# Power Supply Unit MEAN WELL RS-15-3.3 9.9 W AC 85-264 V Metallic

**URL:** https://aio.lv/en/product--mean-well-rs-15-33--9875566
**Data updated:** 2025-12-30 08:37 (EET)
**Category:** Other goods
**Manufacturer:** mean well
**Manufacturer code:** RS-15-3.3
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.29 €
**Prices and availability valid until:** 2026-08-14 23:59
**Price without VAT (21%):** 8.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-rs-15-33--9875566

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL RS-15-3.3 is a compact power supply unit providing 9.9 W output with an AC input voltage range of 85 - 264 V. It features a metallic design, a mean time between failures (MTBF) of 1,608,000 hours, and dimensions of 51 mm width, 62.5 mm depth, and 28 mm height. Ideal for various electronic applications requiring reliable power.

## Long description

The MEAN WELL RS-15-3.3 is a compact metallic power supply unit delivering 9.9 W output with a universal AC input range of 85–264 V. Designed for reliable operation in tight spaces, it features a robust metallic enclosure and long MTBF suitable for a variety of electronic applications that require a stable 3.3 V source.
Advantages
This power supply offers full-range AC input and protection against short circuit, overload and overvoltage. Cooling is passive via free air convection and an LED indicates power-on status. The unit uses 105°C long-life electrolytic capacitors, endures a 300 VAC surge for 5 seconds, withstands 5G vibration testing and operates at ambient temperatures up to 70°C. It is factory burn-in tested at 100% full load and backed by a 3-year warranty.
Suitable for
 Embedded systems and small industrial controllers
 Communication and networking equipment
 Test and measurement devices
 Low-power LED drivers and signage
Key specifications
 Output power: 9.9 W
 Output voltage: 3.3 V
 AC input range: 85–264 V
 Dimensions (W×D×H): 51 × 62.5 × 28 mm
 MTBF: 1,608,000 hours
 Protection: short circuit / overload / over voltage
 Cooling: free air convection (fanless)
 Capacitors: 105°C long-life electrolytic
 Surge: withstands 300 VAC for 5 s
 Operating temperature: up to 70°C
 Warranty: 3 years
How to use
Install the MEAN WELL RS-15-3.3 in a well-ventilated location allowing free air convection around the metallic enclosure. Connect the AC input within the specified 85–264 V range to the input terminals, and take output from the 3.3 V output terminals. Observe correct polarity and secure wiring to prevent loose connections. Ensure the installation meets local electrical codes and disconnect power before servicing.
Usage recommendations
For reliable long-term operation, avoid enclosed compartments without airflow, keep ambient temperature below the maximum rated 70°C, and protect the unit from excessive vibration and moisture. Use proper fusing on the input side and follow grounding best practices.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.13 kg |
| Mean time between failures (MTBF) | 1608000 h |
| Operating relative humidity (H-H) | 20 - 90 |
| Storage temperature (T-T) | -40 - 85 |
| Operating temperature (T-T) | -20 - 70 |
| Storage relative humidity (H-H) | 10 - 95 |
| Height | 28 mm |
| LED indicators | Y |
| Width | 51 mm |
| Depth | 62.5 mm |
| Product colour | Metallic |
| Input current | 0.25 - 0.35 |
| Efficiency | 72 % |
| Hold time | 70 ms |
| Rise time | 30 ms |
| Power protection features | Overload, Short circuit, Overheating, Over voltage |
| AC input frequency | 47 - 63 |
| AC input voltage | 85 - 264 |
| Total power | 9.9 W |

## FAQ

### How much does the Power Supply Unit MEAN WELL RS-15-3.3 cost, and is it available for purchase?

The price is 10.29 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 Monday 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

### Where can I download the instructions for Power Supply Unit MEAN WELL RS-15-3.3?

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/9875566/64382144_large.webp