Mean Well DDR-480C-24 DC-DC Converter - 480W - 33.6~67.2V in 24V out

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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

Frequently Asked Questions

Can I use the DDR-480C-24 to power 24V industrial automation equipment from a 48V DC bus?

Yes. The DDR-480C-24 accepts a 33.6-67.2V DC input, which covers standard 48V DC bus systems. It delivers 480W at 24V/20A, making it well suited for powering PLCs, motor drives, and other 24V industrial automation loads mounted on DIN rail.

Is the DDR-480C-24 suitable for converting solar battery bank voltage down to 24V for control systems?

The DDR-480C-24 can convert a DC source in the 33.6-67.2V range down to 24V at up to 20A. If your solar battery bank voltage falls within that input window, it can reliably power 24V control electronics, sensors, and communication equipment. The 4KVdc I/O isolation helps protect sensitive downstream devices.

Can the DDR-480C-24 power 24V embedded computing or server equipment in a telecom rack?

Yes. With 480W output at 24V/20A and a fanless design, the DDR-480C-24 is a good fit for telecom and IT infrastructure where a 48V DC distribution bus needs to be stepped down to 24V. The DIN rail form factor and 4KVdc isolation support deployment in equipment cabinets and control panels.

Will the DDR-480C-24 operate reliably in an unheated outdoor enclosure during winter?

The DDR-480C-24 is rated for an operating temperature range of -40 to +80 degrees Celsius, so it can handle extreme cold without issue. However, it does not carry an IP rating for ingress protection, so it must be installed inside a suitable sealed enclosure to protect against moisture and dust.

What other output voltages and wattages are available in the DDR-480 series with the C input range?

The DDR-480C series (33.6-67.2V input) is available in three output variants: the DDR-480C-12 at 400.8W/12V/33.4A, the DDR-480C-24 at 480W/24V/20A, and the DDR-480C-48 at 480W/48V/10A. Other input ranges include the B series (16.8-33.6V) and D series (67.2-154V) with the same output options.

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Model	Power	Voltage	Current	IP Rating
Mean Well DDR-480C-48 DC-DC Converter - 480W - 33.6~67.2V in 48V out 10A	480W	48V	10A	Indoor	View
Mean Well DDR-480C-12 DC-DC Converter - 400.8W - 33.6~67.2V in 12V out 33.4A	400.8W	12V	33.4A	Indoor	View

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