# Qoltec Three-Phase Voltage Stabilizer AVR Multiprotection 10kVA Servo Motor Accuracy ±3% LCD Expert Line

**URL:** https://aio.lv/en/product--qoltec-51906--12649776
**Data updated:** 2026-09-05 04:22 (EEST)
**Category:** Other goods
**Manufacturer:** QOLTEC
**Manufacturer code:** 51906
**EAN:** 5901878519067
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 600.49 €
**Prices and availability valid until:** 2026-10-12 23:59
**Price without VAT (21%):** 496.27 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-51906--12649776

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.09.2026 | free |
| Courier delivery to door | 25.09.2026 | 53.99 EUR |

## Summary description

The Qoltec Three-Phase Voltage Stabilizer AVR Multiprotection 10kVA Expert Line is designed to protect sensitive electrical equipment from voltage fluctuations. Featuring a servo motor control mechanism, high accuracy of ±3%, and a clear LCD screen, this device ensures a stable power supply for demanding industrial and commercial applications. It offers reliable multi-level protection for connected three-phase systems.

## Long description

The Qoltec Three-Phase Voltage Stabilizer AVR Multiprotection 10kVA Servo Motor Accuracy ±3% LCD Expert Line is engineered to protect sensitive electrical equipment from voltage fluctuations, instability, and power surges. Utilizing an advanced servo motor control mechanism, this device provides a reliable and steady power supply for demanding industrial, commercial, and professional environments where consistent voltage is critical for continuous operation.
Advantages
This three-phase voltage stabilizer features a high output voltage accuracy of ±3%, ensuring that connected devices receive precise and regulated power at all times. Built with comprehensive multiprotection systems, it safeguards equipment against overvoltage, undervoltage, overload, and short circuits. The integrated LCD screen offers real-time monitoring of key operational parameters, allowing users to easily track input and output voltage levels as well as the overall status of the device.
Suitable for
Industrial machinery and automated production lines
Commercial office equipment and server rooms
Medical and laboratory devices requiring stable power
Sensitive three-phase electrical installations
When it may not be suitable
This stabilizer is not intended for single-phase electrical systems or residential appliances that operate on standard household voltage outlets. It may also exceed power and sizing requirements for small, low-wattage electronics that do not require dedicated three-phase voltage stabilization.
Key specifications
Capacity: 10kVA
Phase: Three-phase
Control type: Servo motor
Output voltage accuracy: ±3%
Display: LCD screen
Protection features: Multiprotection system against overvoltage, undervoltage, overload, and short circuits
How to use
Installation should be performed by a qualified electrician in accordance with local electrical codes and safety regulations. Connect the three-phase input power supply to the designated terminals of the stabilizer, and then wire the protected equipment to the output terminals. Power on the device using the main switch, and monitor the operational status and voltage levels on the built-in LCD screen to ensure normal functioning before initiating connected equipment operations.
What to consider before purchase
Verify that your electrical installation requires a three-phase stabilizer with a 10kVA capacity
Confirm that the total power consumption of your connected devices does not exceed the maximum capacity of the unit
Ensure adequate physical space and proper ventilation for installation
Check compatibility with your existing electrical infrastructure
Usage recommendations: Regularly inspect the connections and the LCD display to ensure optimal performance. Position the stabilizer in a well-ventilated, dry indoor environment free from excessive dust and moisture to prolong the lifespan of the servo motor and internal components.

## FAQ

### How much does the Qoltec 10kVA Three-Phase Voltage Stabilizer 51906 cost, and is it available for purchase?

The price is 600.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 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 22.09.2026 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. All transactions are 100% secure and encrypted.

### Can Qoltec 10kVA Three-Phase Voltage Stabilizer 51906 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/12649776/69823163_large.webp