# HYELEC HY3003E Laboratory DC Power Supply 0-30V 3A

**URL:** https://aio.lv/en/product--hyelecr-hy3003e--8473815
**Data updated:** 2026-06-12 15:45 (EEST)
**Category:** Miscellaneous repair tools
**Manufacturer:** HYELEC®
**Manufacturer code:** HY3003E
**EAN:** 3100001348389
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 99.24 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 82.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hyelecr-hy3003e--8473815

## 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 HYELEC HY3003E is a reliable laboratory DC power supply designed for precise voltage and current regulation. It offers an adjustable output range of 0-30V and 0-3A, making it an essential tool for electronics testing, circuit development, and educational laboratory experiments. Featuring stable performance and clear output monitoring, this device is suitable for professional engineers, hobbyists, and students requiring consistent power for various electronic projects.

## Long description

The HYELEC HY3003E is a professional-grade laboratory DC power supply engineered to provide precise and stable electrical output for a wide range of electronic applications. With an adjustable voltage range of 0-30V and a current capacity of up to 3A, this device serves as a dependable power source for testing, troubleshooting, and developing electronic circuits. Its robust design ensures consistent performance, while the integrated monitoring system allows users to keep track of voltage and current levels with high accuracy during operation.
Advantages
This power supply unit stands out due to its high stability and low ripple noise, which are critical factors when working with sensitive electronic components. The intuitive interface allows for seamless adjustment of output parameters, ensuring that users can achieve the exact voltage and current required for their specific tasks. Its compact and durable construction makes it a space-efficient addition to any workbench, while the built-in protection mechanisms provide an extra layer of safety for both the device and the connected circuitry.
Suitable for
Electronics circuit design and prototyping
Educational laboratory experiments and physics projects
Testing and repairing consumer electronics
Battery charging and power management testing
General hobbyist electronics projects
When it may not be suitable
This device is not intended for high-power industrial applications that require voltages exceeding 30V or currents higher than 3A. It is also not suitable for environments where extreme moisture or high levels of conductive dust are present, as these conditions may compromise the internal components and safety features of the unit.
Key specifications
Output voltage range: 0-30V DC
Output current range: 0-3A
Display type: Integrated analog or digital metering
Regulation type: Linear regulation
Protection: Overload and short-circuit protection
How to use
To operate the HYELEC HY3003E, connect the device to a standard grounded power outlet and ensure the power switch is in the off position. Connect your load to the output terminals, observing correct polarity. Turn on the device and use the front-panel control knobs to gradually adjust the voltage and current to your desired levels while monitoring the output on the display. Always verify your settings before connecting sensitive components to prevent accidental damage.
What to consider before purchase
Verify that the 3A current limit meets the requirements of your specific projects.
Ensure your workspace has adequate ventilation for the device.
Check that your equipment requires a DC power source within the 0-30V range.
Usage recommendations
Always disconnect the power supply from the mains when not in use for extended periods and ensure that the output terminals are kept clean and free of debris to maintain optimal electrical contact.

## FAQ

### How much does the HYELEC HY3003E Laboratory DC Power Supply 0-30V 3A cost, and is it available for purchase?

The price is 99.24 € (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 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, Installment. All transactions are 100% secure and encrypted.

### Can HYELEC HY3003E Laboratory DC Power Supply 0-30V 3A be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 HYELEC® 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 HYELEC® 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/8473815/51491781_large.webp

