HUAWEI Smart Power Sensor DTSU666-H 100A

Precise Monitoring
Tracks major electrical parameters such as voltage, current, power, frequency, power factor, and active and reactive energy, offering a clear picture of system performance.
Real-Time Data Display
Fitted with an LCD screen that displays real-time data, facilitating real-time analysis and management of energy data.
Seamless Communication
With RS485 communication and Modbus RTU protocol for seamless integration with inverters and other monitoring equipment for centralized data collection and analysis.
Compact Installation
Fitted with DIN35mm rail mounting for mounting, making easy and compact installation in various locations possible.
Energy Efficient
Less than 1 W of power consumption, which improves overall system energy efficiency.

Huawei Smart Power Sensor DTSU666-H 100A is a three-phase energy meter that is capable of accurately measuring and controlling electrical parameters in photovoltaic (PV) systems. It provides real-time energy consumption and generation readings, enabling users to optimize system performance and efficiency.

Product Features

Bidirectional Energy Measurement: Accurate measurement of imported and exported energy to enable efficient energy flow management in grid-connected PV systems.
High Measurement Accuracy: Accurate measurements with ±0.5% accuracy for voltage and ±1% accuracy for current, power, and energy, with consistent data for performance analysis.
User-Friendly Interface: The on-board LCD screen gives clear visualizations of the electrical parameters and energy data, enhancing user experience and system supervision.
Flexible Communication Settings: Adjustable communication addresses and baud rates that may be configured for specific system applications.
Robust Design: Stable operation between temperatures of -25°C and +60°C and relative humidity 5% to 95%, giving stability across different operating environments.

Application Scenarios

Residential PV Systems: Best for homeowners who want to track and control their energy usage and production, helping them make the best decisions to enhance energy efficiency.
Commercial Buildings: Best for commercial buildings that aim to optimize energy consumption, reduce operational costs, and achieve sustainability goals through precise energy monitoring.
Industrial Facilities: Best in industrial facilities where precise energy measurement is required to efficiently manage high-energy usage and comply with energy regulation.

Technical Specifications

Parameter	Value
Power Grid Type	Three-phase (3P3W / 3P4W)
Input Voltage (Phase/N)	176 Vac ~ 288 Vac
Line Voltage	304 Vac ~ 499 Vac
Current Measurement Range	0 ~ 100 A
Power Consumption	≤ 1 W
Measurement Accuracy	Voltage: ±0.5%; Current/Power/Energy: ±1%; Frequency: ±0.01 Hz
Communication Interface	RS485
Communication Protocol	Modbus RTU
Operating Temperature Range	-25°C to +60°C
Relative Humidity	5% RH ~ 95% RH (non-condensing)
Dimensions (H x W x D)	100 mm x 72 mm x 65.5 mm
Mounting Type	DIN35 Rail
Weight (including cables)	1.5 kg
Accessories	RS485 Cable (10 m); 3 CT 100 A / 40 mA (5 m)