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Mean well MDR-20-12 20 Watt Power Supply 12V 1.6A output
MPN: MDR-20-12
Alt. SKU: MDR2012
£22.08
£18.40
Why Choose the Mean Well MDR-20-12 20 W DIN Rail Power Supply?
The Mean Well MDR-20-12 is a dependable 20 W DIN rail power supply providing a stable 12 V DC output at 1.67 A, designed for control panels, automation systems, sensors, signalling circuits and embedded electronics. Featuring a wide input voltage range, built-in protections and efficient fanless convection cooling, the MDR-20-12 delivers reliable performance in compact electrical enclosures and industrial environments.
Whether you’re specifying power for a new control cabinet, upgrading an existing panel, or replacing a worn-out module, the MDR-20-12 balances dependable performance with a slim DIN rail form factor that helps maximise panel space and simplify wiring organisation.
Product Code: Mean Well MDR-20-12
Key Benefits
- Stable 12 V output: Provides regulated 12 V DC at up to 1.67 A for industrial automation and control peripherals.
- Universal AC input: Works with 85–264 V AC or 120–370 V DC, ensuring flexible global installation compatibility.
- Fanless convection cooling: Quiet and maintenance-free operation with improved reliability.
- Space-saving DIN rail design: Slim profile supports tidy panel layouts and efficient cabinet space use.
- Built-in protections: Includes short circuit, overload and overvoltage safeguards for system safety.
- Low idle power draw: Efficient operation reduces energy waste and lowers operating costs.
Technical Specifications
- Manufacturer: Mean Well
- Model: MDR-20-12
- Output Voltage: 12 V DC
- Output Current: 1.67 A
- Output Power: 20 W
- Output Ripple & Noise: ~80 mV p-p (typical)
- Input Voltage Range: 85–264 V AC / 120–370 V DC
- Input Frequency: 47–63 Hz
- Cooling Method: Free air convection (fanless)
- Mounting: DIN rail TS-35/7.5 or TS-35/15
- Protections: Short circuit, overload, overvoltage
- No-load Power Consumption: <e; 1 W
- Isolation Voltage: 3000 VAC input-to-output
- Dimensions: ~22.5 × 90 × 100 mm
- Operating Temperature: -20 °C to +70 °C (with derating)
- Approvals: UL508, TUV/EN62368-1, CE, cURus, CB
Compatibility
The Mean Well MDR-20-12 is designed for systems requiring a compact 12 V DC DIN rail power supply. Always verify that the output voltage and current match your load requirements before installation.
Applications
- Industrial control panels and automation cabinets
- PLC power distribution and sensor networks
- Signal conditioning and instrumentation circuits
- Embedded controllers and low-power devices
- OEM drives, access control and building automation modules
- Maintenance, replacement and system upgrades
Supplied as a new, unused genuine Mean Well power supply, ideal for professional electrical installations and industrial automation applications.
Frequently Asked Questions
What output voltage and current does the MDR-20-12 provide?
The Mean Well MDR-20-12 delivers a stable 12 V DC output at 1.67 A, giving 20 W of power for industrial and automation applications.
What input voltage ranges does it accept?
This unit supports a wide range of inputs — 85–264 V AC or 120–370 V DC — suitable for installations in varied regions and applications.
Does the MDR-20-12 require fans or special cooling?
No. The unit uses fanless convection cooling, which reduces noise, simplifies wiring and decreases maintenance requirements.
What protections are included?
It includes built-in short circuit, overload and overvoltage protections to safeguard the unit and connected devices.
Is the MDR-20-12 suitable for continuous operation?
Yes. With industry approvals and Mean Well’s proven build quality, this power supply is suitable for continuous use in industrial and commercial environments.
Common Search Terms
MDR-20-12, Mean Well MDR-20-12, 12 V DIN rail power supply, 20 W DIN rail PSU, industrial automation power supply, MDR20-12 installation.
| Manufacturer Part Number | MDR-20-12 |
|---|---|
| Barcode | 4711287421971 |
| Manufacturer | Meanwell |
| Output Voltage | 12VDC |
| Output Current | 1.6A |
| Input Phases | Single Phase |
| Alternative Product SKU | MDR2012 |
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. |
