# Power supply MEAN WELL GST40A12-P1J 12V 40W AC adapter for devices

**URL:** https://aio.lv/en/product--oem-gst40a12-p1j--10816237
**Data updated:** 2026-02-13 15:36 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** OEM
**Manufacturer code:** GST40A12-P1J
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 23.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 19.41 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oem-gst40a12-p1j--10816237

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

External AC/DC power supply MEAN WELL GST40A12-P1J provides 12 V output at up to 40 W. Designed as an adapter for portable and fixed electronic devices, it delivers regulated power for reliable operation. Typical uses include routers, small appliances, consumer electronics and industrial control modules requiring a 12 V, 40 W supply. Compact design simplifies replacement and installation.

## Long description

The MEAN WELL GST40A12-P1J is an external AC/DC power supply that provides a regulated 12 V DC output with a maximum output power of 40 W. Engineered as an adapter for portable and fixed electronic devices, this compact unit converts mains AC to a stable low-voltage DC supply suitable for network equipment, consumer electronics and control modules. Its enclosed design and standard output connector simplify replacement and installation in both home and light industrial environments.
Advantages
The adapter offers stable voltage regulation and sufficient power for devices requiring up to 40 W, reducing the risk of performance issues caused by supply fluctuations. Its compact, enclosed housing supports easy handling and mounting while providing basic protection against dust and mechanical contact. The unit is designed for continuous operation within its rated limits and includes standard safety features found in external AC/DC supplies, resulting in reliable, predictable performance.
Suitable for
 Routers, network switches and access points that require 12 V DC
 Small consumer electronics and multimedia devices
 Industrial control modules and automation peripherals with 12 V power input
 Replacement or spare adapter for portable devices in field or office use
Key specifications
 Output voltage: 12 V DC
 Maximum output power: 40 W
 Output current: up to 3.33 A
 Input: AC mains compatible with standard voltages (auto-select or switch depending on region)
 Enclosed compact housing for space-efficient installation
 Regulated output with protection against overload and short circuit (typical for this adapter class)
 Operating temperature range suitable for standard indoor use
How to use
Connect the adapter to an appropriate AC mains supply using the supplied mains cord or an approved replacement. Verify that the device to be powered accepts 12 V DC and does not exceed the adapter's 40 W output rating. Plug the adapter's DC output connector into the device's power input socket, ensuring correct polarity and a secure fit. Operate the adapter within the recommended ambient temperature and ventilation conditions to maintain reliable performance.
Usage recommendations
Before first use, confirm compatibility with the target device by checking voltage and current requirements. Avoid operating the adapter in wet, excessively dusty, or poorly ventilated locations. For long-term reliability, periodically inspect the power cord and connector for wear and replace if damaged. Use the adapter within its rated power limits to prevent thermal stress and possible shutdown or damage.

## FAQ

### How much does the Power supply MEAN WELL GST40A12-P1J 12V 40W cost, and is it available for purchase?

The price is 23.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 10.07.2026 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, 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 OEM 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 OEM 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/10816237/60129360_large.webp