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Mean Well

Mean Well DDR-480B-24 DC-DC Converter - 480W - 16.8~33.6V in 24V out 20A

2:1 or 4:1 wide input rangefanless design4KVdc I/O isolationultra slim dimensions
SKU DDR-480B-24
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Select model — 16 in this family

DDR-480B-24
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The DDR-480B 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 16.8~33.6Vdc (nominal 24Vdc), 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: 16.8~33.6Vdc (nominal 24Vdc)
  • ✓ 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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Mean Well DDR-480B-24 DC-DC Converter - 480W - 16.8~33.6V in 24V out 20A
Mean Well

Mean Well DDR-480B-24 DC-DC Converter - 480W - 16.8~33.6V in 24V out 20A

Log in to see price

The DDR-480B 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 16.8~33.6Vdc (nominal 24Vdc), 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

Model

  • 100W - 24V out - 9~18V in
  • 120W - 24V out - 16.8~33.6V in
  • 120W - 24V out - 33.6~67.2V in
  • 120W - 24V out - 67.2~154V in
  • 15W - 24V out - 9~36V in
  • 15W - 24V out - 18~75V in
  • 240W - 24V out - 16.8~33.6V in
  • 240W - 24V out - 33.6~67.2V in
  • 240W - 24V out - 67.2~154V in
  • 30W - 24V out - 9~36V in
  • 30W - 24V out - 18~75V in
  • 480W - 24V out - 16.8~33.6V in
  • 480W - 24V out - 33.6~67.2V in
  • 480W - 24V out - 67.2~154V in
  • 60W - 24V out - 9~36V in
  • 60W - 24V out - 18~75V in
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