Features & Benefits
- Universal AC input range
- Protections: Short-circuit, Overload, Overvoltage
- 100% Full load burn-in test
- Soft-start circuit, limiting AC surge current
- 3-year warranty
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Item #:
11926847
Mean Well MDR-20-5 AC to DC DIN-Rail Power Supply 5V 3 Amp 15W
Item #:
11926847
ETB 4258
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15W DIN-RAIL SWITCHING POWER SUPPLY with universal AC input range and multiple protections
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What Stands Out
Compact Design
The MEAN WELL MDR-20-5's small DIN-rail form factor ensures easy installation, making it perfect for confined spaces and optimizing panel layout for industrial applications.
Reliable Output
Providing a stable 5V at 3 Amps, this power supply ensures consistent power delivery, essential for maintaining the performance of sensitive electronic components in various applications.
High Efficiency
With an efficiency rating of up to 85%, this power supply minimizes energy waste, reducing operational costs and contributing to sustainable energy usage in professional environments.
Product Details
- 15W DIN-RAIL SWITCHING POWER SUPPLY
- Universal AC input range
- Protections against short-circuits, overload, and overvoltage
- Input Voltage: 85-264VAC 47-63Hz, or 120-370VDC
- Size: 3.9 x 0.9 x 3.5
- 3-year warranty
| Compatible Devices | Personal Computer |
| Connector Type Used on Cable | ATX |
| Output Wattage | 15 Watts |
| Form Factor | DIN-RAIL |
| Wattage | 15 watts |
| Cooling Method | Air |
| Power Supply Design | External |
| Current Rating | 3 Amps |
| Maximum Input Voltage | 230 Volts |
| Minimum Input Voltage | 85 Volts |
| System Bus Connector Type | 24 Pin |
| Item Dimensions | 0.89 x 3.94 x 3.54 inches (2.3 x 10 x 9 cm) |
| Item Weight | 0.34 Pounds (150 grams) |
| Model Name | MDR-20-5 |
| Brand | MEAN WELL |
| Manufacturer | MEAN WELL |
| UPC | 763230536014 647336000078 722851904831 |
| Global Trade Identification Number | 00840406201690 |
| Mfr Part Number | MDR-20-5 |
| Model Number | MDR-20-5 |
| Item Type Name | AC to DC DIN-Rail Power Supply 5V 3A 15W |
| Unit Count | 1.0 Count |
| Connector Type | ATX |
| Item dimensions L x W x H | 0.89 x 3.94 x 3.54 inches (2.3 x 10 x 9 cm) |
Who Should Buy?
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Small Projects
Ideal for hobbyists and DIY enthusiasts needing a reliable 5V power supply for small electronics projects.
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Industrial Use
Perfect for powering sensors, controllers, and other equipment in industrial automation applications.
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Compact Solutions
Convenient size for installations with space limitations, making it great for compact setups.
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High Power Needs
Unsuitable for applications requiring more than 3 amps or higher power outputs.
Product Description
Mean Well MDR-20-5 AC to DC DIN-Rail Power Supply 5V 3 Amp 15W
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the output voltage and current rating of the MDR-20-5 DIN-Rail Power Supply?
Answer: The MDR-20-5 DIN-Rail Power Supply provides a fixed output of 5V with a current rating of 3 Amps. This specific setup ensures that it can deliver up to 15 Watts of power, making it suitable for various low-power applications. It is often used in electronic projects, industrial controls, and low-voltage devices, providing reliable power to systems that operate at 5V. -
Question:
What are the main applications for the MDR-20-5 Power Supply?
Answer: The MDR-20-5 Power Supply is ideal for various applications such as powering sensors, controllers, and automation equipment that require a stable 5V supply. It is widely used in industrial settings, telecommunications, and even hobbyist projects. This versatility makes it a popular choice for professionals and DIY enthusiasts alike, ensuring reliable operation in critical setups. -
Question:
Is the MDR-20-5 Power Supply suitable for use in harsh environments?
