# BREVE AUTO KIEA 4 Single-Phase Autotransformer 230V/0-260V 3.8A

**URL:** https://aio.lv/en/product--breve-19854-0032--12462152
**Data updated:** 2026-05-18 09:40 (EEST)
**Category:** Voltage Stabilizers
**Manufacturer:** BREVE
**Manufacturer code:** 19854-0032
**EAN:** 5907812731144
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The BREVE AUTO KIEA 4 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 3.8A. This reliable device is ideal for industrial and laboratory applications requiring precise voltage control, ensuring stable performance and durability in demanding electrical environments.

## Long description

The BREVE AUTO KIEA 4 is a professional-grade single-phase autotransformer engineered for precise voltage regulation in various electrical systems. With an input voltage of 230V and a versatile adjustable output range from 0V to 260V, this device provides the flexibility needed for sensitive equipment testing and power management. Built to handle a rated current of 3.8A, it offers consistent performance and robust construction suitable for demanding professional environments.
Advantages
This autotransformer stands out due to its high build quality and reliability in maintaining stable output voltage levels. Its compact design allows for efficient integration into existing setups, while the smooth adjustment mechanism ensures accuracy during operation. The device is designed for long-term durability, making it a dependable choice for users who require consistent power regulation without frequent maintenance.
Suitable for
Laboratory testing and research equipment
Industrial automation and control systems
Voltage stabilization for sensitive electronic devices
Educational workshops and technical training centers
This device may not be suitable for applications requiring galvanic isolation, as it is an autotransformer and does not provide electrical separation between the input and output circuits. It is also not intended for high-power industrial machinery that exceeds the 3.8A current rating.
Key specifications
Input voltage: 230V AC
Output voltage range: 0-260V AC
Rated current: 3.8A
Phase: Single-phase
To operate the BREVE AUTO KIEA 4, connect the input terminals to a standard 230V power source and ensure the load is connected to the output terminals. Gradually adjust the output voltage using the control knob while monitoring the output with a voltmeter to reach the desired level. Always ensure the device is placed in a well-ventilated area to prevent overheating during extended use.
What to consider before purchase
Verify that your equipment does not require galvanic isolation
Ensure the 3.8A current rating is sufficient for your specific load
Check that the input voltage matches your local power grid
Usage recommendations: Always disconnect the power supply before making any adjustments to the wiring. Ensure the device is operated within its rated current limits to maintain safety and prolong the lifespan of the transformer.

## FAQ

### 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 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

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