# Three-phase energy meter Nous NOUS-D4Z 230/410 VAC 120 A

**URL:** https://aio.lv/en/product--nous-nous-d4z--11190947
**Data updated:** 2025-12-30 18:30 (EET)
**Category:** Other goods
**Manufacturer:** Nous
**Manufacturer code:** NOUS-D4Z
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 114.45 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 94.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--nous-nous-d4z--11190947

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 06.07.2026 | 1.89 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Three-phase energy meter Nous NOUS-D4Z measures electrical energy in 230/410 VAC networks with a rated current of 120 A. Designed for monitoring consumption in residential or commercial three-phase installations, it provides accurate measurement of active energy and supports standard wiring for three-phase systems. Suitable for installers and facility managers who need reliable usage data and billing support.

## Long description

Three-phase energy meter Nous NOUS-D4Z measures active electrical energy in 230/410 VAC networks and is designed for residential and commercial three-phase installations. The device supports standard three-phase wiring and provides energy monitoring with positive energy flow direction detection. It is mounted on a DIN rail using a locking clip and is built from flame-retardant PC/ABS (V0) material.
Advantages
The meter uses ZigBee 3.0 for wireless communication and integrates with NOUS Smart Home app for smartphone control. It supports voice assistant control via Amazon Alexa and Google Home, offers a wide operating voltage range for phase-to-neutral and phase-to-phase connections, and handles a maximum current up to 120 A. Certified to CE and RoHS standards, the unit operates across a broad temperature range and provides IP20 protection.
Suitable for
Monitoring energy consumption in three-phase residential installations
Energy tracking in small commercial or light-industrial sites
Installation by electricians on DIN rails in distribution boards
Use with smart home systems that support ZigBee and voice assistants
Key specifications
Model: Nous NOUS-D4Z
Rated voltage: 220–240 VAC phase-to-neutral, 50/60 Hz; 380–415 VAC phase-to-phase, 50/60 Hz
Maximum load current: Imax 120 A
Protocol: ZigBee 3.0 (IEEE802.15.4)
Material: PC/ABS (V0)
Protection level: IP20
Operating temperature: -25 to 70 °C
App control: NOUS Smart Home (iOS 8 or Android 4.4 and above)
Voice assistants: Amazon Alexa, Google Home
Certifications: CE, RoHS
Mounting: DIN rail with locking clip
Warranty: 24 months
How to use
Install the meter on a standard DIN rail inside the distribution board and connect it according to the three-phase wiring diagram, observing phase-to-neutral and phase-to-phase voltage ranges. Ensure the load current does not exceed 120 A. Pair the device to a ZigBee gateway or hub and add it to the NOUS Smart Home app for monitoring and configuration. Configure voice assistant integration through the app if required.
Usage recommendations
Use a qualified electrician for installation and wiring to ensure safety and compliance with local regulations. Do not exceed the rated current and protect the device from direct exposure to moisture. For reliable remote control and monitoring, use a compatible ZigBee gateway and keep the NOUS Smart Home app updated.

## FAQ

### How much does the Three-phase energy meter Nous NOUS-D4Z cost, and is it available for purchase?

The price is 114.45 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 Wednesday 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 energy meter Nous NOUS-D4Z 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 Nous 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 Nous 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/11190947/61965753_large.webp