# Power Supply Unit MEAN WELL RSP-320-12

**URL:** https://aio.lv/en/product--mean-well-rsp-320-12--1834749
**Data updated:** 2025-12-29 07:49 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** mean well
**Manufacturer code:** RSP-320-12
**EAN:** 4021087013864
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 64.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 53.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-rsp-320-12--1834749

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The MEAN WELL RSP-320-12 is a 320.4 W 1U metallic power supply unit designed for reliable performance. It supports AC input voltage from 88 to 264 V and operates at a frequency of 47 to 63 Hz. With an active cooling system and a single fan, it ensures efficient heat dissipation. The unit has a long mean time between failures (MTBF) of 206,500 hours and is safety certified (UL60950-1, TUV EN60950-1, CCC GB4943). Dimensions: 115 mm x 215 mm x 30 mm.

## Long description

The MEAN WELL RSP-320-12 is a 320.4 W 1U metallic power supply unit designed for reliable industrial and commercial applications. It accepts a universal AC input (88–264 V, 47–63 Hz), features built-in active PFC for power factor \>0.95, and achieves efficiency up to 90%. The compact 1U low-profile housing (115 × 215 × 30 mm) includes a single-fan cooling system, optional conformal coating, an LED power-on indicator and safety certifications (UL60950-1, TUV EN60950-1, CCC GB4943). The unit’s MTBF is 206,500 hours.
Advantages
The RSP-320-12 combines high efficiency and active PFC to reduce energy losses and improve power quality. Its 1U low-profile metallic enclosure saves rack space while providing robust mechanical protection. Built-in fan cooling and optional conformal coating increase reliability in varied environments, and the LED indicator gives a clear status signal. Safety certifications ensure compliance with common regulatory requirements.
Suitable for
Industrial control systems and automation equipment
Rack-mounted telecommunications and networking devices
Embedded systems and server appliances requiring 12 V supply
Environments needing compact, reliable power modules
Key specifications
Output power: 320.4 W
Input voltage: 88–264 V AC
Input frequency: 47–63 Hz
Power factor: \>0.95 (active PFC)
Efficiency: up to 90%
Cooling: single fan (active cooling)
MTBF: 206,500 hours
Dimensions: 115 × 215 × 30 mm (1U low profile)
Indicators: LED power-on
Optional: conformal coating
Safety approvals: UL60950-1, TUV EN60950-1, CCC GB4943
How to use
Install the RSP-320-12 in a compatible 1U chassis or mounting location, ensuring adequate ventilation for the built-in fan. Connect the AC input within the specified 88–264 V range and verify proper grounding. Attach the 12 V output to the load using appropriate wiring and secure terminals. Observe the LED indicator to confirm power-on status. Follow the manufacturer’s wiring and safety guidelines during installation and maintenance.
Usage recommendations
Operate the unit within specified input voltage and ambient temperature limits, keep ventilation clear of obstructions, and consider the optional conformal coating for protection in humid or contaminated environments. Schedule periodic inspections of the fan and connections to maintain reliable operation.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 320.4 W |
| Efficiency | 88 % |
| Power Factor Correction (PFC) type | Active |
| Hold time | 8 ms |
| Power protection features | Overload, Short circuit, Overheating, Over voltage |
| AC input frequency | 47 - 63 |
| AC input voltage | 88 - 264 |

### Performance

| Feature | Value |
|---|---|
| Mean time between failures (MTBF) | 206500 h |
| Power supply unit (PSU) form factor | 1U |

### Design

| Feature | Value |
|---|---|
| Number of fans | 1 fan(s) |
| Cooling type | Active |
| Fan location | Top |
| LED indicators | Y |
| Product colour | Metallic |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.9 kg |
| Height | 30 mm |
| Width | 115 mm |
| Depth | 215 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 20 - 90 |
| Storage temperature (T-T) | -40 - 85 |
| Operating temperature (T-T) | -30 - 70 |
| Storage relative humidity (H-H) | 10 - 95 |

### Other features

| Feature | Value |
|---|---|
| Rise time | 50 ms |

### Safety regulation & standards

| Feature | Value |
|---|---|
| Safety | UL60950-1, TUV EN60950-1 , CCC GB4943 approved |

## FAQ

### How much does the Power Supply Unit MEAN WELL RSP-320-12 cost, and is it available for purchase?

The price is 64.49 € (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 16.07.2026 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, 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: total power, efficiency, weight, product colour, 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 Supply Unit MEAN WELL RSP-320-12?

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/1834749/64187574_large.webp