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Mean Well DDR-480C-48 DC-DC Converter - 480W - 33.6~67.2V in 48V out
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Mean Well DDR-480C-48 DC-DC Converter - 480W - 33.6~67.2V in 48V out
The DDR-480C is a 480W 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~+80°C and supports current sharing for higher-power parallel configurations.
Key Features
- ✓ 85.5mm 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 ~ +80°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 1920W (parallel 3+1 units)
- ✓ Safety approvals: UL 62368-1, IEC 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 Rating480 Watt
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Output Voltage48 Volt
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Rated Current10 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 MetEMC
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Operation ModeConstant Voltage
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Operating Temperature-40°C~80°C
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Warranty3 Year
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Length5.06 in
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Width4.93 in
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Height3.37 in
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Weight3.03 lb
::specification::
Frequently Asked Questions
Can I use the DDR-480C-48 to step up a 48V battery bank to a regulated 48V rail for PoE switches?
The DDR-480C-48 accepts 33.6-67.2V DC input and outputs a regulated 48V at up to 10A (480W). If your battery bank nominal voltage stays within the input range, it can provide a stable 48V supply suitable for PoE switches and networking equipment. The 4KVdc I/O isolation adds protection against ground loops.
Is the DDR-480C-48 a good fit for powering 48V telecom equipment from a 48V or 60V DC bus?
Yes. The DDR-480C-48 accepts input from 33.6V to 67.2V, which covers nominal 48V and 60V DC distribution buses commonly found in telecom environments. It delivers a regulated 48V output at 10A, suitable for telecom base stations, routers, and similar 48V infrastructure loads.
Can the DDR-480C-48 be used to power industrial fieldbus or Ethernet networking equipment?
The DDR-480C-48 provides 480W at 48V/10A with DIN rail mounting and fanless operation, making it well suited for powering managed Ethernet switches, media converters, and fieldbus gateways in industrial control cabinets. The wide 33.6-67.2V input range accommodates varying DC bus voltages found in industrial plants.
Can I install the DDR-480C-48 in a machine room with ambient temperatures above 70 degrees Celsius?
The DDR-480C-48 is rated for operation from -40 to +80 degrees Celsius. It will function in environments up to 80 degrees C, though output derating may apply at the upper end of the range. Ensure adequate airflow around the unit even though it uses a fanless design.
Does the DDR-480C-48 provide galvanic isolation between input and output?
Yes. The DDR-480C-48 features 4KVdc input-to-output isolation. This is important in systems where the input DC bus and the 48V output load reference different ground potentials, such as in telecom or renewable energy installations where ground faults must be contained.
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Other DDR-480C Models
2 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well DDR-480C-24 DC-DC Converter - 480W - 33.6~67.2V in 24V out | 480W | 24V | 20A | Indoor | $184.66 | View |
| Mean Well DDR-480C-12 DC-DC Converter - 400.8W - 33.6~67.2V in 12V out | 400.8W | 12V | 33.4A | Indoor | $184.66 | View |
