# Power Adapter MEAN WELL DRA-40-12 40W 12V 90-264V

**URL:** https://aio.lv/en/product--mean-well-dra-40-12--3738241
**Data updated:** 2025-12-29 13:47 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** DRA-40-12
**EAN:** 4021087038690
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 41.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 34.70 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-dra-40-12--3738241

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL DRA-40-12 is a reliable power adapter with an input voltage range of 90-264V and an output power of 40W at 12V. It is compact with dimensions of 40mm width, 100mm depth, and 90mm height. This adapter complies with RoHS standards, ensuring it meets environmental safety requirements. Ideal for various electronic applications requiring stable power supply.

## Long description

The MEAN WELL DRA-40-12 is an AC-DC industrial DIN-rail power supply that delivers 12V DC at up to 3.34A (40W). It accepts a wide input voltage range of 90–264V AC and comes in a compact plastic enclosure sized 40mm (W) × 100mm (D) × 90mm (H). The unit complies with RoHS requirements and is intended for applications that need a stable 12V DC rail on DIN mounting.
Advantages
This DIN-rail power supply provides a stable 12V output with 40W total power and supports dimming control via 0–10V DC / PWM / resistance input. Its wide AC input range allows use in international mains systems, while the compact plastic case and DIN-rail mounting save panel space and simplify installation. RoHS compliance ensures adherence to environmental safety standards.
Suitable for
Industrial control cabinets and automation systems
LED lighting drivers and dimming circuits using 0–10V or PWM control
Embedded electronics and small appliances requiring 12V DC
Field installations where DIN-rail mounting is required
Key specifications
Brand: mean well
Model: DRA-40-12 (MPN: DRA-40-12)
Output: 12V DC, 3.34A, 40W
Input voltage: 90–264V AC
Dimensions: 40 × 100 × 90 mm (W × D × H)
Case: plastic, DIN-rail mount
Control: Dimming via 0–10V DC, PWM or resistance
Compliance: RoHS
EAN: 4021087038690
How to use
Mount the power supply on a standard DIN rail and connect the AC input to a correctly rated mains supply within 90–264V AC. Connect the 12V DC output to the load ensuring the combined current does not exceed 3.34A. For dimming control, use the 0–10V DC input or apply an appropriate PWM or resistance control signal according to the installation wiring diagram. Ensure proper wiring, secure terminal connections and observe polarity when connecting the DC output.
Usage recommendations
Install the unit in a well-ventilated enclosure and avoid placing it near heat sources. Use appropriate fusing on the input and follow local electrical codes. Verify load current and derating requirements in high-temperature environments to ensure reliable long-term operation.

## Specifications

| Feature | Value |
|---|---|
| Input voltage | 90 - 264 |
| Output voltage | 12 |
| Output power | 40 W |

### Certificates

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.28 kg |
| Height | 90 mm |
| Width | 40 mm |
| Depth | 100 mm |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 42 pc(s) |

## FAQ

### How much does the Power Adapter MEAN WELL DRA-40-12 cost, and is it available for purchase?

The price is 41.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 23 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 23.07.2026 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. 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 DRA-40-12?

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/3738241/64226463_large.webp