# Electric meter Siemens 7LF4521-0

**URL:** https://aio.lv/en/product--siemens-7lf4521-0--1481865
**Data updated:** 2026-02-19 13:16 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** Siemens
**Manufacturer code:** 7LF4521-0
**EAN:** 4001869335582
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 306.99 €
**Prices and availability valid until:** 2026-08-12 23:59
**Price without VAT (21%):** 253.71 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-7lf4521-0--1481865

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.08.2026 | free |
| Pickup points | 13.08.2026 | 1.89 EUR |
| Courier delivery to door | 13.08.2026 | 4.99 EUR |

## Summary description

The Siemens 7LF4521-0 electric meter measures power current and displays consumption in kWh. Weighing only 180 g, it is compact and easy to install. Ideal for accurate energy monitoring in residential or commercial settings.

## Long description

The Siemens 7LF4521-0 electric meter measures electrical energy consumption and displays usage in kilowatt-hours (kWh). Compact and lightweight at approximately 180 g, this device is designed for straightforward installation and direct reading of accumulated energy use. The meter provides basic metering functionality suitable for monitoring power consumption in residential and light commercial environments where accurate kWh indication is required.
Advantages
This Siemens electric meter combines compact dimensions and low weight with a clear kWh display, offering easy handling during installation and simple ongoing reading of consumption data. Its straightforward operation and durable construction make it a practical option for standard single-phase metering tasks. The device’s accuracy and reliable measurement of power current support consistent energy monitoring and billing verification.
Suitable for
 Residential apartments and houses for tracking household electricity consumption
 Small commercial premises and offices with single-phase supply
 Temporary installations or renovation projects requiring a lightweight metering device
 Worksites and facility checks where quick verification of cumulative kWh is needed
Key specifications
 Measurement type: cumulative active energy in kilowatt-hours (kWh)
 Displayed parameter: total energy consumption (kWh)
 Physical characteristics: compact form factor, lightweight (~180 g)
 Intended supply: single-phase installation (typical residential/commercial use)
 User interface: direct numeric display for reading accumulated consumption
How to use
Install the meter according to local electrical codes and mounting instructions, ensuring it is connected to the correct phase and neutral conductors for single-phase measurement. After secure electrical connection and protective wiring checks, verify the display shows zero or the existing accumulated kWh value. Read the numeric display to obtain current total energy consumption; record readings periodically for monitoring or billing purposes. Ensure circuit protection is in place and de-energize the circuit before performing any installation or maintenance tasks.
Usage recommendations
Place the meter in a dry, ventilated location away from direct heat sources and moisture. Perform regular visual inspections and compare recorded readings with expected consumption patterns to detect anomalies. For legal metering or billing purposes, confirm that the device meets local metrology and certification requirements before use.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.18 kg |
| Units of measurement | kWh |
| Measuring functions | Power current |

## FAQ

### How much does the Electric meter Siemens 7LF4521-0 cost, and is it available for purchase?

The price is 306.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 10.08.2026 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. 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 Siemens 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 Siemens 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

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