# FF WI-MEF-3-40SET Wi-Fi Energy Consumption Monitor Set with LK-BZ-3 Protection

**URL:** https://aio.lv/en/product--ff-wi-mef-3-40set--12408545
**Data updated:** 2026-05-11 19:18 (EEST)
**Category:** Smart Sensors
**Manufacturer:** FF
**Manufacturer code:** WI-MEF-3-40SET
**EAN:** 5902431676869
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 164.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 136.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-wi-mef-3-40set--12408545

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The FF WI-MEF-3-40SET is a comprehensive energy monitoring solution featuring the WI-MEF-3-40A Wi-Fi power meter and LK-BZ-3 protection module. Designed for precise electricity consumption tracking, this set allows for remote monitoring via Wi-Fi, providing real-time data for efficient energy management in residential or commercial electrical installations.

## Long description

The FF WI-MEF-3-40SET is a professional energy monitoring solution designed to provide precise tracking of electricity consumption in residential and commercial environments. This comprehensive set combines the WI-MEF-3-40A Wi-Fi power meter with the LK-BZ-3 protection module, ensuring both accurate data collection and enhanced safety for your electrical installation. By connecting to your local Wi-Fi network, the system allows for real-time remote monitoring, enabling users to analyze energy usage patterns and optimize power consumption efficiently.
Advantages
This monitoring set offers significant benefits for those looking to gain better control over their energy expenses. The integration of a dedicated protection module adds a layer of security to the measurement process, safeguarding the system against potential electrical irregularities. With its Wi-Fi connectivity, the device provides seamless access to energy data from anywhere, eliminating the need for manual readings. The system is engineered for reliability and ease of integration into existing electrical panels, making it a practical choice for modern energy management.
Suitable for
Residential energy monitoring and cost tracking
Commercial facility power management
Smart home electrical system integration
Real-time electricity consumption analysis
This device may not be suitable for high-voltage industrial applications that exceed the specified current rating of the meter. It is also not intended for use in environments with extreme humidity or temperatures outside the manufacturer's operational guidelines, as these conditions could compromise the accuracy and longevity of the electronic components.
Key specifications
Connectivity: Wi-Fi
Components: WI-MEF-3-40A meter and LK-BZ-3 protection module
Application: Energy consumption monitoring
Installation: Electrical panel mounting
How to use
The installation should be performed by a qualified electrician to ensure compliance with local safety standards. The WI-MEF-3-40A meter and the LK-BZ-3 protection module are mounted within the electrical distribution board. Once physically installed, the device must be connected to your local Wi-Fi network following the provided configuration instructions. After successful network pairing, you can access the energy consumption data through the designated interface to monitor your power usage in real time.
What to consider before purchase
Ensure your electrical panel has sufficient space for both modules
Verify that your Wi-Fi signal strength is adequate at the installation site
Confirm that the system's current rating matches your electrical requirements
For optimal performance and safety, ensure that all connections are tightened according to the technical specifications and that the device is kept within its recommended operating temperature range.

## FAQ

### How much does the FF WI-MEF-3-40SET Wi-Fi Energy Monitor and Protection Set cost, and is it available for purchase?

The price is 164.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 16.07.2026 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 FF WI-MEF-3-40SET Wi-Fi Energy Monitor and Protection Set 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 FF 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 FF 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/12408545/68700075_large.webp