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Mean Well DC/DC Converters

DDR Range

The MEAN WELL DDR Series, a selection of DIN Rail Mounted DC/DC Power Supplies. Featuring a 2:1 or 4:1 wide input range, these converters are designed to adapt to various voltage conditions effortlessly. With a fanless design and cooling by free air convection, the DDR Series offers the form factors you come to expect form their HDR series of power supplies. Equipped with comprehensive protections against short circuits, overload, overvoltage, input reverse polarity, and input under voltage, these power supplies prioritise the safety of your systems. With useful features such as an LED power indicator for clear status monitoring, these units offer solutions in a simple to understand manner. With 4KVdc reinforced isolation, ultra-slim dimensions, and a generous warranty, the MEAN WELL DDR Series offers another dependable power solution for your projects.

SD Series

Introducing the SD Series: versatile DC-DC converters designed for reliability and performance. With a 2:1 wide input range (4:1 for SD-500/1000), these converters accommodate various voltage conditions efficiently. Models offer 1.5~2KVAC isolation for enhanced safety and feature a 1U low profile (41mm), offering a useful chassis mount option. Additionally, the SD-500/1000 provides a 12V/0.25A auxiliary output for added functionality. With built-in remote ON/OFF control and remote sense capabilities for the SD-500/1000, these converters offer convenient monitoring and control options.

RSD Series

Introducing the RSD-30, a robust 30W enclosed type DC-DC railway converter engineered for reliability and performance. Compliant with BS EN/EN50155/IEC60571 railway standards, this series offers three models with 4:1 wide input ranges (9-36V/1872V/40160V), ideal for various transportation systems. Designed to operate in extreme conditions (-40~+70°C), with low ripple and noise and 4KVDC I/P-OP isolation, the RSD ensures dependable performance in harsh environments. With a low enclosure profile  and semi-potted silicone interior, it is suitable for in-car systems, railway facilities, trams, buses, and other applications with high vibration, dust, and temperature fluctuations. Choose from various output voltages (depending on output size) to meet your specific requirements.