# MEAN WELL DDR-120A-12 power adapter 120 W 12 V RoHS

**URL:** https://aio.lv/en/product--mean-well-ddr-120a-12--4439277
**Data updated:** 2026-01-07 09:58 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** DDR-120A-12
**EAN:** 4021087051064
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 112.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 93.38 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-ddr-120a-12--4439277

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Pickup points | 03.08.2026 | 1.89 EUR |
| Courier delivery to door | 03.08.2026 | 4.99 EUR |

## Summary description

The MEAN WELL DDR-120A-12 is a reliable power adapter with an output power of 120 W and output voltage of 12 V. It is RoHS compliant, ensuring environmental safety. With compact dimensions of 32 mm width, 102 mm depth, and 125.2 mm height, it is suitable for various applications. This adapter is designed for efficiency and durability, making it ideal for powering devices that require stable voltage.

## Long description

The MEAN WELL DDR-120A-12 is an ultra-slim industrial DC-DC DIN-rail converter that accepts a 9–18 V DC input and provides a single regulated 12 V DC output rated at 8.3 A (120 W). The module is RoHS compliant and has compact DIN-rail-friendly dimensions (32 mm × 102 mm × 125.2 mm), designed for reliable voltage conversion in control cabinets and industrial automation equipment.
Advantages
The DDR-120A-12 delivers a stable 12 V output with 120 W continuous power in a narrow, space-saving housing suitable for DIN-rail mounting. RoHS compliance ensures reduced environmental impact, and the converter’s industrial design supports integration into control panels and automation systems where reliable DC-DC conversion is required.
Suitable for
Powering 12 V devices in industrial control cabinets
Battery-backed systems and vehicle electronics with 9–18 V input ranges
Automation modules, PLCs, and field instrumentation
Key specifications
Input voltage: 9–18 V DC
Output voltage: 12 V DC
Output current: 8.3 A
Output power: 120 W
Mounting: DIN-rail
Dimensions (W×D×H): 32 × 102 × 125.2 mm
Compliance: RoHS
Brand / MPN / EAN: MEAN WELL / DDR-120A-12 / 4021087051064
How to use
Mount the converter on a standard DIN rail inside a control cabinet. Connect a suitable 9–18 V DC supply to the input terminals observing polarity. Connect the 12 V DC output to the load, ensuring the load current does not exceed 8.3 A. Provide adequate ventilation and follow national electrical codes and MEAN WELL wiring instructions during installation.
Usage recommendations
Install the unit in an environment within the manufacturer’s specified temperature range, avoid excessive vibration, and use proper fusing on input and output circuits to protect the converter and connected equipment.

## Specifications

| Feature | Value |
|---|---|
| Output voltage | 12 |
| Output power | 120 W |

### Certificates

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.51 kg |
| Height | 125.2 mm |
| Width | 32 mm |
| Depth | 102 mm |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 28 pc(s) |

## FAQ

### How much does the power adapter MEAN WELL DDR-120A-12 cost, and is it available for purchase?

The price is 112.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 29.07.2026 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 DDR-120A-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/4439277/64285103_large.webp