# Power adapter MEAN WELL GST40A05-P1J, 40 W, 5 V output, 90–264 V input, RoHS, 50×125 mm, 335 g

**URL:** https://aio.lv/en/product--mean-well-gst40a05-p1j--1621824
**Data updated:** 2026-01-06 11:06 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** mean well
**Manufacturer code:** GST40A05-P1J
**EAN:** 4021087028578
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 38.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 31.81 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-gst40a05-p1j--1621824

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Pickup points | 31.07.2026 | 1.89 EUR |
| Courier delivery to door | 31.07.2026 | 4.99 EUR |

## Summary description

MEAN WELL GST40A05-P1J is a compact 40 W AC-DC power adapter with universal input voltage 90–264 V and a fixed 5 V output. It meets RoHS requirements and is suitable for powering small electronic devices, embedded systems, routers or displays. Dimensions 50 × 125 mm and weight 335 g make it practical for space-limited installations; sold in packs of 40.

## Long description

MEAN WELL GST40A05-P1J is an AC-DC industrial desktop adapter that delivers a fixed 5 V DC output at up to 5 A (40 W). The adapter accepts a universal input voltage of 90–264 V AC, complies with RoHS, and is supplied with a 3-pole IEC320-C14 AC inlet. Its compact dimensions (50 × 125 mm) and 335 g weight make it suitable for installations with limited space; it is supplied in packs of 40 units.
Advantages
The GST40A05-P1J provides a stable 5 V/5 A output in a compact desktop housing, supports wide-range AC input for global use, and meets RoHS environmental requirements. Its IEC320-C14 inlet simplifies connection to standard mains cords and the adapter’s size and weight enable easy placement in equipment racks or on work surfaces.
Suitable for
 Powering small electronic devices and embedded systems
 Routers, modems and network equipment
 Small displays, signage and control panels
 Laboratory bench use and development kits
Key specifications
 Model: GST40A05-P1J
 Output: 5 V DC, 5 A (40 W)
 Input voltage: 90–264 V AC
 AC inlet: 3-pole IEC320-C14
 Compliance: RoHS
 Dimensions: 50 × 125 mm
 Weight: 335 g
 Manufacturer: MEAN WELL
 MPN: GST40A05-P1J
 EAN: 4021087028578
How to use
Connect a compatible IEC mains cable to the adapter’s IEC320-C14 inlet and plug the cable into a suitable AC mains outlet within the rated 90–264 V range. Connect the adapter’s 5 V DC output to the target device ensuring correct polarity and rated current capacity. Place the adapter on a stable, ventilated surface and avoid covering ventilation areas during operation.
Usage recommendations
For reliable operation, verify that the connected device’s current draw does not exceed 5 A and allow adequate ventilation around the adapter. Use a mains cable and fusing appropriate for local regulations, and store or operate the adapter within the manufacturer’s ambient temperature and humidity ranges.

## Specifications

### Power

| Feature | Value |
|---|---|
| Output power | 40 W |
| Input voltage | 90 - 264 |
| Output voltage | 5 |
| Output current | 5 A |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.335 kg |
| Width | 50 mm |
| Depth | 125 mm |

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 40 pc(s) |

### Certificates

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

## FAQ

### How much does the MEAN WELL GST40A05-P1J power adapter 40 W cost, and is it available for purchase?

The price is 38.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 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 28.07.2026 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, 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 GST40A05-P1J power adapter 40 W?

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/1621824/64167526_large.webp