# Power Supply Unit MEAN WELL MDR-20-24 24 W 85-264 V

**URL:** https://aio.lv/en/product--mean-well-mdr-20-24--9875593
**Data updated:** 2025-12-30 08:38 (EET)
**Category:** Other goods
**Manufacturer:** mean well
**Manufacturer code:** MDR-20-24
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.01 €
**Prices and availability valid until:** 2026-08-17 23:59
**Price without VAT (21%):** 14.06 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-mdr-20-24--9875593

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 28.07.2026 | 1.79 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL MDR-20-24 is a reliable power supply unit with a total power of 24 W. It operates on an AC input voltage of 85 - 264 V and a frequency of 47 - 63 Hz. With a mean time between failures (MTBF) of 236900 hours, it ensures long-lasting performance. The unit is UL508 and TUV EN60950-1 approved, featuring a passive cooling type. Its compact dimensions make it suitable for various applications.

## Long description

MEAN WELL MDR-20-24 is an AC-DC DIN-rail power supply providing 24 W output power. It accepts a wide AC input range of 85–264 V at 47–63 Hz and delivers a DC output suitable for industrial and automation equipment. The unit is housed in a plastic case, uses passive cooling and is designed for mounting on standard DIN rails.
Advantages
The MDR-20-24 offers compact dimensions and reliable operation with a high MTBF of 236,900 hours. It carries UL508 and TUV EN60950-1 approvals, supports wide input voltage range, and provides stable 24 W DC output with protection features typical for MEAN WELL industrial supplies.
Suitable for
Industrial control panels and PLC systems
DIN-rail mounted automation modules
Low-power sensors, relays and small actuators
Embedded systems requiring 24 W regulated DC supply
Key specifications
Model: MEAN WELL MDR-20-24 (MPN: MDR-20-24)
Output: 24 W total power; nominal output voltage 24 V DC (rated current approx. 1.0 A) — see manufacturer datasheet for exact current rating
Input: AC 85–264 V, 47–63 Hz
Cooling: Passive (convection)
Mounting: DIN-rail
Case: Plastic
Approvals: UL508, TUV EN60950-1
MTBF: 236,900 hours
How to use
Mount the unit on a standard DIN rail in a control cabinet or enclosure with adequate ventilation. Connect the AC mains to the input terminals following local electrical regulations and the polarity markings. Connect the DC output to the load, observing correct polarity. Ensure proper grounding of the unit. Refer to the official MEAN WELL wiring diagram and datasheet for terminal assignments and any additional protective device recommendations.
Usage recommendations
Install the MDR-20-24 in an environment within the specified input voltage and ambient temperature ranges, avoid direct exposure to moisture and dust, and allow free airflow around the unit. For critical applications, consider adding input fuses and output protection as recommended in the manufacturer documentation.

## 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 | 100 g |
| Operating temperature (T-T) | -20 - 70 |
| Storage relative humidity (H-H) | 10 - 95 |
| Height | 90 mm |
| LED indicators | Y |
| Width | 22.5 mm |
| Depth | 100 mm |
| Product colour | Blue, White |
| Input current | 0.35 - 0.55 |
| Efficiency | 84 % |
| 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 | 24 W |

## FAQ

### How much does the Power Supply Unit MEAN WELL MDR-20-24 cost, and is it available for purchase?

The price is 17.01 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 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 Thursday 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

## Image

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