# Power Adapter MEAN WELL AD-155A

**URL:** https://aio.lv/en/product--mean-well-ad-155a--1621699
**Data updated:** 2025-12-29 07:43 (EET)
**Category:** Other goods
**Manufacturer:** mean well
**Manufacturer code:** AD-155A
**EAN:** 4021087017718
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 81.38 €
**Prices and availability valid until:** 2026-08-21 23:59
**Price without VAT (21%):** 67.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-ad-155a--1621699

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 30.07.2026 | 1.79 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL AD-155A power adapter provides reliable performance with an input voltage range of 88-264 V and an output power of 155 W at 13.3 V. It is RoHS compliant, ensuring environmental safety. Compact dimensions of 110 mm width, 199 mm depth, and 50 mm height make it suitable for various applications. Each pack contains 16 units, making it ideal for bulk purchases.

## Long description

MEAN WELL AD-155A is an AC-DC enclosed power supply with UPS function, delivering combined outputs suitable for equipment that requires a main 13.8 Vdc rail and a secondary 13.3 Vdc standby rail. It accepts a wide input voltage range of 88–264 Vac and provides up to 155 W of output power. The unit is RoHS compliant and features a compact enclosure measuring 110 mm × 199 mm × 50 mm. Packs contain 16 units for bulk deployment.
Advantages
The AD-155A offers an integrated UPS capability in a compact enclosed housing, ensuring continuous power to critical devices during short interruptions. Wide input range allows global deployment without additional input converters. RoHS compliance reduces environmental impact, and the dual-output arrangement (13.8 Vdc at 11.5 A plus 13.3 Vdc at 0.5 A) supports both primary load and monitoring or standby circuits.
Suitable for
 Telecommunications equipment and radio installations requiring stable 13.8 V power
 Security and access control systems with primary and auxiliary power needs
 Industrial control devices and instrumentation with UPS requirements
Key specifications
 Model: MEAN WELL AD-155A
 Input voltage: 88–264 Vac
 Outputs: 13.8 Vdc @ 11.5 A and 13.3 Vdc @ 0.5 A
 Rated output power: 155 W (at 13.3 V)
 Enclosure dimensions: 110 mm (W) × 199 mm (D) × 50 mm (H)
 Compliance: RoHS
 Pack quantity: 16 units per pack
How to use
Mount the enclosed adapter in a location with adequate ventilation and secure it according to the installation guidelines for enclosed power supplies. Connect the AC input to a suitable mains source within the 88–264 Vac range. Wire the primary 13.8 Vdc output to the main load and the secondary 13.3 Vdc output to monitoring or standby circuits as required. Follow all local electrical codes and safety practices when making connections.
Usage recommendations
Install the unit where ambient temperature and ventilation meet the manufacturer's specifications, and use appropriate overcurrent protection on the outputs. For battery-backed UPS operation, follow MEAN WELL's guidance on battery type and connection to ensure reliable backup performance.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.9013 kg |
| Height | 50 mm |
| Input voltage | 88 - 264 |
| Output voltage | 13.3 |
| Width | 110 mm |
| Depth | 199 mm |
| Output power | 155 W |
| Quantity per pack | 16 pc(s) |
| Compliance certificates | RoHS |

## FAQ

### How much does the Power Adapter MEAN WELL AD-155A cost, and is it available for purchase?

The price is 81.38 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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, Installment. All transactions are 100% secure and encrypted.

### Can Power Adapter MEAN WELL AD-155A be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

### Where can I download the instructions for Power Adapter MEAN WELL AD-155A?

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/1621699/64167496_large.webp