ROAL DDP400 Series

  • Most efficient mid-range industrial power supply in its class
  • Available in six different compact packages
  • High operating efficiency: up to 94%
  • Models with a fan feature variable fan speed control for quiet operation (fan is off <50W)
  • Universal input voltage range (90 ~ 264 Vac)
  • Energy efficient: no load power consumption < 0.5 watts
  • Auxiliary outputs: +5 Volt stand-by (2A), +12 Volt fan (1A)
  • Active PFC
  • Low earth leakage current
  • 4000m altitude operation
  • Operating Temperature: -20~+70°C
  • ROAL 3 year warranty
  • TRC Electronics is the USA stocking headquarters of ROAL DDP400 Mid-Range AC/DC Power Supplies. Contact us for award winning service.
ROAL DDP400 Power Supply
DDP400 Sealed Case
Safety Logos
Roal Model # Package Continuous Rating with Optional Heat Sink Continuous Convection Rating W/O Heat Sink Main Output Voltage Max Output Current with Optional Heat Sink
DDP400-US12-SC Sealed Case 400W 350W 12Vdc 33.3A
DDP400-US24-SC Sealed Case 400W 350W 24Vdc 16.7A
DDP400-US36-SC Sealed Case 400W 350W 36Vdc 11.1A
DDP400-US48-SC Sealed Case 400W 350W 48Vdc 8.3A

DDP400 Open Frame
Safety Logos
Roal Model # Package Continuous Rating with Forced Air Continuous Convection Rating Main Output Voltage Max Output Current
DDP400-US12-OF Open Frame 400W 250W 12Vdc 33.3A
DDP400-US24-OF Open Frame 400W 250W 24Vdc 16.7A
DDP400-US36-OF Open Frame 500W 238W 36Vdc 13.9A
DDP400-US48-OF Open Frame 400W 250W 48Vdc 8.3A

DDP400 U-Chassis
Safety Logos
Roal Model # Package Continuous Rating with Forced Air Continuous Convection Rating Main Output Voltage Max Output Current
DDP400-US12-UC U-Chassis 400W 250W 12Vdc 33.3A
DDP400-US24-UC U-Chassis 400W 250W 24Vdc 16.7A
DDP400-US36-UC U-Chassis 500W 238W 36Vdc 13.9A
DDP400-US48-UC U-Chassis 400W 250W 48Vdc 8.3A

DDP400 Top Fan
Safety Logos
Roal Model # Package Continuous Rating with Forced Air Continuous Convection Rating Main Output Voltage Max Output Current
DDP400-US12-VC Top Fan 400W N/A 12Vdc 33.3A
DDP400-US24-VC Top Fan 400W N/A 24Vdc 16.7A
DDP400-US36-VC Top Fan 500W 238W 36Vdc 13.9A
DDP400-US48-VC Top Fan 400W N/A 48Vdc 8.3A

DDP400 Front Fan
Safety Logos
Roal Model # Package Continuous Rating with Forced Air Continuous Convection Rating Main Output Voltage Max Output Current
DDP400-US12-FF Front Fan 400W N/A 12Vdc 33.3A
DDP400-US24-FF Front Fan 400W N/A 24Vdc 16.7A
DDP400-US36-FF Front Fan 500W 238W 36Vdc 13.9A
DDP400-US48-FF Front Fan 400W N/A 48Vdc 8.3A

DDP400 Chassis & Cover
Safety Logos
Roal Model # Package Continuous Rating with Forced Air Continuous Convection Rating Main Output Voltage Max Output Current
DDP400-US12-PC Chassis & Cover 400W 250W 12Vdc 33.3A
DDP400-US24-PC Chassis & Cover 400W 250W 24Vdc 16.7A
DDP400-US36-PC Chassis & Cover 500W 238W 36Vdc 13.9A
DDP400-US48-PC Chassis & Cover 400W 250W 48Vdc 8.3A

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