# HiSmart US-400-12 Power Supply 12V 30A 360W

**URL:** https://aio.lv/en/product--hismart-us-400-12--12486104
**Data updated:** 2026-05-27 17:50 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** HiSmart
**Manufacturer code:** US-400-12
**EAN:** 9990000700875
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 17.76 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hismart-us-400-12--12486104

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The HiSmart US-400-12 is a reliable 360W power supply unit designed to convert AC input to a stable 12V DC output with a current capacity of 30A. This high-performance power supply is suitable for powering LED lighting systems, industrial automation equipment, and various electronic devices requiring a consistent 12V power source. Its robust design ensures efficient operation and long-term durability for professional and home applications.

## Long description

The HiSmart US-400-12 is a high-performance switching power supply designed to convert standard AC input into a stable 12V DC output. With a power capacity of 360W and a current rating of 30A, this unit provides a reliable energy source for demanding electronic systems. Its slim, compact aluminum housing is engineered for efficient heat dissipation through free air convection, ensuring consistent performance in various professional and residential environments.
Advantages
This power supply unit stands out due to its slim profile and lightweight construction, which allows for easy integration into tight spaces. It features high energy efficiency, reaching up to 91%, which minimizes power waste during operation. The robust aluminum shell provides excellent durability and protection for internal components, while the integrated safety mechanisms, including short circuit and overload protection, ensure the longevity of both the power supply and the connected devices.
Suitable for
LED lighting systems and strips
LED luminous subtitles and signage
Industrial automation equipment
General electronic devices requiring 12V DC power
This unit may not be suitable for outdoor environments where it would be directly exposed to rain, moisture, or extreme weather conditions, as it is designed for indoor use. It is also not intended for applications requiring a variable voltage output or for high-vibration environments where specialized ruggedized power supplies might be necessary.
Key specifications
Input voltage: 200-240V AC, 50/60Hz
Output voltage: 12V DC
Maximum output current: 30A
Rated power: 360W
Efficiency: 91%
Operating temperature: -20°C to +50°C
Dimensions: 220 x 60 x 29 mm
Weight: 0.5 kg
Material: Aluminum
To use the HiSmart US-400-12, ensure that the input voltage matches the specified range of 200-240V AC. Connect the AC input wires to the designated terminals, ensuring a secure and proper connection. Connect your 12V DC devices to the output terminals, observing correct polarity to prevent damage. Ensure the unit is mounted in a location with adequate airflow to allow for natural convection cooling, keeping the area free from obstructions.
What to consider before purchase
Verify that your total load does not exceed the 360W maximum power rating
Ensure the installation environment provides sufficient ventilation
Check that the input voltage in your region is compatible with the 200-240V AC range
Confirm that the physical dimensions fit your intended mounting space
Usage recommendations
For optimal performance and safety, always ensure that the total power consumption of your connected devices remains below 80% of the maximum rated capacity of the power supply. Regularly inspect the connections to ensure they remain tight and free from oxidation.

## FAQ

### How much does the HiSmart US-400-12 Power Supply 12V 30A 360W cost, and is it available for purchase?

The price is 21.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 02.07.2026 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 HiSmart 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 HiSmart 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/12486104/68812491_large.webp