MEAN WELL SDR Series DIN Rail Power Supplies — High-Efficiency Power for Demanding Industrial Applications
The MEAN WELL SDR Series, like SDR-240-24 is a premium line of DIN rail-mounted AC/DC power supplies specifically engineered for industrial control systems, machine automation, and smart building infrastructure. With a high efficiency of up to 94%, compact form factor, and built-in redundancy and protection functions, SDR Series power supplies deliver reliable performance in space-limited and harsh environments.
Designed to operate with universal input (88–264VAC) and featuring active PFC, the SDR series provides output ratings from 75W to 960W, with standard output voltages of 12V, 24V, and 48V. These power supplies are UL508 and EN61000-6-2 compliant, ensuring global safety and electromagnetic compatibility for mission-critical systems.

Product Highlights
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Universal AC input / Full range (88-264 VAC)
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High efficiency up to 94% and low no-load power consumption
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Slim DIN rail mounting (TS-35/7.5 or 15)
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Output options: 12V / 24V / 48V (depending on model)
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Active PFC function (≥ 120W)
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Built-in constant current limiting circuit
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Wide operating temperature range: -25°C to +70°C
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Full protections: Short circuit, Overload, Overvoltage, Overtemperature
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Redundancy function (SDR-480 & SDR-960 models)
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Certifications: UL, TUV, CE, CB, EAC
The SDR Series is designed for industrial reliability, making it a top choice for integrators, panel builders, and automation engineers seeking stability, power density, and space efficiency.
Application Fields
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Factory and Process Automation
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PLC and SCADA Control Panels
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Industrial Robotics and Motion Control
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Intelligent Lighting Systems
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Building Management Systems (BMS)
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Energy Control Units (Solar / Battery Systems)
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Security and Monitoring Infrastructure
These units like SDR-240-24, are ideal for powering DIN rail-mounted industrial devices in applications where uptime, longevity, and energy efficiency are key.
SDR Series Technical Specification Table
| Model | Output Voltage | Rated Power | Efficiency | Dimensions (W x H x D) |
|---|---|---|---|---|
| SDR-75 | 12V / 24V / 48V | 75W | Up to 90% | 32 x 125.2 x 102mm |
| SDR-120 | 12V / 24V / 48V | 120W | Up to 91% | 40 x 125.2 x 113.5mm |
| SDR-240 | 24V / 48V | 240W | Up to 93% | 63 x 125.2 x 113.5mm |
| SDR-480 | 24V / 48V | 480W | Up to 94% | 85.5 x 125.2 x 128.5mm |
| SDR-960 | 24V / 48V | 960W | Up to 94% | 110 x 125.2 x 150mm |
RUIDELI Technology — Original MEAN WELL Power Supplies
As an authorized distributor, RUIDELI Technology offers the full range of MEAN WELL SDR series power supplies with technical support, fast delivery, and competitive pricing. Whether you’re building a factory automation panel or deploying intelligent systems in the field, our DIN rail solutions are engineered to perform.
Learn more at: www.ruidelitechnology.com










