# Power adapter MEAN WELL EPP-400-48 400 W 48 V 80-264 V

**URL:** https://aio.lv/en/product--mean-well-epp-400-48--3784488
**Data updated:** 2026-01-06 11:11 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** EPP-400-48
**EAN:** 4021087035149
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 124.99 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 103.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-epp-400-48--3784488

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Pickup points | 06.08.2026 | 1.89 EUR |
| Courier delivery to door | 06.08.2026 | 4.99 EUR |

## Summary description

The MEAN WELL EPP-400-48 is a reliable power adapter with an input voltage range of 80-264 V and an output power of 400 W at 48 V. It is compact with dimensions of 76.2 mm x 127 mm x 35 mm and complies with RoHS standards. Ideal for various applications requiring stable power supply.

## Long description

The MEAN WELL EPP-400-48 is an AC-DC single-output open-frame power supply with active PFC, providing 48 V DC at up to 8.4 A and a maximum output power of 400 W. It accepts a wide input voltage range of 80–264 V AC, measures 76.2 mm x 127 mm x 35 mm, and is RoHS compliant. The unit is designed for installations where a compact, stable 48 V rail is required.
Advantages
This open-frame power supply offers a high power density in a compact form factor and includes power factor correction for improved mains efficiency. The single 48 V output delivers stable voltage under varying loads and the wide input range allows use with international AC supplies. RoHS compliance ensures the design meets common environmental restrictions.
Suitable for
Industrial control systems requiring 48 V DC
Telecommunication and network equipment
Embedded systems and automation devices
LED lighting drivers and signage
Key specifications
Manufacturer: mean well
Model (MPN): EPP-400-48
EAN: 4021087035149
Output: 48 V DC, 8.4 A (max), 400 W
Input voltage: 80–264 V AC
Form factor: open frame
Power factor correction: active PFC
Dimensions: 76.2 mm × 127 mm × 35 mm
Compliance: RoHS
How to use
Mount the open-frame unit in an enclosure appropriate for your application and ensure adequate ventilation. Connect the AC input to a suitable mains supply within 80–264 V AC and observe correct polarity when wiring the 48 V DC output to the load. Verify the load does not exceed the 8.4 A/400 W rating and follow applicable electrical safety standards during installation and maintenance.
Использование — рекомендации
For reliable long-term operation, avoid operating at maximum load continuously, provide sufficient airflow around the power supply, and protect the unit from dust and moisture. Follow manufacturer datasheet instructions for mounting, cooling, and protection to ensure safe and compliant use.

## Specifications

| Feature | Value |
|---|---|
| Input voltage | 80 - 264 |
| Output voltage | 48 |
| Output power | 400 W |

### Certificates

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.42 kg |
| Height | 35 mm |
| Width | 76.2 mm |
| Depth | 127 mm |

### Logistics data

| Feature | Value |
|---|---|
| Quantity per pack | 36 pc(s) |

## FAQ

### How much does the Power adapter MEAN WELL EPP-400-48 cost, and is it available for purchase?

The price is 124.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 03.08.2026 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 Power adapter MEAN WELL EPP-400-48?

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/3784488/64228468_large.webp