Answer: Yes, the MDR-20-5 DIN-Rail Power Supply is designed to operate effectively in various environments, including those with dust, humidity, and temperature fluctuations. Its robust design includes protection against short circuits, overloads, and overvoltage, which ensures a long lifespan and dependable performance. This makes it suitable for industrial sectors, remote monitoring equipment, and many electronics applications. -
Question:
Can the MDR-20-5 Power Supply be mounted on a DIN rail?
Answer: Absolutely! The MDR-20-5 is specifically designed for DIN rail mounting, allowing for efficient space management in control cabinets and electrical panels. This mounting style provides a secure fit and simplifies the installation process, making it a practical solution for any project where organized and accessible power supplies are required. -
Question:
What kind of input voltage does the MDR-20-5 accept?
Answer: The MDR-20-5 Power Supply accepts a wide input voltage range of 85 to 264V AC. This flexibility allows it to be used in different regions of the world with varying voltage standards, enabling it to deliver reliable power across a broad spectrum of applications, from commercial to industrial usages without the need for additional transformers or converters. -
Question:
How does the efficiency of the MDR-20-5 Power Supply compare to others?
Answer: The MDR-20-5 boasts a high efficiency rating, typically exceeding 85%. This means that less energy is wasted as heat, making it more economical and environmentally friendly compared to less efficient power supplies. High efficiency is particularly beneficial in applications where power consumption is a critical factor, such as in battery-operated devices or systems requiring continuous operation. -
Question:
What safety features are included in the MDR-20-5 Power Supply?
Answer: The MDR-20-5 is equipped with multiple safety features including short circuit protection, overload protection, and overvoltage protection. These features ensure that the power supply operates safely within its specifications under various load conditions. Such safety measures make it an exceptional choice for powering sensitive electronic equipment and critical systems. -
Question:
Is the MDR-20-5 suitable for powering Raspberry Pi or Arduino projects?
Answer: Yes, the MDR-20-5 Power Supply is an excellent choice for powering Raspberry Pi or Arduino projects that require a 5V input. Its stable output and sufficient current rating provide reliable energy to microcontrollers, sensors, and various peripherals. This makes it a preferred power supply solution for hobbyists and developers working on embedded systems or robotics. -
Question:
What is the physical size of the MDR-20-5, and does it fit in standard enclosures?
Answer: The MDR-20-5 Power Supply features a compact design, measuring typically around 90mm x 50mm x 100mm, which allows it to fit into standard DIN rail enclosures comfortably. This space-efficient design enables easy integration into control panels, ensuring a neat and organized setup without overcrowding other components. -
Question:
Where can I buy the MDR-20-5 AC to DC DIN-Rail Power Supply 5V 3 Amp 15W in Ethiopia?
Answer: You can purchase the MDR-20-5 AC to DC DIN-Rail Power Supply 5V 3 Amp 15W from Ubuy in Ethiopia. Ubuy offers a convenient platform to find and order this power supply, ensuring that you receive it swiftly and efficiently. Their wide selection and customer service make it easier for both professionals and hobbyists to obtain reliable components for their projects.
MEANWELL Power Supplies MDR-20-5 Editorial Review
The Mean Well MDR-20-5 is a reliable and high efficiency switching power supply that works well with a range of electronic devices. It has an output voltage range of 4.75-5.5VDC and can be used to power devices that require 5V at 2.5 amps. It cannot be run at 6VDC output or on North America 240VAC split phase L1-L2. It is a clean power source that has higher efficiency and lower power dissipation compared to a regular wall wart power unit. It can be plugged directly into a wall outlet with the right power cord. It is not recommended to power multiple devices with this small capacity power supply.
Customer Reviews & Ratings
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Pros
- Reliable and high efficiency
- Easy to wire up and mount to DIN rail
- Provides Consistent power
- Inexpensive and fits well with a range of devices
Cons
- Only 1 set of plus and ground terminals on the output
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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