# Power Adapter MEAN WELL DDR-120B-12

**URL:** https://aio.lv/en/product--mean-well-ddr-120b-12--3724334
**Data updated:** 2025-12-29 13:46 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** DDR-120B-12
**EAN:** 4021087051033
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 81.90 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 67.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-ddr-120b-12--3724334

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL DDR-120B-12 is a reliable power adapter with an input voltage range of 16.8 - 33.6 V and an output power of 120 W at 12 V. It is compact with dimensions of 32 mm width, 102 mm depth, and 125.2 mm height. This adapter is RoHS compliant, ensuring it meets environmental standards. Ideal for various applications, it comes in packs of 28 pieces, making it a great choice for bulk needs.

## Long description

The MEAN WELL DDR-120B-12 is an ultra-slim DC-DC industrial DIN-rail converter with a wide input range of 16.8–33.6 V DC and a single 12 V DC output rated at 10 A (120 W). The compact metal enclosure measures 32 mm (W) × 102 mm (D) × 125.2 mm (H) and the unit is RoHS compliant, suitable for space-constrained control cabinets and industrial power distribution.
Advantages
The DDR-120B-12 provides stable 12 V output with up to 10 A current in a very narrow housing designed for DIN-rail mounting. Its wide input range accommodates battery-backed or variable-voltage systems, while RoHS compliance ensures adherence to environmental regulations. The converter's compact footprint allows installation in dense equipment racks or small enclosures.
Suitable for
 Industrial control cabinets and automation panels
 Rail-mounted power distribution for PLCs and field devices
 Battery-backed systems and voltage conversion in vehicles or machinery
 OEM equipment where space is limited
Key specifications
 Model: MEAN WELL DDR-120B-12 (MPN: DDR-120B-12, EAN: 4021087051033)
 Input voltage: 16.8–33.6 V DC
 Output: 12 V DC, 10 A (120 W)
 Dimensions: 32 mm × 102 mm × 125.2 mm (W × D × H)
 Mounting: DIN-rail
 Compliance: RoHS
 Pack quantity: 28 pieces
How to use
Mount the converter on a standard DIN rail inside the control cabinet. Connect the DC input to a suitable 16.8–33.6 V supply, observing polarity and using appropriately rated wiring and fuses. Connect the 12 V DC output to the load, ensuring the total current draw does not exceed 10 A. Allow adequate ventilation around the device and follow local electrical codes during installation.
Usage recommendations
For reliable operation, avoid exceeding the specified input range and output current; use short, properly rated cables and install protective fusing on the input side. When used in battery-backed systems, verify transient conditions and provide additional filtering if necessary.

## Specifications

| Feature | Value |
|---|---|
| Input voltage | 16.8 - 33.6 |
| Output voltage | 12 |
| Output current | 10 A |
| 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-120B-12 cost, and is it available for purchase?

The price is 81.90 € (valid at the time of publication and already includes all taxes). The item is available for order — 123 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, Installment. All transactions are 100% secure and encrypted.

### Can Power Adapter MEAN WELL DDR-120B-12 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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-120B-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/3724334/64226355_large.webp