HUAWEI Smart Power Sensor DTSU666-H 250A/50mA

Accurate Energy Monitoring
Tracks critical electrical parameters such as voltage, current, power, frequency, power factor, and active and reactive energy, with comprehensive system monitoring.
Real-Time Data Display
Equipped with an LCD display that displays real-time data, enabling immediate assessment of system performance.
Effective Communication
Equipped with RS485 communication using the Modbus RTU protocol, enabling simple connection with inverters and other monitoring equipment for centralized data collection and analysis.
Compact and Simple Installation
Features a DIN35mm rail mounting architecture, making installation simple in varied applications.
Low Power
Capable of operating at a power consumption level of below 1 W, maintaining energy efficiency in the system.

Huawei Smart Power Sensor DTSU666-H 250A/50mA is a three-phase energy meter utilized to provide precise monitoring and management of electrical parameters in photovoltaic (PV) systems. By providing real-time data on energy consumption and generation, it enables users to optimize system performance and enhance energy efficiency.

Product Features

Bidirectional Energy Measurement: Capable of measuring imported and exported energy precisely, facilitating efficient control of energy flow in grid-connected PV systems.
High Measurement Accuracy: Provides precise measurements with ±0.5% accuracy for voltage and ±1% accuracy for current, power, and energy, ensuring accurate results for performance analysis.
User-Friendly Interface: Offers an integrated LCD display that provides clear visualization of electrical parameters and energy data, enhancing user interaction and system monitoring.
Flexible Communication Settings: Offers adjustable communication addresses and baud rates that enable customization to meet specific system needs.
Durable Construction: Constructed to operate suitably between the temperature range of -25°C to +60°C and 5% to 95% relative humidity in order to retain toughness in conditions of varying weather.

Application Scenarios

Household PV Systems: Ideal for household consumers that want to watch and manage energy usage and output, allowing good decision-making on how to utilize energy for maximized efficiency.
Commercial Buildings: Perfect for commercial properties that need to optimize energy usage, reduce operating costs, and achieve sustainability goals with precise energy monitoring.
Industrial Facilities: Perfect for industrial uses where precision in energy measurement is required to manage enormous quantities of energy consumption and track conformity to energy regulations.

Technical Specifications

Parameter	Value
Power Grid Type	Three-phase (3P4W)
Input Voltage (Phase/N)	176 Vac ~ 288 Vac
Line Voltage	304 Vac ~ 499 Vac
Current Measurement Range	0 ~ 250 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 (W x D x H)	72 x 65.5 x 100 mm
Mounting Type	DIN35 Rail
Weight (including cables)	1.5 kg