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Mean Well

Mean Well DDR-30G-24 DC-DC Converter - 30W - 9~36V in 24V out

2:1 or 4:1 wide input range, fanless design, 4KVdc I/O isolation, ultra slim dimensions
SKU:
DDR-30G-24
Model
Please for Pricing
|

Description

The DDR-30G is a 30W DIN Rail type DC-DC converter with a 35mm (2SU) profile, designed for industrial control cabinets and distributed power systems. A 4:1 wide input voltage range of 9~36Vdc supports a broad range of DC supply sources, while reinforced 4KVdc I/O isolation ensures noise-free power conversion. Cooled entirely by free air convection with no minimum load requirement, it operates reliably from -40~+85°C.

Key Features

  • ✓ Compact 35mm (2SU) width — DIN rail TS-35/7.5 or 15 compatible
  • ✓ 4:1 wide input voltage range: 9~36Vdc
  • ✓ DC output voltage adjustable ±10%
  • ✓ 4KVdc reinforced I/O isolation
  • ✓ Cooling by free air convection — no minimum load required
  • ✓ Wide operating temperature: -40°C ~ +85°C
  • ✓ Protections: Short circuit / Overload / Over voltage / Reverse polarity / Under voltage lockout
  • ✓ Safety approvals: UL 62368-1, IEC 62368-1, AS/NZS 62368.1
  • ✓ 3 years warranty

Specifications
  • Brand
    Mean Well
  • Series
    DDR Series
  • Power Rating
    30 Watt
  • Output Voltage
    24 Volt
  • Rated Current
    1.25 Ampere
  • Input Voltage
    9V~36V
  • Standards Met
    CE,EMC,UL
  • Operation Mode
    Constant Voltage
  • Operating Temperature
    -40°C~85°C
  • Warranty
    2 Year
  • Length
    9 cm
  • Width
    5.45 cm
  • Height
    3.5 cm
  • Weight
    0.12 kg

File Downloads

::specification::

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Frequently Asked Questions

Can I use the DDR-30G-24 to step up a 12V battery source to 24V for small automation loads?

Yes. The DDR-30G-24 accepts 9-36V DC input, so a 12V battery (typically 10.5-14.4V under load/charge) is within range. It outputs 24V at up to 1.25A (30W), which can power small 24V solenoid valves, DIN rail relays, or compact PLCs in field-mounted enclosures.

Is the DDR-30G-24 suitable for powering 24V building automation sensors from a 24V DC bus?

Yes, though note the 9-36V input range means a nominal 24V bus works only if the bus voltage stays above 9V under all conditions. For a stable 24V bus, the DDR-30G-24 converts it to a clean, isolated 24V output at up to 1.25A (30W), which is useful when you need galvanic isolation between the bus and sensitive sensors.

Can the DDR-30G-24 provide an isolated 24V supply for communication modules in a remote cabinet?

Yes. The 4KVdc I/O isolation separates the input and output circuits, preventing ground loops and noise from the source bus from reaching sensitive RS-485, Modbus, or Ethernet communication modules. At 30W it can power several low-power communication devices simultaneously.

Will the DDR-30G-24 survive in an unheated roadside traffic control cabinet?

Yes. With a -40°C to +85°C operating range and fully fanless design, the DDR-30G-24 handles the seasonal temperature extremes found in roadside cabinets. Its compact size (90.0 x 54.5 x 35.0 mm) and light weight (0.12 kg) are well suited for space-limited traffic control enclosures.

Can I use the DDR-30G-24 in a solar-powered remote monitoring station?

Yes. If the solar battery voltage stays between 9V and 36V, the DDR-30G-24 produces a regulated 24V at up to 1.25A. This suits small remote stations powering cameras, weather sensors, or cellular modems where total load is under 30W.

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Mean Well DDR-30G-24 DC-DC Converter - 30W - 9~36V in 24V out
Mean Well

Mean Well DDR-30G-24 DC-DC Converter - 30W - 9~36V in 24V out

Please for Pricing

The DDR-30G is a 30W DIN Rail type DC-DC converter with a 35mm (2SU) profile, designed for industrial control cabinets and distributed power systems. A 4:1 wide input voltage range of 9~36Vdc supports a broad range of DC supply sources, while reinforced 4KVdc I/O isolation ensures noise-free power conversion. Cooled entirely by free air convection with no minimum load requirement, it operates reliably from -40~+85°C.

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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