# Qoltec Three-Phase Voltage Stabilizer AVR MULTIPROTECTION 40kVA Servo Motor LCD Expert Line

**URL:** https://aio.lv/en/product--qoltec-51910--12649780
**Data updated:** 2026-09-05 04:22 (EEST)
**Category:** Other goods
**Manufacturer:** QOLTEC
**Manufacturer code:** 51910
**EAN:** 5901878519104
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 1 487.49 €
**Prices and availability valid until:** 2026-10-16 23:59
**Price without VAT (21%):** 1 229.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-51910--12649780

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.09.2026 | free |
| Courier delivery to door | 30.09.2026 | 53.99 EUR |

## Summary description

Qoltec three-phase voltage stabilizer AVR MULTIPROTECTION with 40kVA capacity and ±3% accuracy. Features a 3F servo motor and an LCD display for precise real-time monitoring. Designed for expert line applications, it protects sensitive industrial and commercial equipment from power fluctuations, ensuring stable and reliable electrical performance.

## Long description

The Qoltec Three-Phase Voltage Stabilizer AVR MULTIPROTECTION 40kVA Servo Motor LCD Expert Line is an advanced power regulation device engineered to protect sensitive industrial and commercial electrical systems. Utilizing a reliable three-phase servo motor and delivering a high capacity of 40kVA with an accuracy of ±3%, this stabilizer actively corrects voltage fluctuations to provide a steady and consistent power supply.
Equipped with an intuitive LCD display, the unit allows users to monitor operational parameters in real time. As part of the Expert Line series, it is built to meet the demanding power conditioning needs of professional environments where voltage instability can disrupt critical operations or damage valuable machinery.
Advantages
This voltage stabilizer offers exceptional performance through its robust 40kVA capacity, making it capable of supporting heavy-duty electrical installations. The integrated 3F servo motor ensures smooth and continuous voltage correction, while the ±3% output accuracy guarantees precise power delivery to sensitive connected devices. The built-in LCD display provides clear, real-time visibility of input and output parameters, enabling efficient system monitoring. Designed for expert applications, the unit delivers comprehensive multiprotection features to safeguard equipment against electrical irregularities.
Suitable for
Protecting sensitive industrial machinery from voltage drops and surges
Stabilizing power in commercial facilities and offices
Supporting large-scale three-phase electrical systems
Ensuring continuous and reliable operation of critical technical equipment
This stabilizer may not be suitable for residential use involving standard household appliances, as its large capacity and three-phase design are specifically engineered for heavy commercial and industrial power requirements. It is also not designed to function as an uninterruptible power supply during total power outages.
Key specifications
Capacity: 40kVA
Phase configuration: Three-phase (3F)
Technology: Servo motor
Voltage accuracy: ±3%
Display type: LCD
Product line: Expert Line
Installation and operation should be performed by qualified personnel in accordance with electrical safety guidelines. Ensure that the total load of the connected equipment does not exceed the 40kVA capacity of the stabilizer. Connect the unit to a compatible three-phase power source and securely attach the output lines to the protected devices before powering on the system. Monitor the LCD screen during initial startup to verify correct voltage regulation.
What to consider before purchase
Verify that your facility has a three-phase electrical supply compatible with the unit
Assess the total power consumption of your equipment to ensure it aligns with the 40kVA capacity
Confirm space requirements for proper installation and ventilation in an industrial or commercial setting
Regularly inspect the electrical connections and monitor the LCD display to ensure optimal performance and longevity of the voltage stabilizer within your facility.

## FAQ

### How much does the Qoltec AVR MULTIPROTECTION 40kVA Voltage Stabilizer cost, and is it available for purchase?

The price is 1,487.49 € (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 25.09.2026 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, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Qoltec AVR MULTIPROTECTION 40kVA Voltage Stabilizer 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 QOLTEC 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 QOLTEC 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/12649780/69823168_large.webp