# BREVE AUTO OIEA 3 Single-Phase Autotransformer 230V/0-260V 2.8A

**URL:** https://aio.lv/en/product--breve-19854-0028--11389609
**Data updated:** 2026-05-18 02:51 (EEST)
**Category:** Voltage Stabilizers
**Manufacturer:** BREVE
**Manufacturer code:** 19854-0028
**EAN:** 5907812718688
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 138.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 114.87 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--breve-19854-0028--11389609

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The BREVE AUTO OIEA 3 is a high-quality single-phase autotransformer designed for voltage regulation. It features an input voltage of 230V and an adjustable output range of 0-260V with a rated current of 2.8A. This reliable device is suitable for industrial and laboratory applications requiring precise voltage control and stable power supply performance.

## Long description

The BREVE AUTO OIEA 3 is a professional single-phase autotransformer engineered for precise voltage regulation in various electrical systems. Operating with a 230V input, this device provides a continuously adjustable output voltage ranging from 0V to 260V, supporting a rated current of 2.8A. Its robust construction ensures reliable performance and durability, making it an essential component for environments where stable and variable power supply is critical.
Advantages
This autotransformer offers exceptional versatility by allowing users to fine-tune voltage levels to meet specific equipment requirements. The high-quality design minimizes energy loss and ensures consistent output stability, which is vital for protecting sensitive electronics and maintaining operational accuracy. Its compact and durable build allows for seamless integration into existing setups, providing a dependable solution for long-term industrial or laboratory use.
Suitable for
Laboratory testing and research equipment
Industrial automation and control systems
Voltage stabilization for sensitive electronic devices
Educational setups in technical schools and universities
Testing power supplies and electrical components
When it may not be suitable
This device is not intended for applications requiring galvanic isolation between the input and output circuits, as it is an autotransformer. It is also not suitable for high-power industrial machinery that exceeds the 2.8A current rating.
Key specifications
Input voltage: 230V AC
Output voltage range: 0-260V AC
Rated current: 2.8A
Phase: Single-phase
Design: Open-type autotransformer
How to use
To use the BREVE AUTO OIEA 3, connect the input terminals to a standard 230V power source. Ensure that the device is placed on a stable, non-conductive surface with adequate ventilation. Use the adjustment mechanism to gradually increase or decrease the output voltage to the desired level while monitoring the output with a voltmeter. Always ensure that the connected load does not exceed the rated current of 2.8A to prevent overheating or damage.
What to consider before purchase
Verify that your equipment requires a non-isolated voltage source
Ensure the load current does not exceed 2.8A
Check that the input voltage matches your local power grid
Confirm the physical dimensions fit your installation space
Usage recommendations
Always disconnect the power supply before making any adjustments to the wiring or connections. Regularly inspect the device for signs of wear or dust accumulation to maintain optimal cooling and performance.

## FAQ

### How much does the BREVE AUTO OIEA 3 Single-Phase Autotransformer cost, and is it available for purchase?

The price is 138.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 14.07.2026 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 BREVE AUTO OIEA 3 Single-Phase Autotransformer 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 BREVE 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 BREVE 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/11389609/66031036_large.webp