# Power Adapter MEAN WELL NPB-450-12 453.6 W Indoor Blue

**URL:** https://aio.lv/en/product--mean-well-npb-450-12--11338196
**Data updated:** 2026-01-14 13:12 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** mean well
**Manufacturer code:** NPB-450-12
**EAN:** 4021087072793
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 206.49 €
**Prices and availability valid until:** 2026-08-10 23:59
**Price without VAT (21%):** 170.65 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mean-well-npb-450-12--11338196

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.08.2026 | free |
| Pickup points | 13.08.2026 | 1.89 EUR |
| Courier delivery to door | 13.08.2026 | 4.99 EUR |

## Summary description

The MEAN WELL NPB-450-12 is a universal indoor power adapter with a power output of 453.6 W. It operates on an input voltage range of 90 - 264 V. The adapter features active cooling and comes in a blue color. Its dimensions are 135 mm in width, 205 mm in depth, and 55 mm in height, making it suitable for various indoor applications.

## Long description

The MEAN WELL NPB-450-12 is an indoor power adapter designed to deliver a stable DC output with a rated output power of 453.6 W. It accepts a wide AC input voltage range from 90 to 264 V, allowing operation in diverse mains environments. The unit is finished in blue and incorporates active cooling to maintain thermal stability during continuous operation. Its compact footprint—135 mm wide, 205 mm deep and 55 mm high—makes it suitable for installation where space is limited.
Advantages
The adapter’s wide input voltage range ensures compatibility with different regional mains supplies without additional converters. Active cooling provides consistent thermal management for reliable performance under load. The relatively high output power of 453.6 W supports demanding loads while the compact dimensions help with integration into racks, cabinets or enclosed equipment. The blue enclosure makes the unit easily identifiable in multi-device installations.
Suitable for
 Powering internal components in networking and communications equipment
 Supplying DC power for industrial control modules and automation devices
 Providing a stable power source for laboratory and test bench setups
 Replacement or upgrade in compact enclosures where space is constrained
Key specifications
 Output power: 453.6 W
 Input voltage range: 90–264 V AC
 Cooling method: active cooling (fan)
 Color: blue
 Dimensions (W × D × H): 135 mm × 205 mm × 55 mm
 Intended installation: indoor use
How to use
Install the adapter in a well-ventilated indoor location, ensuring the cooling fan intake and exhaust are not obstructed. Connect the AC mains supply within the specified 90–264 V range using appropriate wiring and protection devices. Connect the DC output to the target equipment following polarity and voltage requirements documented for that equipment. Verify secure mechanical mounting to avoid vibration and ensure that ambient temperature and ventilation meet the equipment’s operating requirements.
Usage recommendations
For reliable long-term performance, allow sufficient airflow around the unit and avoid installing it near heat sources. Use appropriate overcurrent protection on the AC side and ensure the DC load does not exceed the rated 453.6 W. Periodically inspect the cooling fan and mounting hardware and replace any worn components as needed.

## Specifications

| Feature | Value |
|---|---|
| Weight | 1.02 kg |
| Power supply type | Indoor |
| Operating relative humidity (H-H) | 20 - 95 |
| Storage temperature (T-T) | -40 - 85 |
| Operating temperature (T-T) | -30 - 70 |
| Storage relative humidity (H-H) | 10 - 95 |
| Height | 55 mm |
| Input voltage | 90 - 264 |
| Output voltage | 21 - 42 |
| Width | 135 mm |
| Depth | 205 mm |
| Product colour | Blue |
| Purpose | Universal |
| Input frequency | 47/63 |
| Input current | 13.5 |
| Output current | 25 A |
| Efficiency | 92 % |
| Output power | 453.6 W |
| Cooling type | Active |
| Power current type | AC-to-DC |
| Quantity per pack | 1 pc(s) |
| Built-in fan | Yes |

## FAQ

### How much does the Power Adapter MEAN WELL NPB-450-12 cost, and is it available for purchase?

The price is 206.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 10.08.2026 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

## Image

https://aio.lv/img/cache/product/11338196/65671396_large.webp