# Laboratory DC Power Supply H-TRONIC HB 533 – Adjustable 1–30 V, 0–3 A, kit

**URL:** https://aio.lv/en/product--h-tronic-hb-533--3223743
**Data updated:** 2026-03-27 13:15 (EET)
**Category:** Tool kits and accessories
**Manufacturer:** H-TRONIC
**Manufacturer code:** HB 533
**EAN:** 4016138116663
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 48.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 40.49 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--h-tronic-hb-533--3223743

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

H-TRONIC HB 533 is a kit-form laboratory DC power supply with adjustable output from 1 to 30 V and a current range up to 0–3 A. Designed for electronics hobbyists and repair work, it accepts input voltages up to 30 V AC and provides a regulated DC output suitable for prototyping, testing circuits, and powering small devices. Sold as an assembly kit.

## Long description

H-TRONIC HB 533 is a kit-form laboratory DC power supply with an adjustable output voltage range from 1 to 30 V and a maximum output current of 3 A. Supplied as an assembly kit, the unit is intended for hands-on assembly by electronics hobbyists and technicians. It accepts AC input voltages up to 30 V and provides a regulated DC output suitable for bench testing, circuit prototyping, repair tasks and powering small electronic devices.
Advantages
The kit format allows users to assemble and inspect the internal circuitry, which is useful for learning and modification. The wide output voltage span (1–30 V) combined with a 0–3 A current capability covers most low-power laboratory and workshop needs. The regulated output ensures stable voltage delivery for sensitive components during testing and repairs. Compact design and straightforward controls make it suitable for limited bench space and repeated experimental setups.
Suitable for
Electronics hobby projects and learning circuit assembly
Prototype testing and development of low-power devices
Repair and troubleshooting of small electronic equipment
Bench power source for sensors, microcontrollers and modules
Key specifications
Output voltage: adjustable from 1 V to 30 V DC
Output current: adjustable up to 3 A
Input: accepts AC supply up to 30 V
Regulated DC output for stable voltage under load
Form factor: kit for user assembly
How to use
Assemble the kit following the supplied instructions and verify component orientation and solder joints before powering. Connect an appropriate AC source within the specified input range, then gradually adjust the output voltage from the minimum setting while monitoring current draw. Use a multimeter to confirm output voltage and polarity before connecting sensitive devices. When testing circuits, set a safe current limit to protect both the power supply and the load.
Usage recommendations
For reliable operation, mount the assembled unit on a non-conductive surface with adequate ventilation and avoid prolonged operation at the maximum current limit. Use appropriate fuses or current protection when experimenting with unknown loads, and observe correct polarity and wiring practices to prevent damage to connected circuits.

## FAQ

### How much does the H-TRONIC HB 533 DC power supply kit 1–30 V 0–3 A cost, and is it available for purchase?

The price is 48.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 54 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 23.07.2026 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. 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 H-TRONIC 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 H-TRONIC 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

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