# Laboratory DC Power Supply Unit Unit UDP3303C 0–30V 0–3A Dual Output Adjustable

**URL:** https://aio.lv/en/product--unit-mie0511--12273053
**Data updated:** 2026-04-26 18:46 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** Unit
**Manufacturer code:** MIE0511
**EAN:** 5901890121606
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 348.99 €
**Prices and availability valid until:** 2026-07-08 23:59
**Price without VAT (21%):** 288.42 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--unit-mie0511--12273053

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.06.2026 | free |
| Pickup points | 22.06.2026 | 1.99 EUR |
| Courier delivery to door | 22.06.2026 | 9.19 EUR |

## Summary description

The Unit UDP3303C is a laboratory DC power supply offering two adjustable outputs with 0–30V voltage range and up to 3A current per channel. It provides stable, low-noise DC power for electronics testing, bench work, prototyping and repair. Features include precise voltage/current regulation, independent channel control and protection against overload and short circuit.

## Long description

The Unit UDP3303C is a laboratory DC power supply with dual adjustable outputs, offering 0–30V voltage range and up to 3A current per channel. Designed for bench testing, prototyping and repair tasks, this unit provides stable, low-noise DC power with precise voltage and current regulation, independent channel control and built-in protection against overload and short circuit.
Advantages
The dual-output design allows two independent voltage/current sources in one compact bench unit, enabling simultaneous powering of multiple circuits or multi-rail systems. Precise regulation and low output ripple support sensitive electronics and measurement tasks, while overcurrent and short-circuit protection enhance safety for both the device under test and the instrument. Front-panel controls provide quick manual adjustments and the clear display shows voltage and current values for each channel.
Suitable for
Electronics prototyping and development on the workbench
Repair and service of consumer electronics and small appliances
Testing and powering microcontroller and sensor circuits
Education and laboratory experiments requiring adjustable DC sources
When it may not be suitable
This unit is intended for laboratory and bench use and is not designed as a high-power industrial supply. It is limited to 3A per channel; applications requiring significantly higher current or higher power output will need a different model. For battery charging or high-voltage experiments that exceed the 0–30V range, choose a dedicated charger or a supply with the required voltage range and safety features.
Key specifications
Output channels: 2 independent DC outputs
Output voltage range: 0–30 V per channel
Maximum output current: 0–3 A per channel
Regulation: precise voltage and current control with low ripple
Protections: overcurrent and short-circuit protection
User interface: front-panel knobs and digital display for voltage/current
How to use
Connect the power supply to a suitable AC mains source, then connect the output terminals to the device under test using appropriate leads and polarity. Power on the unit, set the desired voltage for a channel and then adjust the current limit to a safe value before applying power to the circuit. Monitor the digital display for real-time voltage and current readings. Use the independent channel controls to operate two different circuits or to provide multiple rails to one system.
What to consider before purchase
Required voltage and current ranges for your projects (maximum 30 V and 3 A per channel)
Need for two independent outputs versus a single higher-power supply
Bench space and the physical dimensions of the unit
Whether built-in protections meet your safety and testing requirements
Usage recommendations
For repeatable test results, set the current limit slightly above the expected operating current of your circuit to prevent inadvertent trips. Use short, properly rated leads and keep wiring neat to reduce noise and voltage drop. When testing sensitive components, enable the lowest practical voltage and raise it slowly while monitoring current to avoid damage.

## FAQ

### How much does the Unit UDP3303C Laboratory DC Power Supply cost, and is it available for purchase?

The price is 348.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 17.06.2026 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 UDP3303C Laboratory DC 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/12273053/68194394_large.webp