# Power adapter/inverter MEAN WELL RSD-300E-5 — 300 W, Input 25.2–46.8 V, Output 5 V, RoHS, 97×216×40 mm

**URL:** https://aio.lv/en/product--mean-well-rsd-300e-5--3717096
**Data updated:** 2026-03-27 13:20 (EET)
**Category:** Power Inverters
**Manufacturer:** mean well
**Manufacturer code:** RSD-300E-5
**EAN:** 4021087057707
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 189.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 156.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-rsd-300e-5--3717096

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

MEAN WELL RSD-300E-5 is a 300 W power adapter/inverter designed for DC input systems with an input range of 25.2–46.8 V and a regulated 5 V DC output. Compact metal housing measures 97×216×40 mm and meets RoHS sustainability standards. Suitable for industrial and telecom equipment, embedded systems, and applications requiring stable 5 V supply at up to 300 W.

## Long description

MEAN WELL RSD-300E-5 is a DC-DC enclosed converter providing a regulated 5 V DC output with up to 300 W power from a wide DC input range. The unit accepts nominal inputs within 25.2–46.8 V and is housed in a compact metal enclosure measuring 97×216×40 mm. Designed for industrial and telecom environments, the converter includes features for high isolation and compliance with sustainability standards.
Advantages
The RSD-300E-5 delivers a stable 5 V output suitable for high-current applications while maintaining a compact form factor. Its metal housing supports thermal management and mechanical protection in demanding environments. The design includes high-voltage input-to-output isolation and meets RoHS requirements, making it suitable for installations where durability and regulatory conformity are important.
Suitable for
Industrial control systems and automation
Telecommunications equipment and embedded systems
Railway and transport electronics requiring EN50155 compliance
Applications needing a stable 5 V supply at high current
Key specifications
Output voltage: regulated 5 V DC
Maximum output power: 300 W
Output current capability up to 42 A
Input voltage range: 25.2–46.8 V DC
Enclosed metal housing dimensions: 97 × 216 × 40 mm
Isolation: 4000 V DC input-to-output isolation
Compliance: RoHS; designed to meet railway standard EN50155
How to use
Install the RSD-300E-5 on a suitable mounting surface using appropriate fasteners and ensure adequate clearance for ventilation. Connect the DC input within the specified 25.2–46.8 V range, observing correct polarity. Connect the 5 V output to the load, ensuring the total load current does not exceed the converter's rated output current. Verify grounding and isolation requirements according to the system design and applicable standards before powering the unit.
Usage recommendations
To maintain reliable operation, operate the converter within the specified input voltage range and avoid sustained operation at maximum output without adequate cooling. Verify compatibility with system-level protection such as fuses or circuit breakers and follow EN50155 considerations for railway applications where applicable.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 1.19 kg |
| Height | 40 mm |
| Width | 97 mm |
| Depth | 216 mm |

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 12 pc(s) |

### Features

| Feature | Value |
|---|---|
| Input voltage | 25.2 - 46.8 |
| Output voltage | 5 |
| Output current | 42 A |
| Output power | 300 W |

### Sustainability

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

## FAQ

### How much does the MEAN WELL RSD-300E-5 power adapter/inverter 300 W cost, and is it available for purchase?

The price is 189.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 23.07.2026 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, input voltage, output voltage, 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 RSD-300E-5 power adapter/inverter 300 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/3717096/58544534_large.webp