight, adaptable design can be floor, overhead, castors, or trailer mounted
  • Total harmonic content <0.015%
  • 12 Pulse front end
  • Output Voltage Regulation ±3 VDC
  • Soft Start feature eliminates in-rush current

Technical Information

INPUT POWER

  • Rated current: 94 amps ±15% @ 480 VAC, 60 Hz

OUTPUT

  • 270 VDC @ 259 Adc - 72 kW
  • 28 VDC @ 15 Adc - Interlock
  • Voltage regulation: ±3 VDC
  • Transient performance exceeds Mil-Std-704F
  • Recovery from 95% Step Load in 40 ms to 704F requirements and
  • 80 ms to recover to DC regulation
  •  Meets F-35 JSF power quality
    requirements for Pulse Loads.
  • Overload Rating:
  • Limits total current between 460 – 490 Adc for 2s
  • 125% for 6 seconds
  • 150% for 3 seconds

EFFICIENCY

  • 12 pulse Front End
  • Overall efficiency:
    >0,93 at 35-90 kVA load
    >0,90 at 25 kVA load
  • No load loss: <2 kW

PROTECTION

  • No break power transfer
  • Over/under voltage: Input and Output
  • High temperature
  • Internal system error
  • Overload
  • Short circuit

ENVIRONMENTAL

  • Operating temperature: -40°C to +55°C
  • Relative humidity 0—95%
  • Airborne Noise <65 dba @ 1m - typically 60 dba

MISCELLANEOUS

  • MTBF (Proven): 100,000 hours
  • MTTR: max. 20 minutes

STANDARDS

  • MIL-STD-704F Aircraft electric power characteristics
  • Mil-STD-1399-300 Interface Standard for Shipboard Systems
  • Mil-STD-1472F Human Engineering
  • UFGS-26 35 43 Unified Guide Specification
  • DFS 400 Specification for 400 Hz Aircraft Power
  • BS 2G 219 General Reqment
  • ETL Listed

EMI

MIL-STD-461E:
  • CE102 Conducted Emissions, Power Leads, 10 kHz to 10 MHz
  •  CS101 Conducted Susceptibility, Power Leads, 30 Hz to 150 kHz
  • CS114 Conducted Susceptibility, Bulk Current Injection, 10 kHz to 200 MHz
  • CS115 Conducted Susceptibility, Bulk Cable Injection, Impulse Excitation
  • CS116 Conducted Susceptibility, Damped Sinusoidal Transients, Cables and Power Leads, 10 kHz to 100 MHz, 10A max for all configurations
  • RE102 Radiated Emissions, Electrical Field, 10 kHz to 1 GHz
  • RS103 Radiated Susceptibility, Electric Field, 2 MHz to 18 GHz

OPTIONS

  • 270 VDC @ 30 Adc – 8.1 kW FTI
  • External Emergency Stop
  • Remote Control Box
  • 6 pulse Front End
  • 18” Floor Stand
  • Trailer per SAE AS8090
  • Auxiliary Power Outlets, 60 Hz
  • Door/Panel Interlock
  • Portable Service Lamp
  • 415 VAC/50 Hz Input

 


Weight: 984 lbs
Size (l x w x h): 67cm x 86cm x 166cm  (26.38in x 33.86in x 65.35in)

 

Information Downloads

Model IES File Spec Sheet
270 VDC Power Supply Specs   pdf