# Electric Converter MEAN WELL SD-50B-12

**URL:** https://aio.lv/en/product--mean-well-sd-50b-12--1834727
**Data updated:** 2025-12-29 07:49 (EET)
**Category:** Other goods
**Manufacturer:** mean well
**Manufacturer code:** SD-50B-12
**EAN:** 4021087001922
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 38.43 €
**Prices and availability valid until:** 2026-08-28 23:59
**Price without VAT (21%):** 31.76 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-sd-50b-12--1834727

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Tuesday | free |
| Pickup points | 07.08.2026 | 1.79 EUR |
| Courier delivery to door | 07.08.2026 | 4.99 EUR |

## Summary description

The MEAN WELL SD-50B-12 is a reliable electric converter with a power output of 50.4 W. It features a compact design with dimensions of 97 mm width, 159 mm depth, and 38 mm height. The converter supports a DC input voltage range of 19 - 36 V and provides an output current of 4200 mA, making it suitable for various applications. Its robust construction ensures durability and efficiency in power conversion.

## Long description

The MEAN WELL SD-50B-12 is an electric converter delivering 50.4 W output in a compact enclosure (97 mm × 159 mm × 38 mm). It accepts a DC input range of 19–36 V and provides a regulated 12 V output with up to 4.2 A load current. The unit includes 1500 VAC input-to-output isolation, an internal EMI filter and is designed for reliable, low-ripple power conversion with fixed switching frequency operation.
Advantages
The converter offers a wide 2:1 input range, built-in protections against short circuit, overload and over-voltage, and a 1500 VAC I/O isolation barrier. It features a built-in EMI filter for reduced noise, low ripple output, a fixed 83 kHz switching frequency for predictable performance, and has passed 100% full-load burn-in testing. The design targets high reliability at a low cost and comes with a 2-year warranty.
Suitable for
Industrial control systems requiring isolated 12 V rails
Embedded and communication equipment with 19–36 V DC supplies
Battery-powered or vehicle-mounted electronics using 24 V networks
Key specifications
Model: MEAN WELL SD-50B-12 (MPN: SD-50B-12)
Output power: 50.4 W
Input voltage range: 19–36 V DC (2:1 wide input)
Output: 12 V DC, 4.2 A
Isolation: 1500 VAC input-output
Switching frequency: fixed 83 kHz
Dimensions: 97 × 159 × 38 mm
Protections: short circuit, overload, over-voltage
EMI filter: built-in, low ripple noise
Test: 100% full-load burn-in
Warranty: 2 years
How to use
Mount the SD-50B-12 in a well-ventilated location, ensuring adequate clearance for airflow. Connect the DC input (19–36 V) to the designated input terminals observing correct polarity. Connect the 12 V output to your load, not exceeding the 4.2 A rating. Verify grounding and isolation requirements per system design. Power up and monitor output voltage and load current during initial operation.
Usage recommendations
Use the converter within specified input and output limits, provide adequate cooling and follow safety guidelines for isolation and grounding. Avoid exceeding the rated output current and implement appropriate fusing on the input side to protect against sustained faults.

## Specifications

| Feature | Value |
|---|---|
| Height | 38 mm |
| Output voltage | 12 |
| Width | 97 mm |
| Depth | 159 mm |
| Quantity | 1 |
| Product colour | Metallic |
| Power | 50.4 W |
| Output current | 4200 mA |
| DC input voltage | 19 - 36 |

## FAQ

### How much does the Electric Converter MEAN WELL SD-50B-12 cost, and is it available for purchase?

The price is 38.43 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 Tuesday 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. 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

## Image

https://aio.lv/img/cache/product/1834727/64187567_large.webp