# Huawei Smart Power Sensor DTSU666-HW three-phase smart power meter

> Three-phase Huawei DTSU666-HW highly accurate smart power sensor with wireless communication, designed for compatible Huawei photovoltaic systems. It enables real-time consumption tracking, grid export control, and optimization of energy storage systems.

## Product identity
- **Brand:** Huawei
- **SKU:** I201
- **MPN:** I201

## Description
Huawei DTSU666-HW is a three-phase smart power sensor designed for measuring energy flow in compatible Huawei photovoltaic systems. The specified model supports communication via RS485 Modbus and Wi-Fi.

The **DTSU666-HW** model features high adaptability: it can be connected directly (depending on current limits) or using current transformers (CT), making it ideal for both residential and larger commercial electrical connections. The meter communicates directly with Huawei inverters via the RS485 (Modbus-RTU) communication interface. This enables dynamic power limitation solutions (Zero-Export) and ensures precise charging and discharging balance of LUNA2000 batteries according to the household's consumption needs.

## Specifications
- **Phases:** 3 fazės
- **Connectivity:** RS485 Modbus + Wi-Fi
- **Modelis:** DTSU666-HW
- **Warranty:** 2 metai

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