# Three-phase electronic meter QOLTEC 50989, 400 V, 100 A

**URL:** https://aio.lv/en/product--qoltec-50989--11447012
**Data updated:** 2026-02-15 12:36 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** QOLTEC
**Manufacturer code:** 50989
**EAN:** 5901878509891
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 20.65 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-50989--11447012

## 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 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

Three-phase electronic meter QOLTEC 50989 is designed for measuring electrical energy in three-phase systems. Rated for 400 V nominal voltage and up to 100 A current, it provides accurate consumption readings for residential or commercial installations. Compact electronic design enables straightforward mounting and integration into distribution panels, helping monitor usage and manage energy costs.

## Long description

Three-phase electronic meter QOLTEC 50989, 400 V, 100 A is an DIN-rail compatible energy meter designed to measure active electrical energy in three-phase low-voltage installations. The meter operates at a nominal system voltage of 400 V and supports currents up to 100 A, providing clear numeric readouts for consumption monitoring in residential, commercial, or light industrial distribution panels. Its compact electronic enclosure facilitates straightforward mounting and wiring, while offering reliable metering for budgeting, energy accounting, and load analysis.
Advantages
This three-phase electronic meter offers accurate active energy measurement across three phases with stable performance under normal operating conditions. The compact form factor simplifies installation in standard distribution boards and the digital display enables easy reading of cumulative consumption values. The device is suitable for continuous use and provides consistent measurement useful for billing, energy management and basic troubleshooting of imbalanced loads.
Suitable for
 Residential apartment blocks and multi-dwelling units
 Small commercial premises and retail outlets
 Light industrial applications where three-phase metering up to 100 A is required
 Utility sub-distribution and tenant submetering
Key specifications
 System type: three-phase electronic energy meter
 Nominal voltage: 400 V
 Nominal current: up to 100 A
 Measurement: active electrical energy (kWh)
 Mounting: DIN-rail compatible enclosure for panel installation
 Display: digital numeric readout for cumulative consumption
 Operating environment: indoor electrical distribution panels
How to use
Mount the meter on a standard DIN-rail inside the distribution board, ensuring the power is disconnected before wiring. Connect the three phase conductors and the neutral according to local wiring practices and regulations, and secure the meter's terminals. After restoring supply, verify the digital display for correct phase sequence and expected idle readings. Record initial meter values for baseline consumption monitoring and periodically check connections and readings as part of routine maintenance.
Usage recommendations
Install and service the meter only by a qualified electrician following local electrical codes. Use the meter within its rated voltage and current limits, and protect it with appropriate upstream overcurrent protection. For accurate accounting, periodically compare meter readings with any secondary measurement devices and inspect for signs of overheating or loose connections.

## FAQ

### How much does the Three-phase meter QOLTEC 50989 — 400V 100A cost, and is it available for purchase?

The price is 24.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 204 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. 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 QOLTEC 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 QOLTEC 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/11447012/66084258_large.webp