# Power adapter MEAN WELL GST40A18-P1J 40 W, input 90–264 V, output 18 V, RoHS, 50×125 mm, 280 g

**URL:** https://aio.lv/en/product--mean-well-gst40a18-p1j--1621839
**Data updated:** 2026-01-06 11:06 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** GST40A18-P1J
**EAN:** 4021087028523
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-08-05 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-gst40a18-p1j--1621839

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 04.08.2026 | free |
| Pickup points | 07.08.2026 | 1.89 EUR |
| Courier delivery to door | 07.08.2026 | 4.99 EUR |

## Summary description

MEAN WELL GST40A18-P1J is a 40 W external power adapter with wide input range 90–264 V and fixed 18 V DC output. Compact dimensions (width 50 mm, depth 125 mm) and 280 g weight suit desktop or embedded applications. Certified RoHS, sold in packs of 40, suitable for powering routers, small appliances, LED drivers and other 18 V devices.

## Long description

MEAN WELL GST40A18-P1J is a 40 W AC-DC desktop power adapter with a wide input range of 90–264 V AC and a fixed 18 V DC output at up to 2.22 A. The adapter uses a 3-pole IEC320-C14 AC inlet and has compact dimensions (50 × 125 mm) with a weight of 280 g, making it suitable for desktop placement or integration into equipment that requires an external brick-style power supply.
Advantages
The GST40A18-P1J offers a broad mains input range for worldwide use, a stable 18 V DC output rated at 2.22 A, and compact size for space-constrained setups. It is RoHS certified and designed for reliable continuous operation in consumer and light-industrial applications.
Suitable for
Powering routers and network equipment
Small appliances and electronic devices requiring 18 V DC
LED drivers and lighting control modules
Embedded systems and desktop equipment with external adapters
Key specifications
Manufacturer: MEAN WELL
Model (MPN): GST40A18-P1J
Output: 18 V DC, 2.22 A (40 W)
Input: 90–264 V AC
AC inlet: 3-pole IEC320-C14
Dimensions: 50 × 125 mm
Weight: 280 g
Compliance: RoHS
EAN: 4021087028523
How to use
Connect the adapter to a suitable AC mains source via the IEC320-C14 inlet, then plug the DC output into the device requiring 18 V. Verify polarity and connector fit before powering the target device. Ensure the connected device’s current draw does not exceed 2.22 A to avoid overload.
Usage recommendations
Use the adapter in a well-ventilated location, avoid covering it during operation, and keep it away from moisture and excessive heat. For continuous or critical applications, allow headroom between device current draw and the adapter’s 2.22 A rating. Follow local electrical codes when installing.

## Specifications

| Feature | Value |
|---|---|
| Input voltage | 90 - 264 |
| Output voltage | 18 |
| Output power | 40 W |

### Certificates

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.28 kg |
| Width | 50 mm |
| Depth | 125 mm |

### Logistics data

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

## FAQ

### How much does the MEAN WELL GST40A18-P1J 40 W power adapter cost, and is it available for purchase?

The price is 35.99 € (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 04.08.2026 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 GST40A18-P1J 40 W power adapter?

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/1621839/64167531_large.webp