Mean well MDR-20-24 20 Watt Power Supply 24V 1.0A output
MPN: MDR-20-24
Alt. SKU: MDR2024

Why Choose the Mean Well MDR-20-24 DIN Rail Power Supply?
The Mean Well MDR-20-24 is a compact 20W DIN rail power supply designed for small automation, control, and instrumentation applications. Delivering a stable 24V DC output at 0.84A, it features universal AC input, high efficiency, robust protection mechanisms, and a slim design—making it an excellent solution for space-constrained and demanding industrial or building panels.
Key Takeaways
- Output: 24V DC at 0.84A (20.2W)
- Input Voltage: 85–264V AC / 120–370V DC
- High efficiency up to 84%
- Protections: Short circuit, overload, over voltage
- Cooling by free air convection
- Ultra-slim plastic case: 22.5mm width
- DIN rail mountable (TS35/7.5 or TS35/15)
- Operating temperature: -20°C to +70°C
- Compliance: UL508, EN61000-6-2, EN61000-6-4, TUV EN62368-1, CE
Frequently Asked Questions About the Mean Well MDR-20-24
- What is the output voltage and current of the MDR-20-24?
- What input voltages does it support?
- What protection features are included?
- How is the unit cooled?
- How is it mounted?
Mean Well MDR-20-24 Overview
The MDR-20-24 is part of Mean Well’s ultra-slim MDR series, delivering reliable 24V power at 0.84A for compact automation, control, and sensor systems. Its small form factor, wide input compatibility, and built-in protections make it an ideal solution for global installations and tight spaces in industrial and building automation projects.
Speed & Safety Benefits
- Quick installation: Ultra-slim DIN rail mounting saves space and simplifies panel wiring
- Enhanced safety: Built-in protections safeguard equipment and users
- Efficient operation: High efficiency and convection cooling minimize energy waste and heat output
Key Features of the Mean Well MDR-20-24
- Output: 24V DC at 0.84A (20.2W)
- Input Voltage: 85–264V AC / 120–370V DC
- High efficiency up to 84%
- Protections: Short circuit, overload, over voltage
- Cooling by free air convection
- Ultra-slim plastic case: 22.5mm width
- DIN rail mountable (TS35/7.5 or TS35/15)
- Operating temperature: -20°C to +70°C
- Compliance: UL508, EN61000-6-2, EN61000-6-4, TUV EN62368-1, CE
The MDR-20-24 provides a 24V DC output at 0.84A, for a total output power of 20.2W.
This unit supports 85–264V AC or 120–370V DC, making it suitable for global and industrial installations.
It features protection against short circuit, overload, and over voltage for safe and reliable operation.
The MDR-20-24 is cooled by free air convection, with no fan required for silent, maintenance-free operation.
This power supply is designed for DIN rail mounting (TS35/7.5 or TS35/15), enabling quick and secure installation in control panels and enclosures.
Choose the Mean Well MDR-20-24 DIN Rail Power Supply for reliable, compact, and efficient 24V power in your automation and industrial control projects.