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Mean Well DDRH-15-15ST Ultra Wide Input DC-DC Converter, 15W 15V, Screw Terminal Type
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Mean Well DDRH-15-15ST Ultra Wide Input DC-DC Converter, 15W 15V, S...
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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Height1.26 in
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Weight0.46 lb
::specification::
Frequently Asked Questions
Can the DDRH-15-15ST power 15V process instrumentation or loop-powered transmitters from a high-voltage DC rail?
The DDRH-15-15ST provides a regulated 15V output at up to 1A (15W) from a 150–1500VDC input, making it suitable for powering 15V process transmitters, signal converters, or loop-powered instruments in industrial control panels where a high-voltage DC bus is the available source.
Is the DDRH-15-15ST suitable for powering 15V control circuitry in an energy storage or EV charging system?
Yes. The DDRH-15-15ST accepts the 150–1500VDC input range typical of high-voltage battery stacks and EV charging bus architectures. It can supply 15V/1A for control logic, communication interfaces, or protection relay circuits within such systems. Its screw terminal connections simplify direct wiring to control bus conductors.
Can this unit supply power to a 15V fan controller or thermal management module in a power converter enclosure?
Yes. At 15W/1A output, the DDRH-15-15ST can power 15V brushless fan controllers, temperature monitoring modules, or small cooling assemblies in converter enclosures. Its own fanless design contributes to the thermal reliability of the overall system.
How does the DDRH-15-15ST handle operation in environments with very wide temperature swings, such as outdoor telecom cabinets?
The DDRH-15-15ST is rated for -40°C to +80°C operation and uses a fanless design with no moving parts, making it well-suited for outdoor telecom or utility cabinets that experience wide diurnal or seasonal temperature swings. The unit itself is not IP-rated and must be mounted inside a weatherproof enclosure.
What distinguishes the screw terminal DDRH-15-15ST from the DIN rail and PCB-mount options in the 15W 15V group?
The DDRH-15-15ST uses screw terminal connections and measures 122.3 × 57.3 × 32.0 mm at 0.21 kg. The DDRH-15-15DR (DIN rail, 122.3 × 57.3 × 43.5 mm, 0.215 kg) clips onto DIN rail, while the DDRH-15-15P (PCB mount, 76.2 × 50.8 × 25.0 mm, 0.17 kg) mounts to a circuit board. All three share 15V/1A/15W output and 150–1500VDC input; the screw terminal style is preferred when direct wire connections to panel wiring are needed without a DIN rail.
Does the DDRH-15-15ST have relevant certifications for deployment in European industrial installations?
Yes. The DDRH-15-15ST carries CE and EAC certifications, supporting compliance with European industrial directives and enabling deployment in EU-market machinery. A 3-year manufacturer warranty is included.
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