# Three-phase electricity meter electro base 3F-7DIN 4121 Wi‑Fi multi-tariff — DIN‑rail mounted, remote reading

**URL:** https://aio.lv/en/product--electro-base-3f-7din-4121-wifi--10550530
**Data updated:** 2026-02-12 21:59 (EET)
**Category:** Smart Sensors
**Manufacturer:** electro base
**Manufacturer code:** 3F-7DIN 4121 WIFI
**EAN:** 3100001416026
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 99.00 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 81.82 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--electro-base-3f-7din-4121-wifi--10550530

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Three-phase electricity meter electro base 3F-7DIN 4121 Wi‑Fi is a DIN-rail mounted, multi-tariff meter with built-in Wi‑Fi for remote reading and data transmission. Designed to measure consumption in three-phase installations, it supports multiple tariffs and is suitable for residential, commercial, or small industrial use where remote monitoring and tariff differentiation are required.

## Long description

The electro base 3F-7DIN 4121 Wi‑Fi three-phase electricity meter is a DIN-rail mounted, multi-tariff device with integrated Wi‑Fi for remote reading and data transmission. It is designed to measure active energy consumption in three-phase installations and to register consumption across multiple tariff periods. The compact DIN-rail form factor allows installation in standard distribution boards in residential, commercial, or small industrial environments where remote monitoring and tariff differentiation are needed.
Advantages
The meter combines multi-tariff functionality with built-in Wi‑Fi connectivity to enable remote reading without additional communication modules. Its DIN‑rail mounting ensures straightforward installation in typical electrical cabinets. The device is suitable for environments that require clear separation of consumption by tariff periods and remote access to measurement data for billing or monitoring purposes.
Suitable for
Residential three-phase electrical installations with time-of-use billing
Small commercial premises requiring remote consumption monitoring
Light industrial sites where multi-tariff measurement is needed
Key specifications
Mounting type: DIN-rail
Measurement: three-phase active energy
Tariff support: multi-tariff (time-of-use)
Connectivity: integrated Wi‑Fi for remote reading and data transmission
Intended use: remote monitoring and tariff-differentiated metering in residential, commercial, or small industrial settings
How to use
Install the meter on a standard DIN‑rail inside the distribution board following local electrical regulations and safety practices. Connect the three-phase supply and load conductors according to wiring diagrams supplied by the installer or manufacturer, and configure the tariff schedules and Wi‑Fi settings via the device interface or accompanying app or software. After configuration, verify correct phase connections, register readings across tariff periods, and confirm remote access to consumption data through the Wi‑Fi link.
Usage recommendations
Use a qualified electrician for installation and configuration, ensure the device firmware and associated software are kept up to date, and place the meter where it has stable Wi‑Fi coverage for reliable remote reading. Follow local metering regulations when using the device for billing purposes.

## FAQ

### How much does the Three-phase meter electro base 3F-7DIN 4121 Wi‑Fi cost, and is it available for purchase?

The price is 99.00 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 02.07.2026 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 Three-phase meter electro base 3F-7DIN 4121 Wi‑Fi 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 electro base 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 electro base 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/10550530/52703509_large.webp