# Electric energy meter ORNO OR-WE-524 single-phase 100A MID 1-module DIN TH-35mm PV

**URL:** https://aio.lv/en/product--orno-or-we-524--12023164
**Data updated:** 2026-03-11 20:58 (EET)
**Category:** Sensors & Detectors
**Manufacturer:** ORNO
**Manufacturer code:** OR-WE-524
**EAN:** 5908254827839
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.49 €
**Prices and availability valid until:** 2026-08-08 23:59
**Price without VAT (21%):** 28.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--orno-or-we-524--12023164

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Pickup points | 31.07.2026 | 1.89 EUR |
| Courier delivery to door | 31.07.2026 | 4.99 EUR |

## Summary description

Single-phase electric energy meter ORNO OR-WE-524 designed for DIN TH-35mm mounting in a 1-module width. MID-certified for legal billing use, rated for up to 100 A and suitable for PV installations. Measures active energy consumption for residential or small commercial circuits, fits standard distribution boards and supports accurate monitoring and invoicing.

## Long description

The ORNO OR-WE-524 electric energy meter is a single-phase, 1-module DIN TH-35mm device designed to measure active energy consumption in residential and small commercial installations. MID-certified for legal billing, it supports currents up to 100 A and is suitable for integration with photovoltaic (PV) systems and standard distribution boards. The compact, rail-mounted form factor enables installation in constrained electrical panels while providing accurate metering for monitoring and invoicing purposes.
Advantages
The meter's MID certification ensures compliance with legal requirements for billing and trade. Its single-phase design and 1-module width make it compatible with common consumer units and distribution boards. With a rated current of up to 100 A, the device covers typical household and small business circuits. The DIN TH-35mm rail mounting simplifies installation and replacement, and the meter provides reliable active energy measurement suitable for grid-connected and PV-assisted setups.
Suitable for
Residential single-phase energy metering
Small commercial circuits and shops
Integration with photovoltaic (PV) microgeneration systems
Standard distribution boards with TH-35mm DIN rail
Accurate billing and energy monitoring applications
Key specifications
Measurement type: active energy (single-phase)
Rated current: up to 100 A
Mounting: 1-module width on TH-35mm DIN rail
Certification: MID-compliant for legal billing
Application: suitable for residential, small commercial, and PV installations
How to use
Install the meter on a TH-35mm DIN rail inside a distribution board in accordance with local electrical regulations. Connect the phase and neutral conductors to the designated terminals and ensure proper tightening of connections. Verify that the circuit's load does not exceed the 100 A rating. After powering the circuit, the meter will record active energy consumption; read the display for cumulative energy values used for monitoring or invoicing.
Usage recommendations
Follow national wiring rules and safety procedures during installation. Ensure periodic verification and calibration where required for billing accuracy. When used with PV systems, confirm correct direction and configuration for net metering or separate generation measurement. If in doubt, consult a qualified electrician to confirm compatibility with the existing distribution board and protective devices.

## FAQ

### How much does the ORNO OR-WE-524 single-phase 100A energy meter cost, and is it available for purchase?

The price is 34.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 28.07.2026 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 ORNO 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 ORNO 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/12023164/67511455_large.webp