# Laboratory Power Supply Unit Unit UDP3303A, programmable bench DC power supply

**URL:** https://aio.lv/en/product--unit-ud-p3303a--11048217
**Data updated:** 2026-03-11 11:59 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** Unit
**Manufacturer code:** UD-P3303A
**EAN:** 5901890044356
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 356.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 294.62 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unit-ud-p3303a--11048217

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 8.84 EUR |

## Summary description

The Unit UDP3303A is a laboratory bench DC power supply designed for testing, development and repair tasks. It provides adjustable voltage and current output with fine control and protection features typical for benchtop supplies. Suitable for electronics labs, prototyping, educational use and workshop diagnostics where stable, controllable DC power is required.

## Long description

The Unit UDP3303A laboratory bench DC power supply is a programmable power source intended for testing, development and repair activities. It delivers adjustable voltage and current outputs with fine control and protection functions typical for benchtop supplies. The compact instrument is designed to provide a stable and controllable DC source for electronics labs, prototyping, education and workshop diagnostics where repeatable voltage and current settings are required.
Advantages
The UDP3303A offers precise voltage and current adjustment with separate coarse and fine controls and a clear front-panel display for readouts. Built-in protection features such as overcurrent and short-circuit protection help safeguard devices under test. The unit's programmable functions enable repeatable test procedures and simplified bench workflows. Durable construction and standard benchtop form factor make it suitable for continuous use in laboratory and workshop environments.
Suitable for
 Electronics testing and component validation
 Prototype powering during development
 Repair and diagnostic work in workshops
 Educational labs and hands-on training
Key specifications
 Programmable DC output with adjustable voltage range and current limiting
 Separate coarse and fine adjustment controls for precise setting
 Clear front-panel display for voltage and current readouts
 Protections including overcurrent and short-circuit response
 Benchtop form factor suitable for laboratory and workshop use
How to use
Connect the supply to a suitable mains source and ensure correct wiring and grounding before powering on. Use the voltage and current controls to set the desired output values, monitoring the front-panel display to confirm settings. Enable any programmable or memory functions as needed to store or recall output configurations. When connecting devices under test, observe polarity and use appropriate leads and connectors; engage current limiting or protection features when required to prevent damage to sensitive components.
Usage recommendations
For stable results, allow the power supply to warm up after initial switch-on, set current limits lower than the maximum device rating during initial tests, and verify connections before applying power. Regularly check leads and terminals for wear and keep ventilation clear to maintain reliable operation.

## FAQ

### How much does the Unit UDP3303A laboratory power supply cost, and is it available for purchase?

The price is 356.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 22.06.2026 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 Unit UDP3303A laboratory power supply 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 Unit 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 Unit 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/11048217/65908302_large.webp