# Deye SEM DTSU666-CT Smart meter with current transformers

**URL:** https://aio.lv/en/product--deye-dtsu666-ct--12673426
**Data updated:** 2026-09-18 04:26 (EEST)
**Category:** Other goods
**Manufacturer:** Deye
**Manufacturer code:** DTSU666-CT
**EAN:** 2000001398876
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 132.49 €
**Prices and availability valid until:** 2026-11-18 23:59
**Price without VAT (21%):** 109.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--deye-dtsu666-ct--12673426

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 26.10.2026 | 1.99 EUR |
| Courier delivery to door | 26.10.2026 | 4.99 EUR |

## Summary description

Deye SEM DTSU666-CT smart meter with current transformers designed for accurate electrical energy measurement and monitoring in photovoltaic and power systems. Features reliable performance and comes with a 120-month warranty, suitable for precise energy management applications.

## Long description

The Deye SEM DTSU666-CT Smart meter with current transformers is an advanced measurement device engineered for precise electrical energy monitoring in photovoltaic and general power systems. Designed to integrate seamlessly with energy management setups, this smart meter ensures accurate tracking of power generation and consumption data. Built with reliable components, the device supports long-term operational stability and comes backed by an extensive 120-month manufacturer warranty.
Advantages
This smart meter provides exceptional measurement accuracy for complex electrical networks, helping users maintain a clear overview of their power usage. Its robust construction ensures dependable performance in various operating conditions. The inclusion of dedicated current transformers allows for straightforward integration into existing electrical infrastructures. Furthermore, the extended warranty period reflects the high build quality and reliable engineering of the device.
Suitable for
Photovoltaic solar systems requiring precise energy monitoring
Power management and electrical consumption tracking applications
Residential and commercial installations needing accurate grid interaction data
When it may not be suitable
This device may not be suitable for electrical systems that operate outside its specified technical parameters or require incompatible communication protocols. It is designed specifically for compatible power and photovoltaic setups and cannot function effectively as a standalone meter without the correct supporting infrastructure.
Key specifications
Brand: Deye
Model: SEM DTSU666-CT
Product family: Smart meter with current transformers
Net weight: 0.40 kg
Gross weight: 0.50 kg
Warranty: 120 months
How to use
Installation of the Deye SEM DTSU666-CT Smart meter should be performed by a qualified electrician in accordance with local electrical codes and safety regulations. The unit must be connected correctly to the power system along with the supplied current transformers to ensure proper signal acquisition. Once installed, the meter continuously measures electrical parameters, allowing compatible monitoring systems to access real-time energy data.
What to consider before purchase
Verify compatibility with your existing inverter or energy management system
Ensure proper physical space is available in the electrical panel for the meter and current transformers
Confirm that installation will be performed by a certified professional
Usage recommendations: Regularly check the meter connection and system integration data to ensure continuous and accurate energy tracking throughout its operational lifespan.

## FAQ

### How much does the Deye SEM DTSU666-CT Smart Meter with Current Transformers cost, and is it available for purchase?

The price is 132.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Deye SEM DTSU666-CT Smart Meter with Current Transformers 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 Deye 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 Deye 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/12673426/70021198_large.webp