Model NumberPower Out Max (W)Input Voltage (VAC)V1 Out Nom (V)Output Current Max (A)Cooling
DDP400-US12-OF40090 - 2641233.3Convection/FanMore info
Product Specifications
Max # Outputs1
V2 Out (V)12
I2 Out (A)1
V3 Out (V)5
I3 Out (A)2
Efficiency Rating (%)94
Convection Rating (W)250
Operating Altitude (m)4000
Operating temperature range-20 to 50°C
SafetyUL60950-1, CSA C22.2 No. 60950-1: 2007, 2nd ed., EN60950-1 2nd ed., CE, Demko
DDP400-US24-OF40090 - 2642416.7Convection/FanMore info
Product Specifications
Max # Outputs1
V2 Out (V)12
I2 Out (A)1
V3 Out (V)5
I3 Out (A)2
Efficiency Rating (%)94
Convection Rating (W)250
Operating Altitude (m)4000
Operating temperature range-20 to 50°C
SafetyUL60950-1, CSA C22.2 No. 60950-1: 2007, 2nd ed., EN60950-1 2nd ed., CE, Demko
DDP400-US36-OF40090 - 2643611.1Convection/FanMore info
Product Specifications
Max # Outputs1
V2 Out (V)12
I2 Out (A)1
V3 Out (V)5
I3 Out (A)2
Efficiency Rating (%)94
Convection Rating (W)250
Operating Altitude (m)4000
Operating temperature range-20 to 50°C
SafetyUL60950-1, CSA C22.2 No. 60950-1: 2007, 2nd ed., EN60950-1 2nd ed., CE, Demko
DDP400-US48-OF40090 - 264488.3Convection/FanMore info
Product Specifications
Max # Outputs1
V2 Out (V)12
I2 Out (A)1
V3 Out (V)5
I3 Out (A)2
Efficiency Rating (%)94
Convection Rating (W)250
Operating Altitude (m)4000
Operating temperature range-20 to 50°C
SafetyUL60950-1, CSA C22.2 No. 60950-1: 2007, 2nd ed., EN60950-1 2nd ed., CE, Demko
The DDP400 series of single output AC/DC power supplies includes this open-frame model and is available in standard voltages of 12V, 24V, 36V and 48V, with auxiliary 12V fan and 5V stand-by outputs.

The DDP400 open-frame AC/DC power supplies are well suited for challenging system designs where low profile, low power dissipation is desired with minimal air movement. Its low profile is applicable for industry standard 1U equipment designs. Rated for 250W convection and 400W with forced air, this power supply includes an integral 12V fan output, eliminating the need for an additional fan supply. The power supply can be disabled with a logic signal and dissipates less than 0.5W in stand-by mode allowing for system level Energy Star compliance.

With typical efficiencies of 94% and efficiency load profiles that exceed 80 Plus Platinum requirements, the DDP400 is the most efficient power supply in its class.

DDP400-OF

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