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Mean Well DDRH-240-48 Ultra Wide Input DC-DC Converter, 240W 48V
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Mean Well DDRH-240-48 Ultra Wide Input DC-DC Converter, 240W 48V
The DDRH-240 is a 240W high-reliability ultra-wide input DIN Rail DC-DC converter for photovoltaic, energy storage, and high-voltage industrial applications. Its 250~1500Vdc input range handles high-voltage DC bus and battery string sources, with 4KVac reinforced I/O isolation for reliable, noise-free operation. Up to four units can be paralleled for current sharing up to 960W, and a DC OK relay output provides supply status monitoring. The DDRH-240 operates fanless across -40~+80℃.
Key Features
- ✓ Ultra-wide 250~1500Vdc input range — high-voltage DC bus and battery string compatible
- ✓ DC output voltage adjustable ±10%
- ✓ 4KVac reinforced I/O isolation
- ✓ Cooling by free air convection — fanless design, no minimum load required
- ✓ Wide operating temperature: -40°C ~ +80°C
- ✓ DC OK relay contact output — signals supply status
- ✓ Current sharing up to 960W (3+1 parallel units)
- ✓ Protections: Short circuit / Overload / Over voltage / Reverse polarity / Under voltage lockout
- ✓ DIN rail TS-35 compatible
- ✓ Safety approvals: IEC62109-1, BS EN/EN62109-1, EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesDDRH 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 Voltage250V~1500V
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No of Output1
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Dimming ControlNone
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Standards MetCE,EAC
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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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Length3.37 in
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Width4.93 in
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Height5.09 in
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Weight2.12 lb
::specification::
Frequently Asked Questions
Can the DDRH-240-48 power 48V telecom rectifier or DC telecom bus equipment?
Yes. The DDRH-240-48 outputs 240W at 48V and 5A, which aligns with the standard 48V DC bus used in telecom and datacom infrastructure. Its adjustable output range of 48V to 58V also covers equipment that nominally requires a 54V or 56V floating bus common in telecom standards.
Is the DDRH-240-48 suitable for powering 48V PoE switches or network infrastructure in an industrial setting?
Yes. At 240W and 5A, the DDRH-240-48 can supply mid-range 48V network switches or PoE hubs used in industrial Ethernet installations. Its DIN rail form factor integrates well into the same control cabinet as other automation equipment.
Can this converter be used in solar or battery energy storage systems requiring a 48V output?
Yes. The DDRH-240-48 accepts 250–1500VDC input and can withstand a 1700VDC surge for 10 seconds, making it compatible with high-voltage solar string outputs and DC battery buses. The 6:1 ultra-wide input range accommodates the varying voltage levels typical of these sources.
What environmental conditions is the DDRH-240-48 rated for?
The DDRH-240-48 operates from -40°C to +80°C, covering harsh cold and hot industrial environments. No IP rating is specified for the unit, so it must be installed inside an enclosure with appropriate IP protection when used in locations with dust, water spray, or condensation.
How does the DDRH-240-48 compare to the DDRH-120-48 for 48V applications?
The DDRH-240-48 provides 240W at 5A, while the DDRH-120-48 provides 120W at 2.5A — exactly double the output power. Both models share the DIN rail form factor and CE/EAC certifications. Choose the DDRH-240-48 when your 48V load exceeds 2.5A or 120W.
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Other DDRH-240 Models
3 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well DDRH-240-32 Ultra Wide Input DC-DC Converter, 240W 32V | 240W | 32V | 7.5A | Indoor | $194.04 | View |
| Mean Well DDRH-240-24 Ultra Wide Input DC-DC Converter, 240W 24V | 240W | 24V | 10A | Indoor | $194.04 | View |
| Mean Well DDRH-240-12 Ultra Wide Input DC-DC Converter, 200.4W 12V | 200.4W | 12V | 16.7A | Indoor | $194.04 | View |
