# Power Adapter MEAN WELL MDR-20-5

**URL:** https://aio.lv/en/product--mean-well-mdr-20-5--1621121
**Data updated:** 2025-12-29 07:43 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** MDR-20-5
**EAN:** 4021087020923
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.49 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 16.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-mdr-20-5--1621121

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL MDR-20-5 is a reliable power adapter with an input voltage range of 90-264 V and an output power of 20 W at 5 V. It is RoHS compliant, ensuring environmental safety. With a compact design (100 mm depth, 90 mm height) and lightweight (180 g), it is suitable for various applications. Each pack contains 72 units, making it ideal for bulk purchases.

## Long description

The MEAN WELL MDR-20-5 is an AC-DC industrial DIN-rail power supply that delivers 5 V DC at up to 3 A (20 W output). Designed for control cabinets and industrial equipment, it accepts a wide input voltage range of 90–264 V AC and meets RoHS requirements. The unit features a compact plastic case and a lightweight design, suitable for space-constrained installations and bulk deployment.
Advantages
The MDR-20-5 offers a stable 5 V/3 A output with universal AC input coverage, RoHS compliance for reduced environmental impact, and a compact form factor for DIN-rail mounting. Its plastic enclosure and low weight simplify installation and reduce load on mounting rails. Availability in multi-unit packs makes it convenient for projects requiring multiple power supplies.
Suitable for
DIN-rail mounted industrial control panels
Embedded systems and PLC power supply
Automation modules and sensor networks
Bulk installations and distribution boards
Key specifications
Model: MEAN WELL MDR-20-5 (MDR-20-5)
Output: 5 V DC, 3 A (20 W)
Input voltage: 90–264 V AC
Case: plastic, DIN-rail mount
Compliance: RoHS
Dimensions (approx.): 100 mm depth × 90 mm height
Weight (approx.): 180 g
Pack quantity: 72 units per pack
Brand: mean well
EAN: 4021087020923
How to use
Mount the MDR-20-5 on a standard DIN rail inside an enclosure or panel. Connect the AC supply to the input terminals observing correct polarity and local electrical codes. Connect the DC 5 V output to the load, ensuring the current draw does not exceed 3 A. Provide adequate ventilation and avoid placing the unit near heat sources. Follow any additional wiring diagrams or safety instructions from the manufacturer.
Usage recommendations
For reliable operation, verify that the combined load on the 5 V output remains below 3 A, maintain proper ventilation around the unit, and use circuit protection (fuses or breakers) on the AC input according to local regulations.

## Specifications

| Feature | Value |
|---|---|
| Input voltage | 90 - 264 |
| Output voltage | 5 |
| Output current | 3 A |
| Output power | 20 W |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | RoHS |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.18 kg |
| Height | 90 mm |
| Depth | 100 mm |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 72 pc(s) |

## FAQ

### How much does the Power Adapter MEAN WELL MDR-20-5 cost, and is it available for purchase?

The price is 19.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All mean well products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized mean well service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Power Adapter MEAN WELL MDR-20-5?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/1621121/64167349_large.webp