# Automatic Voltage Stabilizer KEMOT SER-500-S, 8% Precision, model URZ3438-500-S

**URL:** https://aio.lv/en/product--kemot-urz3438-500-s--11178822
**Data updated:** 2026-03-12 16:28 (EET)
**Category:** Voltage Stabilizers
**Manufacturer:** KEMOT
**Manufacturer code:** URZ3438-500-S
**EAN:** 5901890115841
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 39.99 €
**Prices and availability valid until:** 2026-08-13 23:59
**Price without VAT (21%):** 33.05 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kemot-urz3438-500-s--11178822

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 04.08.2026 | free |
| Pickup points | 07.08.2026 | 1.89 EUR |
| Courier delivery to door | 07.08.2026 | 4.99 EUR |

## Summary description

KEMOT SER-500-S is an automatic voltage stabilizer with 8% precision, intended to maintain steady mains voltage for connected electrical equipment. The device regulates input voltage fluctuations to protect appliances and ensure reliable operation of sensitive devices. Suitable for residential and small commercial use where stable supply and over/under-voltage correction are required.

## Long description

KEMOT SER-500-S is an automatic voltage stabilizer designed to maintain a stable mains voltage for connected electrical equipment. With 8% precision, the unit monitors incoming supply and corrects over-voltage and under-voltage conditions to protect appliances and ensure reliable operation of sensitive devices. The compact design and automatic operation make it suitable for residential environments and small commercial installations where consistent voltage is required.
Advantages
The stabilizer offers automatic voltage regulation with 8% precision, reducing the risk of damage to electronics caused by supply fluctuation. Its operation is fully automatic, requiring no user adjustments during normal use. The device provides continuous protection against voltage spikes and drops and is built for simple integration into existing mains circuits. The compact footprint supports installation in limited spaces typical of households and small offices.
Suitable for
 Home appliances such as refrigerators, televisions and audio systems
 Small office equipment including computers, routers and printers
 Sensitive electronic devices that require stable mains voltage
 Residential and small commercial electrical installations
Key specifications
 Automatic voltage regulation with 8% precision
 Designed for single-phase mains supply
 Compact enclosure suitable for wall or floor placement
 Continuous operation to correct over-voltage and under-voltage
 Intended for residential and small commercial load levels
How to use
Install the stabilizer according to local electrical codes, ensuring the device is connected to the mains supply before attaching loads. Place the unit on a flat, stable surface or mount it on an appropriate wall if space requires. Connect the electrical appliances to the stabilizer output and switch the unit on; it will monitor incoming voltage and automatically adjust output to maintain stable supply. Regularly inspect connections and keep ventilation openings unobstructed to ensure proper cooling during operation.
Usage recommendations
For reliable performance, position the stabilizer in a dry, well-ventilated area away from direct sunlight and heat sources. Verify that the total connected load remains within the device's intended capacity and avoid connecting inductive loads with high starting currents without consulting technical specifications. Periodic visual inspection and cleaning of dust from vents will help maintain operational stability.

## FAQ

### How much does the KEMOT SER-500-S Voltage Stabilizer cost, and is it available for purchase?

The price is 39.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 83 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 04.08.2026 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. 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 KEMOT 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 KEMOT 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/11178822/68531135_large.webp