# Power adapter MEAN WELL GST40A09-P1J, 40 W, 9 V output, 90–264 V input, RoHS, 50×125 mm

**URL:** https://aio.lv/en/product--mean-well-gst40a09-p1j--1621829
**Data updated:** 2026-01-06 11:06 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** mean well
**Manufacturer code:** GST40A09-P1J
**EAN:** 4021087028554
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 37.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 31.40 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-gst40a09-p1j--1621829

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 27.07.2026 | free |
| Pickup points | 30.07.2026 | 1.89 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

MEAN WELL GST40A09-P1J is a compact 40 W power adapter with a 9 V DC output and wide 90–264 V AC input range. Suitable for powering electronic devices and small appliances, it meets RoHS sustainability standards. Dimensions are 50 mm (width) by 125 mm (depth) and it weighs 296.5 g. Pack quantity: 40 pcs.

## Long description

MEAN WELL GST40A09-P1J is an AC-DC industrial desktop adapter providing 9 V DC at up to 4.45 A (40 W) from a wide 90–264 V AC input range. The adapter uses a 3-pole IEC320-C14 AC inlet and is RoHS compliant. Its compact housing measures approximately 50 × 125 mm and the unit weighs about 296.5 g, making it suitable for powering electronic devices and small appliances in professional and industrial desktop environments.
Advantages
The adapter delivers a stable 9 V DC output at 4.45 A with a maximum output power of 40 W, supports universal AC input (90–264 V) for global use, and includes a standard IEC320-C14 inlet for compatibility with common AC cords. RoHS compliance reduces hazardous substances, and the compact 50×125 mm form factor saves space on workbenches and in equipment racks.
Suitable for
Powering desktop electronic devices and small appliances
Industrial and office equipment requiring 9 V DC, up to 4.45 A
Applications where a standard IEC320-C14 inlet is preferred
Key specifications
Model: MEAN WELL GST40A09-P1J
Output: 9 V DC, 4.45 A (40 W)
Input: 90–264 V AC
AC inlet: 3-pole IEC320-C14
Compliance: RoHS
Dimensions: 50 × 125 mm (W × D)
Weight: ~296.5 g
Pack quantity: 40 pcs
Brand: mean well
MPN: GST40A09-P1J
EAN: 4021087028554
How to use
Connect a suitable IEC power cord to the adapter's IEC320-C14 inlet and plug the cord into a compatible AC outlet within the specified 90–264 V range. Attach the adapter's DC output cable to the device requiring 9 V DC, ensuring correct polarity and secure connection. Verify that the device's required current does not exceed 4.45 A. Place the adapter on a stable, ventilated surface during operation to avoid overheating.
Usage recommendations
Use a mains lead rated for your local voltage and protective grounding where applicable. Do not block ventilation openings; avoid exposing the adapter to moisture, extreme temperatures, or mechanical shock. Verify device compatibility with 9 V DC and maximum 4.45 A before connecting.

## Specifications

### Power

| Feature | Value |
|---|---|
| Output power | 40 W |
| Input voltage | 90 - 264 |
| Output voltage | 9 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.2965 kg |
| Width | 50 mm |
| Depth | 125 mm |

### Packaging content

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

### Sustainability

| Feature | Value |
|---|---|
| Sustainability certificates | RoHS |

## FAQ

### How much does the MEAN WELL GST40A09-P1J power adapter 40 W cost, and is it available for purchase?

The price is 37.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 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 27.07.2026 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 GST40A09-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/1621829/58026101_large.webp