# HiSmart US-350-12 Power Supply 12V 29A 350W

**URL:** https://aio.lv/en/product--hismart-us-350-12--12486103
**Data updated:** 2026-05-27 17:50 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** HiSmart
**Manufacturer code:** US-350-12
**EAN:** 9990000700868
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 16.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hismart-us-350-12--12486103

## 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-350-12 is a reliable 350W power supply unit designed to provide a stable 12V DC output with a current of 29A. This unit is suitable for powering LED lighting systems, industrial automation equipment, and various electronic devices requiring consistent voltage. It features efficient power conversion and robust construction for long-term operational stability in professional and domestic applications.

## Long description

The HiSmart US-350-12 is a high-performance slim-type switching power supply designed to deliver a stable 12V DC output with a maximum current of 29A and a total power capacity of 348W. Engineered for efficiency and reliability, this unit utilizes pulse-mode operation to provide consistent power for demanding electronic systems. Its compact aluminum housing ensures effective heat dissipation through free air convection, making it a robust solution for both professional and domestic environments.
Advantages
This power supply unit stands out due to its slim profile and lightweight construction, which allows for easy integration into space-constrained installations. With an efficiency rating of 91%, it minimizes energy waste during operation. The device is built with integrated protection mechanisms against short circuits and overloads, ensuring the safety of connected equipment. Its durable aluminum shell provides excellent structural integrity while facilitating passive cooling, which eliminates the need for noisy internal fans and reduces maintenance requirements.
Suitable for
LED lighting systems and strips
LED luminous subtitles and displays
LED mobile signage
Industrial automation equipment
General electronic devices requiring 12V DC power
This power supply is not suitable for applications requiring a variable output voltage or those that demand a waterproof rating, as the unit is designed for indoor use in controlled environments. It should not be used in high-moisture areas or locations where it may be exposed to direct water contact, as the housing is not sealed against liquid ingress.
Key specifications
Input voltage range: 200-240V AC
Output voltage: 12V DC
Rated output current: 29A
Maximum power output: 348W
Efficiency: 91%
Operating temperature: -20°C to +50°C
Dimensions: 220 x 60 x 29 mm
Weight: 0.5 kg
How to use
Installation should be performed by a qualified professional. Connect the AC input wires to the corresponding terminals, ensuring the input voltage matches the specified range. Connect the positive and negative DC output wires to your LED system or electronic device, observing correct polarity to prevent damage. Ensure the unit is mounted in a well-ventilated area to allow for free air convection, keeping the vents clear of obstructions. Once connections are secure, apply power to the unit.
What to consider before purchase
Verify that the total power consumption of your devices does not exceed the 348W capacity.
Ensure the installation environment is dry and within the specified temperature range.
Confirm that you have sufficient space for the 220mm length of the unit.
Check that your local power grid provides a stable 200-240V AC input.
Usage recommendations
For optimal longevity and performance, it is recommended to operate the power supply at approximately 80% of its maximum rated load. Ensure that the mounting surface is non-flammable and that there is at least 5-10 cm of clearance around the unit to facilitate proper airflow.

## FAQ

### How much does the HiSmart US-350-12 Power Supply 12V 350W cost, and is it available for purchase?

The price is 19.49 € (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/12486103/68812490_large.webp