# Wall-mounted emergency power supply KEMOT PROsinus-500 — pure sine converter 12V to 230V, 500VA / 300W, charging function

**URL:** https://aio.lv/en/product--kemot-lec-urz3408--11049368
**Data updated:** 2026-03-07 18:14 (EET)
**Category:** UPS
**Manufacturer:** KEMOT
**Manufacturer code:** LEC-URZ3408
**EAN:** 5901890019019
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 81.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 67.76 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kemot-lec-urz3408--11049368

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.89 EUR |
| Courier delivery to door | 10.07.2026 | 5.34 EUR |

## Summary description

KEMOT PROsinus-500 is a wall-mounted emergency power supply and inverter converting 12V DC to 230V AC with a pure sine output. Rated at 500VA / 300W, it provides uninterrupted backup power for essential devices and supports battery charging via its integrated charging function. Suitable for powering sensitive electronics, small appliances, and emergency systems in homes, offices, or light commercial installations.

## Long description

KEMOT PROsinus-500 is a wall-mounted emergency power supply and inverter that converts 12V DC to 230V AC with a pure sine output. With a continuous rating of 300W and a maximum of 500VA, it delivers clean alternating current suitable for sensitive electronics and small household or office equipment. The unit includes an integrated charging function to maintain connected batteries and is designed for fixed installation on a wall to provide reliable backup power for essential loads during outages.
Advantages
The pure sine output minimizes harmonic distortion and ensures compatibility with sensitive equipment such as computers, networking gear and audio devices. Its wall-mounted design saves floor space and supports tidy installation in utility rooms or service cabinets. The built-in charger simplifies system setup by enabling controlled battery maintenance, while the compact footprint and robust construction make the device suitable for continuous standby duty.
Suitable for
 Backup power for desktop computers and monitors
 Small office equipment: routers, switches, VoIP phones
 Emergency lighting and alarm systems
 Small household appliances with resistive or electronics loads
 Remote or mobile installations requiring 230V from a 12V battery
Key specifications
 Input voltage: 12 V DC
 Output waveform: pure sine wave (230 V AC)
 Continuous output power: 300 W
 Apparent power (peak): 500 VA
 Wall-mountable enclosure suitable for fixed installation
 Integrated battery charging function for lead-acid batteries
 Designed for standby/backup operation
How to use
Mount the unit on a vertical surface using appropriate fixings, ensuring adequate ventilation and access to the DC battery and AC distribution wiring. Connect a 12V battery or DC source to the input terminals observing correct polarity. Connect required 230V loads to the AC output, respecting the continuous power rating of 300W to avoid overload. Configure the charging settings as required for the battery type following the manufacturer's instructions included with the product. Verify all electrical connections and test the unit under load to confirm proper operation before leaving it in service.
Usage recommendations
Use appropriately sized battery capacity to match expected backup runtime and avoid exceeding the inverter's continuous power rating. Provide regular battery maintenance and periodic testing of the system under real load conditions. Install in a dry, well-ventilated location away from heat sources and corrosive environments. For installations supplying critical systems, consider adding overcurrent protection and separate AC distribution for essential loads.

## FAQ

### How much does the KEMOT PROsinus-500 wall-mounted 12V→230V inverter cost, and is it available for purchase?

The price is 81.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 102 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 07.07.2026 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 KEMOT PROsinus-500 wall-mounted 12V→230V inverter 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 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/11049368/65889543_large.webp