# Power Adapter MEAN WELL SCWN03B-03 3W 0.6A Input 18-36V

**URL:** https://aio.lv/en/product--mean-well-scwn03b-03--8119226
**Data updated:** 2026-01-07 09:58 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** SCWN03B-03
**EAN:** 4021087047067
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-scwn03b-03--8119226

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL SCWN03B-03 is a compact power adapter with an input voltage range of 18-36V and an output power of 3W. It provides a stable output current of 0.6A, making it suitable for various electronic applications. This adapter complies with RoHS standards, ensuring environmental safety. With a pack quantity of 700 pieces, it is ideal for bulk purchasing.

## Long description

The MEAN WELL SCWN03B-03 is a compact DC-DC regulated single output converter with an input voltage range of 18–36 VDC and a fixed output of 3.3 VDC at up to 0.6 A. Designed in a DIP through-hole package, it provides 3000 VDC input-to-output isolation and complies with RoHS requirements. Its small form factor and regulated output make it suitable for embedding into electronic equipment and industrial control circuits.
Advantages
The converter delivers a stable 3.3 V output with up to 0.6 A load current and offers high galvanic isolation of 3000 VDC between input and output. The wide input range (18–36 VDC) allows compatibility with varied DC supply systems. The DIP through-hole package simplifies PCB mounting and mechanical retention for prototyping and production runs. RoHS compliance ensures the unit meets environmental substance restrictions.
Suitable for
 Embedded electronics and low-power modules
 Industrial control and automation circuits
 Communication equipment and sensor interfaces
 Prototyping and small-volume PCB assemblies
Key specifications
 Brand: MEAN WELL
 Model / MPN: SCWN03B-03
 Input voltage: 18–36 VDC
 Output voltage: 3.3 VDC
 Output current: 0.6 A (max)
 Output power: 3 W
 Isolation: 3000 VDC I/O
 Package: DIP through-hole
 Compliance: RoHS
How to use
Mount the SCWN03B-03 into a PCB using the DIP through-hole leads and ensure correct input polarity and adequate solder joints. Apply a DC input voltage within the specified 18–36 V range. Connect the regulated 3.3 V output to the load, ensuring the load current does not exceed 0.6 A. Provide appropriate PCB spacing and traces for isolation and routing according to your board design rules.
Usage recommendations
For reliable operation, keep the device within its rated input and output limits, provide proper cooling or ventilation in confined installations, and follow standard PCB creepage and clearance guidelines for 3000 VDC isolation. Verify connections before powering and consider input filtering if the supply is noisy.

## Specifications

| Feature | Value |
|---|---|
| Input voltage | 18 - 36 |
| Output current | 0.6 A |
| Output power | 3 W |

### Certificates

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

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 700 pc(s) |

## FAQ

### How much does the Power Adapter MEAN WELL SCWN03B-03 cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 27.07.2026 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

### Where can I download the instructions for Power Adapter MEAN WELL SCWN03B-03?

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/8119226/64375786_large.webp