# MEAN WELL DCWN03C-12 electric converter 3 W 36-72 V 125 mA

**URL:** https://aio.lv/en/product--mean-well-dcwn03c-12--4222102
**Data updated:** 2026-01-13 21:20 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** mean well
**Manufacturer code:** DCWN03C-12
**EAN:** 4021087046893
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 19.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-dcwn03c-12--4222102

## 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 DCWN03C-12 is a compact electric converter with a power rating of 3 W. It accepts a DC input voltage range of 36 to 72 V and provides an output current of 125 mA. This converter is ideal for various applications requiring reliable power conversion in a small form factor.

## Long description

The MEAN WELL DCWN03C-12 electric converter 3 W 36-72 V 125 mA is a compact DC-DC converter designed to deliver a regulated output current from a wide DC input range. Intended for installations where space is limited, this converter accepts 36–72 V DC and supplies a stable 125 mA output with a rated power of 3 watts. The small form factor and straightforward electrical characteristics make it suitable for embedded systems, lighting drivers, and industrial control circuits that require a low-power, constant-current source.
Advantages
This converter offers a wide input voltage range that accommodates varying supply conditions and simplifies system design. Its low power rating and constant-current output provide predictable behavior for LED loads and other current-driven devices. The compact size reduces installation space and allows placement in constrained enclosures. The design emphasizes electrical stability and ease of integration into existing low-voltage DC systems.
Suitable for
Low-power LED modules and indicator lighting requiring a constant current source
Small embedded and IoT devices with a 36–72 V supply rail
Industrial control circuits and sensor interfaces needing regulated current
Battery-powered or vehicle systems operating within the specified input range
Key specifications
Input voltage range: 36–72 V DC
Output: constant current 125 mA
Rated output power: 3 W
Form factor: compact, suitable for constrained installations
Intended operation: low-power DC-DC conversion for current-driven loads
How to use
Connect the converter to a stable DC supply within the 36–72 V range, observing correct polarity. Wire the load to the converter’s output so that the device provides the specified 125 mA constant current. Ensure that the connected load and wiring do not exceed the rated 3 W output power. Mount the unit in a location with adequate ventilation and secure electrical connections to prevent loosening under vibration or thermal cycling.
Usage recommendations
Verify compatibility of the load with a constant-current supply and ensure the power dissipation of the load and wiring remains within safe limits. Provide sufficient clearance for heat dissipation, avoid exposure to moisture and corrosive environments, and include appropriate fusing on the input side to protect against overcurrent conditions.

## Specifications

| Feature | Value |
|---|---|
| Power | 3 W |
| On/off switch | No |
| Output current | 125 mA |
| DC input voltage | 36 - 72 |
| USB connectivity | No |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -40 - 90 |

### Ports & interfaces

| Feature | Value |
|---|---|

### Other features

| Feature | Value |
|---|---|
| Type | DC/DC |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0125 kg |
| Height | 10.2 mm |
| Width | 20.3 mm |
| Depth | 31.8 mm |

### Power

| Feature | Value |
|---|---|
| Output voltage | -12 - 12 |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |

### Performance

| Feature | Value |
|---|---|
| Certification | RoHS, EN55032, CE, EAC |

### Logistics data

| Feature | Value |
|---|---|
| Country of origin | China |

## FAQ

### How much does the MEAN WELL DCWN03C-12 electric converter cost, and is it available for purchase?

The price is 23.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 117 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, product colour, 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 MEAN WELL DCWN03C-12 electric converter?

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/4222102/64263667_large.webp