# Mean Well MDR-20-15 Power Supply Unit 20 W 15 V 1.34 A DIN Rail

**URL:** https://aio.lv/en/product--mean-well-mdr-20-15--1621126
**Data updated:** 2026-07-27 18:21 (EEST)
**Category:** Other goods
**Manufacturer:** mean well
**Manufacturer code:** MDR-20-15
**EAN:** 4021087020947
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.99 €
**Prices and availability valid until:** 2026-08-28 23:59
**Price without VAT (21%):** 26.44 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-mdr-20-15--1621126

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.08.2026 | free |
| Pickup points | 31.08.2026 | 1.79 EUR |
| Courier delivery to door | 31.08.2026 | 4.99 EUR |

## Summary description

The Mean Well MDR-20-15 is a reliable 20 W DIN rail power supply unit delivering a 15 V and 1.34 A output. Designed for industrial automation and control systems, it features a wide AC input voltage range of 85 to 264 V, passive cooling, and high reliability with a 236900-hour MTBF. It includes UL508 and TUV EN60950-1 safety approvals for secure and stable operation in various electronic applications.

## Long description

The Mean Well MDR-20-15 Power Supply Unit 20 W 15 V 1.34 A DIN Rail is an AC-DC industrial power supply designed for stable and efficient performance in various automation environments. Housed in a durable plastic case, this unit provides a reliable 15 V output with a 1.34 A current rating, delivering a total power output of 20 watts. It is engineered for seamless mounting on standard DIN rails, making it a space-saving solution for electrical panels and control cabinets.
Advantages
This DIN rail power supply offers high reliability with an impressive mean time between failures of over 230,000 hours, ensuring long-term continuous operation. The wide AC input voltage range from 85 to 264 volts allows for versatile deployment across different global electrical standards. Featuring passive cooling, the unit operates quietly without the need for fans, which reduces mechanical wear and maintenance requirements. Furthermore, it complies with recognized safety standards including UL508 and TUV EN60950-1, providing secure and dependable power management.
Suitable for
Industrial automation systems
Electrical control panels
Building automation and security installations
Instrumentation and measurement equipment
General DIN rail mounted electronic applications
When it may not be suitable
This power supply may not be suitable for applications requiring an output power significantly higher than 20 watts or a voltage other than 15 volts. It is also not designed for outdoor environments without an additional protective weatherproof enclosure.
Key specifications
Power output: 20 W
Output voltage: 15 V DC
Output current: 1.34 A
AC input voltage range: 85 to 264 V
Mounting type: DIN rail
Cooling type: Passive cooling
Enclosure material: Plastic case
How to use
Mount the unit securely onto a standard DIN rail inside an appropriate electrical enclosure or control cabinet. Ensure that the input wiring from your AC power source is correctly connected to the corresponding terminal blocks, respecting local electrical codes and safety practices. Connect the output terminals to your 15 V load, ensuring the total current draw does not exceed 1.34 A. Verify all connections before powering on the system.
What to consider before purchase
Verify that your load requirements match the 15 V and 1.34 A specifications.
Ensure sufficient physical space inside your control panel for DIN rail mounting.
Check that the operating environment adheres to the passive cooling and indoor use requirements.
Usage recommendations: Maintain adequate ventilation around the power supply unit within the control enclosure to optimize thermal performance and prolong operational lifespan.

## Specifications

| Feature | Value |
|---|---|
| Mean time between failures (MTBF) | 236900 h |
| Safety | UL508, TUV EN60950-1 approved |
| Operating relative humidity (H-H) | 20 - 90 |
| Storage temperature (T-T) | -40 - 85 |
| Package weight | 190 g |
| Operating temperature (T-T) | -20 - 70 |
| Storage relative humidity (H-H) | 10 - 95 |
| Height | 90 mm |
| LED indicators | Yes |
| Width | 22.5 mm |
| Depth | 100 mm |
| Product colour | Blue, White |
| Input current | 0.35 - 0.55 |
| Efficiency | 81 % |
| Hold time | 50 ms |
| Rise time | 30 ms |
| Cooling type | Passive |
| Power protection features | Short circuit, Overload, Over voltage |
| AC input frequency | 47 - 63 |
| AC input voltage | 85 - 264 |
| Total power | 20 W |

## FAQ

### How much does the Mean Well MDR-20-15 Power Supply Unit cost, and is it available for purchase?

The price is 31.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 24 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 26.08.2026 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. 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

## Image

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