# Power Adapter MEAN WELL GST120A12-R7B

**URL:** https://aio.lv/en/product--mean-well-gst120a12-r7b--1621856
**Data updated:** 2026-03-02 16:14 (EET)
**Category:** Portable Device Chargers
**Manufacturer:** mean well
**Manufacturer code:** GST120A12-R7B
**EAN:** 4021087029001
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 52.08 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 43.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-gst120a12-r7b--1621856

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL GST120A12-R7B is a reliable 120W power adapter with an input voltage range of 85-264V and a stable output voltage of 12V. It features RoHS compliance, ensuring environmental safety. With compact dimensions of 67mm width, 167mm depth, and 35mm height, it is ideal for various applications. Each pack contains 20 units, making it a cost-effective choice for bulk needs.

## Long description

The MEAN WELL GST120A12-R7B is a 120W AC-DC industrial desktop adapter that delivers a stable 12V DC output at up to 8.5A. Designed for a wide input range of 85–264VAC, it includes power factor correction (PFC) and meets RoHS requirements. The adapter uses a 3-pole IEC320-C14 AC inlet and has compact dimensions (67 × 167 × 35 mm), making it suitable for installations where space is limited. Units are sold in packs of 20.
Advantages
The adapter provides a constant 12V output with a maximum current of 8.5A and a rated power of 120W, supporting stable operation of downstream devices. Built-in PFC improves efficiency and reduces mains distortion across the 85–264VAC input range. RoHS compliance ensures restriction of hazardous substances. Its compact desktop form factor and standard IEC320-C14 inlet simplify installation and replacement in industrial and commercial systems.
Suitable for
Industrial control equipment and automation devices
Networking and communication devices requiring 12V DC
Embedded systems, single-board computers, and peripheral devices
Replacement power supplies for desktop electronics with IEC320-C14 inlet
Key specifications
Manufacturer: mean well
Model: GST120A12-R7B
Output: 12V DC, 8.5A (max)
Rated power: 120W
Input voltage: 85–264VAC
AC inlet: IEC320-C14 (3-pole)
Compliance: RoHS
Dimensions (W×D×H): 67 × 167 × 35 mm
Pack quantity: 20 units
EAN: 4021087029001
How to use
Connect the adapter to an AC mains source using a compatible IEC320-C13 power cord plugged into the IEC320-C14 inlet. Verify the mains voltage is within the specified 85–264VAC range before powering connected devices. Connect the DC output (12V) to the load ensuring correct polarity and that the connected device does not exceed 8.5A. Allow adequate ventilation around the adapter during operation to maintain temperature within safe limits.
Usage recommendations
Use the adapter in dry, ventilated environments and avoid covering the unit during operation. For long-term reliability, keep the DC load below the maximum rating and ensure proper cable sizing for the 12V output. Replace damaged cords or connectors and consult the device manual for grounding and installation details.

## Specifications

### Power

| Feature | Value |
|---|---|
| Output power | 120 W |
| Input voltage | 85 - 264 |
| Output voltage | 12 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.62 kg |
| Height | 35 mm |
| Width | 67 mm |
| Depth | 167 mm |

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 20 pc(s) |

### Certificates

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

## FAQ

### How much does the Power Adapter MEAN WELL GST120A12-R7B cost, and is it available for purchase?

The price is 52.08 € (valid at the time of publication and already includes all taxes). The item is available for order — 24 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

### 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 Power Adapter MEAN WELL GST120A12-R7B?

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/1621856/64167540_large.webp