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Empty image Huawei DTSU666-FE 3-Phase Fast Ethernet Smart Power Meter
220.49 €

Huawei DTSU666-FE 3-Phase Fast Ethernet Smart Power Meter

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Short description

The Huawei DTSU666-FE is a high-precision 3-phase smart power meter designed for energy monitoring in solar PV systems. Featuring a Fast Ethernet interface, it ensures reliable and rapid data transmission for real-time energy management. This meter is essential for optimizing self-consumption and monitoring grid interaction, providing accurate measurements for residential and commercial solar installations.
Available for order: 15 pcs.
Warranty: 2 Years
SKU: 10794505
Manufacturer: OEM
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
23.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
28.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.71 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
28.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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3 mth. х 73.5 €

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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 6.12 euros per month
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Product information

Description

The Huawei DTSU666-FE is a high-precision 3-phase smart power meter engineered specifically for comprehensive energy monitoring within solar photovoltaic systems. By integrating a Fast Ethernet interface, this device facilitates rapid and stable data transmission, allowing for seamless communication with your solar inverter and energy management system. It serves as a critical component for users aiming to track energy production, consumption, and grid interaction with high accuracy.

Advantages

This smart power meter offers exceptional measurement precision, ensuring that all energy data is captured reliably for effective system analysis. The inclusion of a Fast Ethernet port significantly enhances connectivity speed compared to standard serial connections, providing near real-time updates on energy flows. Its robust design is optimized for both residential and commercial solar installations, supporting complex 3-phase electrical environments while maintaining a compact footprint for easy integration into existing distribution boards.

Suitable for

  • Residential solar PV systems with 3-phase power supply
  • Commercial solar energy monitoring installations
  • Optimizing self-consumption of generated solar power
  • Real-time grid interaction and export monitoring

When it may not be suitable

This device is designed specifically for 3-phase electrical systems and is not compatible with single-phase residential setups. Furthermore, it requires a stable Ethernet network connection to function as intended, making it less suitable for locations where wired network infrastructure is unavailable or difficult to install.

Key specifications

  • Phase type: 3-phase
  • Communication interface: Fast Ethernet
  • Application: Solar PV energy monitoring
  • Measurement accuracy: High-precision

How to use

The Huawei DTSU666-FE should be installed by a qualified electrician within the main distribution board of the property. It must be connected in line with the electrical supply to monitor the energy flow between the grid, the solar inverter, and the household loads. Once physically installed and wired, the device must be configured through the solar inverter's management interface to ensure proper communication and data synchronization.

What to consider before purchase

  • Verify that your electrical system is 3-phase
  • Ensure a local Ethernet connection is available at the installation site
  • Check compatibility with your specific Huawei inverter model

Usage recommendations

For optimal performance and data security, ensure the Ethernet cabling is properly shielded and routed away from high-voltage power lines to prevent signal interference. Regularly check the inverter management portal to ensure the meter remains online and calibrated correctly.

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Customer reviews

Customer questions

FAQ

How much does the Huawei DTSU666-FE 3-Phase Fast Ethernet Meter cost, and is it available for purchase?

The price is 220.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 23.07.2026 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 Huawei DTSU666-FE 3-Phase Fast Ethernet Meter be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Huawei DTSU666-FE 3-Phase Fast Ethernet Meter online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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 OEM 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 OEM 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.