DC-DC Converter
Multi-Industry Power Solutions

Why MEAN WELL DC-DC Converter

       MEAN WELL, initially focused on AC/DC enclosed industrial power supplies, introduced the SD series of enclosed DC-DC power supplies in 1996 to meet market demand. Since then, we have expanded to offer a wide range of installation options, including board-mounted, encapsulated modules, and DIN rail models. Our DC-DC product line stands out for its industry-leading variety of installation methods, providing a comprehensive AC-DC and DC-DC power solution to meet one-stop sourcing needs.

       MEAN WELL offers a comprehensive AC-DC and DC-DC solution, providing versatile installation options to meet diverse industry needs. For industrial automation, the SD series and small modules are highlighted, while the RSD and DDR series cater to railway-certified applications. The MDS and MDD series serve the medical sector, with DDRH and RSDH specialized for photovoltaic energy storage, and the LDD and NHDD series tailored for LED lighting. Moving forward, we will continue to expand into emerging sectors such as smart meters, smart homes, and data centers, further broadening our application range.

complete voltage
wide application
multiple choices
complete certification

Multi-Industry Power Solutions

       MEAN WELL offers multiple I/O isolation voltages, various input voltages, and complies with Safety Certifications across multiple fields, meeting your application needs in different industries.

Photovoltaic Energy Storage Applications

       In response to the growing demand for high-to-low voltage DC-DC converters driven by net-zero carbon goals, especially in photovoltaic, energy storage, and wind energy sectors, MEAN WELL offers the DDRH and RSDH series (15-300W) with multiple installation options. These solutions support control systems in new energy applications.

 Features:

1. 150~1500Vdc or 250~1500Vdc ultra-wide voltage input (depending on the model), suitable for photovoltaic string or battery stack connections to high voltage.
2. Fanless design, internal potting or PCB conformal coating (depending on model), high reliability.
3. Ultra-wide operating temperature range of -40 to +80°C.

 Compliant with Photovoltaic Energy Storage Safety Certification:

UL1741, EN62109-1

 Models:

DIN Rail Type DDRH-15~240 Series, Enclosed Type RSDH-150~300 Series

Railway Transportation Applications

       In railway transportation, safety is paramount. Selecting a reliable and high-quality power supply is essential. MEAN WELL's DC-DC converters offer power ranges from 8 to 500W and feature various installation options, including encapsulated modules, locking enclosures, and locking rails. They also meet the EN50155 railway safety standard, making them an excellent choice for your needs.

 Features:

1. Wide input range of 2:1, 4:1, and 18:1 (depending on the model), suitable for system voltages of 12V/ 24V/ 48V/ 72V/ 96V/ 110Vdc.
2. Fanless design, internal potting or PCB coating for moisture protection (depending on the model), ensuring high reliability.
3. Ultra-wide operating temperature range of -40 to +90oC (depending on the model).

 Compliant with Railway Safety Certification:

EN50155

 Models:

Enclosed Type RSD-30~500 Series, DIN Rail Type DDR-120/240/480 Series
On Board-Module Type with potted RSDW/RDDW08~60 Series, RQB40~150W3/12 Series

Industrial Control and ICT Applications

       MEAN WELL's DC-DC converters for industrial control and ICT applications range from 0.5 to 1000W, include four types of installations: Enclosed Type (15~1000W), DIN Rail Type (15~480W), Open Frame Type (15~60W), and Plug-in Type (0.5~150W). The input voltage ranges are ±10%, 2:1, 4:1, and 8:1, with single, dual, and triple output models available. There are over 1000 models to choose from, catering to various applications such as electronic instruments, communication equipment, industrial automation, and distributed power architectures.

 Features:

1. Various input voltages of ±10%, 2:1, 4:1, and 8:1 can meet the system voltages of 5V/ 12V/ 24V/ 48V DC.
2. Four types of mounting options are available.
3. For the encapsulated module type, various packages are available including SMD, DIP, 1" x 1", 2" x 1",  2" x 2", and brick types.

 Compliant with Industrial Control/ICT Safety Certification:

All series：ITE62368-1
RSD-30~300 and DDR-120~480 series：ITE62368-1、EN50155

 Models:

Enclosed Type SD-15~1000 Series, RSD-30~500 Series
Open Frame Type PSD-15~45 Series
DIN Rail Type DDR-15~480 Series
On Board/Module Type SMD encapsulated 1~2W Series, SIP encapsulated 1~9W Series, DIP encapsulated 0.5~20W Series, DIP 1" x 1" Series, DIP 2" x 1" Series,
DIP 2" x 2" Series, 1/2 Brick MHB-75~150 Series, On Board Type NID/NSD Series

Medical Applications

       Medical power supplies are the backbone of medical equipment, making the selection of high-quality, reliable brands essential. MEAN WELL entered the market of medical power supply in 2000 and currently ranks eighth globally in market share. Offer around 500 models of AC-DC and DC-DC power supplies, ranging from 1 to 1000W. Notably, the DC-DC medical-grade converters include the single-output MDS Series and dual-output MDD Series, both available from 1 to 20W, all compliant with safety standards and known for their durability.

 Features:

1. SIP, DIP, 2" x 1" various packages, international standard pin configuration
2. Ultra-low patient leakage current <2 ~ 5μA (depending on model)
3. Input/output features 6KVdc or 4KVac high isolation

 Compliant with Medical Safety Certification:

Medical 60601-1

 Models:

Module Type MDS/MDD01~20 Series

LED Lighting Applications

       MEAN WELL provides DC-DC converters for various applications, including photovoltaic, energy storage, rail transportation, industrial control, information communication, and medical fields. Additionally, we offer LED lighting DC-DC converters that precisely regulate LED current to extend fixture lifespan and maintain consistent brightness and color uniformity. Our product line includes standard current models of 300mA, 350mA, 500mA, 600mA, 700mA, 1000mA, 1200mA, and 1400mA.

 Features:

1. Available models with either low voltage (<60Vdc) or high voltage (380Vdc) input
2. Built-in PWM dimming and remote control switch function
3. Two installation types: plug-in board or wired output

 Complies with LED Lighting Safety Certification:

EN61347, EN55015

 Models:

LDD Series、LDDS-H Series、LDB-L Series、LDH Series、NLDD-H Series、NHDD-40 Series

Product Selection Guide
Series Name Vout Dimension
(LX WX H)
Series Name ： Vout: Dimension (LX WX H)：

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HEADQUARTERS

TEL: +886-2-2299-6100
E-mail: info@meanwell.com

MEAN WELL USA

TEL: +1-510-683-8886
E-mail: info@meanwellusa.com

MEAN WELL EUROPE

TEL: +31-20-758-6000
E-mail: info@meanwell.eu

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