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Mean Well DDR-240C-48 DC-DC Converter - 240W - 33.6~67.2V in 48V out
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Mean Well DDR-240C-48 DC-DC Converter - 240W - 33.6~67.2V in 48V out
The DDR-240C is a 240W DIN Rail type DC-DC converter designed for rolling stock and railway applications requiring compliance with EN50155 standards. With an input range of 33.6~67.2Vdc (nominal 48Vdc), it converts from standard on-board DC bus supplies to isolated 12V, 24V, or 48V outputs. Built to withstand shock and vibration per IEC61373, it operates reliably from -40~+70°C and supports current sharing for higher-power parallel configurations.
Key Features
- ✓ 40mm wide — DIN rail TS-35 compatible
- ✓ Input voltage range: 33.6~67.2Vdc (nominal 48Vdc)
- ✓ DC output voltage adjustable ±10%
- ✓ 4KVdc reinforced I/O isolation
- ✓ Wide operating temperature: -40°C ~ +70°C
- ✓ Protections: Short circuit / Overload / Over voltage / Reverse polarity / Under voltage lockout
- ✓ DC OK relay contact output
- ✓ Remote ON/OFF control
- ✓ Current sharing up to 960W (parallel 3+1 units)
- ✓ Safety approvals: IEC 62368-1, UL 62368-1, AS/NZS 62368.1, EAC TP TC 004
- ✓ Railway standards: EN50155, IEC60571, IEC61373 (shock & vibration)
- ✓ 3 years warranty
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BrandMean Well
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SeriesDDR Series
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Power Rating240 Watt
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Output Voltage48 Volt
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Rated Current5 Ampere
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Input Voltage33.6V~67.2V
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No of Output1
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Dimming ControlNone
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Standards MetCE,EMC,UL
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Operation ModeConstant Voltage
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Operating Temperature-40°C~85°C
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Warranty2 Year
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Length4.93 in
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Width4.47 in
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Height1.57 in
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Weight1.68 lb
::specification::
Frequently Asked Questions
Can I use the DDR-240C-48 to step up or regulate a 48V battery bank to a stable 48V rail?
The DDR-240C-48 accepts 33.6-67.2V DC input and outputs a regulated 48V at up to 5A (240W). If your battery voltage sags below 48V during discharge but stays above 33.6V, this converter will maintain a stable 48V output for sensitive loads like telecom equipment or PoE switches.
Is the DDR-240C-48 suitable for powering 48V PoE network switches from a DC bus?
Yes. At 240W and 48V/5A output, the DDR-240C-48 can supply a midspan PoE injector or 48V PoE switch from any DC bus between 33.6V and 67.2V. The 4KVdc I/O isolation helps protect network equipment from noise and transients on the primary DC bus.
Can the DDR-240C-48 convert a 60V DC solar charge controller output to 48V for battery charging equipment?
Yes. A 60V DC source falls within the 33.6-67.2V input range. The DDR-240C-48 will regulate this to a stable 48V at up to 5A, which can feed battery management systems or charge controllers that expect a 48V nominal input in off-grid or hybrid solar installations.
Will the DDR-240C-48 work in a sealed industrial enclosure without forced airflow?
Yes. The DDR-240C-48 uses a fanless convection-cooled design, so it does not require any forced airflow. Its -40°C to +85°C operating range allows installation inside sealed NEMA-rated or IP-rated enclosures, provided the enclosure can dissipate the heat generated at full 240W load.
Can I use the DDR-240C-48 to power 48V DC motors or actuators in a factory automation panel?
Yes. The DDR-240C-48 delivers 48V at 5A (240W) from a DC bus in the 33.6-67.2V range, which suits small 48V motors, solenoid banks, and linear actuators. Its DIN rail mounting integrates directly into standard industrial control panels alongside PLCs and terminal blocks.
What are the differences between the DDR-240B-48, DDR-240C-48, and DDR-240D-48?
All three deliver 240W at 48V/5A output and share the same physical dimensions and fanless design. They differ in input voltage range: the DDR-240B-48 takes 16.8-33.6V DC, the DDR-240C-48 takes 33.6-67.2V DC, and the DDR-240D-48 takes 67.2-154V DC. Choose based on the voltage of your source DC bus.
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Other DDR-240C Models
1 other model| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well DDR-240C-24 DC-DC Converter - 240W - 33.6~67.2V in 24V out | 240W | 24V | 10A | Indoor | $97.43 | View |
