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Mean Well DDRH-15-15DR Ultra Wide Input DC-DC Converter, 15W 15V, Din Rail Type
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Mean Well DDRH-15-15DR Ultra Wide Input DC-DC Converter, 15W 15V, D...
The DDRH-15 is a 15W high-reliability ultra-wide input DC-DC converter designed for photovoltaic, renewable energy, and demanding high-voltage industrial applications. Its exceptional 150~1500Vdc input range — a 10:1 ratio — covers solar panels, battery strings, and high-voltage DC bus sources. With 4KVac reinforced I/O isolation, fanless free air convection cooling, and no minimum load requirement, the DDRH-15 provides stable, isolated power conversion across a wide -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 Rating15 Watt
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Output Voltage15 Volt
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Rated Current1 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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Length4.82 in
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Width2.26 in
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Height1.71 in
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Weight0.47 lb
::specification::
Frequently Asked Questions
Can the DDRH-15-15DR power a 15V analog signal conditioner or isolated amplifier in a DIN rail panel with a high-voltage DC bus?
Yes. The DDRH-15-15DR is a DIN rail-mounted DC-DC converter accepting 150–1500VDC input and delivering a regulated 15V/1A output (15W). It is appropriate for 15V analog instrumentation, signal conditioners, or isolated measurement modules mounted alongside other DIN rail components in industrial control cabinets.
Is the DDRH-15-15DR suitable for providing 15V excitation to strain gauge bridges or transducers in process control systems?
The DDRH-15-15DR provides a constant voltage 15V output at up to 1A, which can supply excitation to low-current transducers, strain gauges, or pressure sensors in process automation. Its wide input range (150–1500VDC) allows it to operate from high-voltage DC process bus supplies.
Can this DIN rail converter power a 15V DC relay coil array or solenoid valve driver in an automation panel?
The DDRH-15-15DR can drive 15V relay coils or solenoid valve circuitry within its 15W/1A capacity. Care should be taken to ensure the total inrush and steady-state current of the connected coils remains within 1A. For higher current demands, the DDRH-30-15DR (30W/2A) or DDRH-45-15DR (45W/3A) are available in the same series.
How does the DDRH-15-15DR perform in cold-start or outdoor-adjacent applications with extreme ambient temperatures?
The DDRH-15-15DR is specified for operation from -40°C to +80°C, enabling cold-start capability in sub-zero environments such as outdoor control cabinets or northern industrial facilities. Its fanless construction ensures no mechanical wear at temperature extremes. For outdoor installation, a rated enclosure is required since the unit itself carries no IP rating.
What is the difference between the DDRH-15-15DR, DDRH-15-15P, and DDRH-15-15ST?
All three share the same electrical specs: 15W output, 15V/1A, and 150–1500VDC input. The DDRH-15-15DR (DIN rail, 122.3 × 57.3 × 43.5 mm, 0.215 kg) mounts on a standard DIN rail; the DDRH-15-15P (PCB mount, 76.2 × 50.8 × 25.0 mm, 0.17 kg) mounts onto a PCB; and the DDRH-15-15ST (screw terminal, 122.3 × 57.3 × 32.0 mm, 0.21 kg) provides screw terminal wiring. The choice depends on mechanical integration requirements.
Does the DDRH-15-15DR carry relevant certifications for use in European industrial machinery?
Yes, the DDRH-15-15DR holds CE and EAC certifications, supporting compliance with EU industrial machinery and low-voltage directives. It also carries a 3-year manufacturer warranty.
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