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MDR-20-5 Power Supply 85-264VAC 1 Phase input, output 5 volts DC 3.0 Amps
MPN: MDR-20-5
Alt. SKU: MDR205
£22.08
£18.40
Why Choose the Mean Well MDR-20-5?
The Mean Well MDR-20-5 is a compact and dependable 20 W DIN rail power supply designed to deliver stable 5 V DC output at up to 4 A for industrial control panels, embedded electronics, low-power automation systems and signalling circuits. Its ultra-slim DIN rail mount form factor makes it ideal for space-restricted electrical cabinets and tidy panel layouts.
Featuring a wide universal AC input range, fan-free convection cooling and robust protection features, the MDR-20-5 delivers quiet, low-maintenance performance across industrial, commercial and building installations. It’s an excellent choice for panel builders, machine integrators and maintenance engineers who need compact yet reliable 5 V DC power.
Product Code: Mean Well MDR-20-5
Key Benefits
- Stable 5 V DC output: Provides regulated 5 V DC at up to 4 A for control, automation and embedded loads.
- 20 W rated power: Suitable for low-power DC applications and signalling circuits.
- Universal input range: Works with a wide AC input range for flexible installation options.
- Fan-free convection cooling: Quiet, maintenance-free operation.
- Ultra-slim DIN rail mount: Saves panel space and supports neat wiring layouts.
- Protection features: Built-in safeguards against short circuit, overload and over-voltage help protect both the PSU and connected equipment.
Technical Specifications
- Manufacturer: Mean Well
- Model: MDR-20-5
- Product type: DIN rail power supply
- Rated output power: 20 W
- Output voltage: 5 V DC
- Output current: Up to 4 A
- Input voltage range: Universal AC input (typically 85 – 264 V AC / 120 – 370 V DC)
- Cooling method: Free air convection (fanless)
- Mounting: DIN rail TS-35
- Protection functions: Short circuit, overload, over-voltage
Compatibility
The Mean Well MDR-20-5 is suitable for small control panels, embedded systems, low-power automation equipment and signalling applications that require compact and dependable 5 V DC power. Always ensure your load’s voltage and current requirements match this unit’s ratings before installation.
Applications
- Small control panels and automation cabinets
- Embedded controllers and low-power electronics
- Sensors, signalling circuits and instrumentation systems
- OEM and machine control applications requiring 5 V DC
- Low-power industrial and building systems
Supplied as a new, unused genuine Mean Well product suitable for professional electrical installations.
Frequently Asked Questions
What output does the Mean Well MDR-20-5 provide?
The MDR-20-5 delivers a regulated 5 V DC output at up to 4 A, providing a total rated power of 20 W suitable for low-power industrial, automation and embedded applications.
What input voltage range does it support?
It supports a wide universal AC input range, making it suitable for installations across industrial, commercial and building environments.
Does the MDR-20-5 require a fan?
No. This unit uses fan-free convection cooling, enabling quiet and low-maintenance operation inside electrical cabinets.
What protections are built in?
It includes built-in protection against short circuit, overload and over-voltage to help safeguard both the power supply and connected equipment.
Where is this PSU commonly used?
It’s commonly installed in small panels, embedded systems and low-power automation applications where compact and dependable 5 V DC power is needed.
Common Search Terms
MDR-20-5, Mean Well MDR-20-5, 5 V 20 W DIN rail power supply, industrial 5 V PSU, automation DIN rail PSU.
| Manufacturer Part Number | MDR-20-5 |
|---|---|
| Manufacturer | Meanwell |
| Output Voltage | 5VDC |
| Output Current | 3A |
| Input Phases | Single Phase |
| Alternative Product SKU | MDR205 |
Write Your Own Review
| 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. |
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