Mean well MDR-20-15 20 Watt Power Supply 15V 1.3A output

MPN: MDR-20-15

Alt. SKU: MDR2015

Special Price £15.46 £12.88 Regular Price £22.08

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Why Choose the Mean Well MDR-20-15 DIN Rail Power Supply?

The Mean Well MDR-20-15 is a compact 20W DIN rail power supply, designed for small automation, process control, and instrumentation projects. Delivering a reliable 15V DC output at 1.34A, it features universal AC input, robust protections, high efficiency, and a slim plastic housing—making it an excellent solution for space-constrained and demanding panel applications.

Key Takeaways

  • Output: 15V DC at 1.34A (20.1W)
  • Input Voltage: 85–264V AC / 120–370V DC
  • High efficiency up to 83%
  • 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-20-15

Mean Well MDR-20-15 Overview

The MDR-20-15 is part of Mean Well’s ultra-slim MDR series, providing dependable 15V power at 1.34A for compact automation, signal, and sensor applications. Its small form factor, wide input compatibility, and built-in protections make it a reliable choice for global installations where space is at a premium.

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-20-15

  • Output: 15V DC at 1.34A (20.1W)
  • Input Voltage: 85–264V AC / 120–370V DC
  • High efficiency up to 83%
  • 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-20-15 provides a 15V DC output at 1.34A, for a total output power of 20.1W.

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-20-15 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-20-15 DIN Rail Power Supply for reliable, compact, and efficient 15V power in your automation and industrial control projects.

The Mean Well DIN rail single phase range of MDR and DR power supplies are ideal for use inside control panels and powering a variety of other industrial applications within the control and automation market. The switched-mode PSUs within this range boast a miniature profile; perfect for when space is of a premium. The units range from 10 Watts to 100 Watts with output voltages between 5V and 48V DC.