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Mean Well DDRH-45-15DR Ultra Wide Input DC-DC Converter, 45W 15V, Din Rail Type
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Mean Well DDRH-45-15DR Ultra Wide Input DC-DC Converter, 45W 15V, D...
The DDRH-45 is a 45W high-reliability ultra-wide input DC-DC converter designed for photovoltaic, renewable energy storage, and demanding high-voltage industrial systems. Supporting a 150~1500Vdc input range, it adapts to solar, battery string, and DC bus supply sources. With 4KVac reinforced I/O isolation, fanless free air convection cooling, and no minimum load requirement, the DDRH-45 offers reliable power conversion across a -40~+80°C operating range.
Key Features
- ✓ Ultra-wide 150~1500Vdc input range — covers solar, ESS, and DC bus sources
- ✓ 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
- ✓ Protections: Short circuit / Overload / Over voltage / Reverse polarity / Under voltage lockout
- ✓ DIN rail TS-35/7.5 or 15 compatible (DR type)
- ✓ Safety approvals: IEC62109-1 (LVD), EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesDDRH Series
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Power Rating45 Watt
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Output Voltage15 Volt
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Rated Current3 Ampere
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Input Voltage150V~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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Length5.32 in
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Width2.76 in
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Height1.71 in
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Weight0.68 lb
::specification::
Frequently Asked Questions
Can the DDRH-45-15DR power stepper motor drivers that require a 15V supply rail?
Yes. Many compact stepper and servo drives accept a 15V logic or auxiliary supply, and the DDRH-45-15DR provides 15V at up to 3A (45W) from a DIN rail. The ultra-wide 150–1500VDC input accommodates diverse panel bus voltages.
Is this converter suitable for supplying 15V to industrial analog I/O cards and signal conditioning modules?
Yes. The constant-voltage 15V output at 3A is appropriate for analog front-end cards, isolated amplifiers, and signal conditioners that require a regulated ±15V or single 15V rail. The fanless DIN rail design fits standard automation cabinets.
Can the DDRH-45-15DR be used in wind turbine nacelle electronics or other renewable energy applications?
The 150–1500VDC input range covers the bus voltages produced by wind turbine rectifiers and solar string inverters. At 45W it can supply monitoring electronics, communication gateways, and control boards inside the nacelle or inverter enclosure.
What ambient temperature range does the DDRH-45-15DR support, and is it rated for outdoor use?
The converter operates from –40°C to +80°C. It is not assigned an IP ingress-protection rating, so outdoor or wet-area use requires installation inside a suitably sealed enclosure.
Does the DDRH-45-15DR need any ventilation slots or airflow clearance in a DIN rail cabinet?
The fanless design relies on natural convection. Allow adequate spacing above and below the unit on the DIN rail—typically 25 mm—to prevent heat from adjacent devices from pushing the internal temperature above the 80°C maximum.
How does the DDRH-45-15DR compare to the DDRH-45-15P and DDRH-45-15ST?
All three share the 45W, 15V, 3A output and 150–1500VDC input. The DDRH-45-15DR (135×70×43.5 mm, 0.31 kg) clips onto a DIN rail. The DDRH-45-15P (89×63.5×25 mm, 0.24 kg) mounts on a PCB. The DDRH-45-15ST (135×70×32 mm, 0.305 kg) uses screw terminals without the DIN clip.
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