# FF WI-MEF-3-100SET Wi-Fi Energy Consumption Monitor Set with LK-BZ-3 Protection

**URL:** https://aio.lv/en/product--ff-wi-mef-3-100set--12470433
**Data updated:** 2026-05-18 09:27 (EEST)
**Category:** Smart Sensors
**Manufacturer:** FF
**Manufacturer code:** WI-MEF-3-100SET
**EAN:** 5902431676876
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 166.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 137.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-wi-mef-3-100set--12470433

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The FF WI-MEF-3-100SET is a comprehensive energy monitoring solution featuring the WI-MEF-3-100A Wi-Fi meter and LK-BZ-3 protection module. Designed for precise electricity consumption tracking, this set allows for remote data access via Wi-Fi. It is an ideal tool for residential and commercial energy management, ensuring both accurate monitoring and electrical safety in three-phase systems.

## Long description

The FF WI-MEF-3-100SET is a professional-grade energy monitoring solution designed for three-phase electrical systems. This comprehensive set includes the WI-MEF-3-100A Wi-Fi energy meter and the LK-BZ-3 protection module, providing a robust system for tracking electricity consumption and safeguarding electrical circuits. By integrating Wi-Fi connectivity, the device enables users to monitor real-time energy data remotely through a dedicated application, facilitating efficient energy management in various environments.
Advantages
The primary benefit of this set is the combination of precise measurement capabilities with integrated circuit protection. The system offers high accuracy in tracking power usage, which helps in identifying energy-intensive appliances and optimizing overall consumption patterns. The remote access feature via Wi-Fi ensures that users can stay informed about their electrical system status from anywhere, providing peace of mind and enabling quick responses to potential issues. Furthermore, the inclusion of the protection module adds a layer of safety, helping to prevent damage to the electrical installation.
Suitable for
Residential energy monitoring for smart homes
Commercial building electricity management
Tracking energy consumption in three-phase industrial setups
Remote monitoring of electrical circuits in vacation homes or remote facilities
When it may not be suitable
This device is specifically designed for three-phase electrical systems and is not compatible with single-phase installations. Additionally, it requires a stable Wi-Fi network for remote data transmission, meaning it may not be suitable for locations without reliable internet connectivity.
Key specifications
System type: Three-phase
Connectivity: Wi-Fi
Components: WI-MEF-3-100A meter and LK-BZ-3 protection module
Function: Real-time energy consumption monitoring and circuit protection
How to use
Installation should be performed by a qualified electrician to ensure safety and compliance with local electrical codes. The meter and protection module are mounted on a standard DIN rail within the distribution board. Once physically installed and wired according to the provided technical documentation, the device must be connected to the local Wi-Fi network using the manufacturer's application. After the initial configuration, the system will begin collecting data, which can then be viewed and analyzed through the mobile interface.
What to consider before purchase
Verify that your electrical installation is a three-phase system
Ensure there is sufficient space on the DIN rail in your distribution board
Check for a stable Wi-Fi signal at the installation location
Confirm compatibility with your existing smart home ecosystem if integration is required
Usage recommendations
Regularly check the application for firmware updates to ensure optimal performance and security. Periodically review the energy consumption reports to identify potential savings and ensure the electrical system is operating within safe parameters.

## FAQ

### How much does the FF WI-MEF-3-100SET Wi-Fi Energy Monitor and Protection Set cost, and is it available for purchase?

The price is 166.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 03.07.2026 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-3-100SET 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/12470433/68773039_large.webp