3-phase Smart Power Sensor HUAWEI DTSU666-HW with Wi‑Fi connectivity for power and energy measurement

HUAWEI DTSU666-HW is a 3-phase smart power sensor designed for accurate measurement of electrical power and energy in industrial and commercial installations. The device measures voltage, current, active and reactive power, power factor and energy consumption across three phases and provides Wi‑Fi connectivity for remote data access and integration with building management and energy monitoring systems. Compact and suited to DIN-rail mounting, the sensor supports continuous monitoring for consumption tracking and anomaly detection while enabling data export for energy management and billing workflows.

Advantages

The sensor delivers precise three-phase measurement with error margins suitable for operational monitoring and energy accounting. Built-in Wi‑Fi connectivity enables remote access to live and historical data without additional wiring, simplifying installation in retrofit and new-build scenarios. The device offers stable performance under typical commercial electrical conditions and integrates with monitoring platforms through standard communication protocols. Its compact form factor and DIN-rail compatibility facilitate mounting in distribution panels and electrical cabinets.

Suitable for

• Energy monitoring and reporting in commercial buildings
• Power consumption tracking in industrial facilities
• Integration with building management systems and energy platforms
• Remote metering and billing workflows
• Anomaly detection and preventive maintenance programs

Key specifications

• Measurement: three-phase voltage and current, active and reactive power, apparent power, power factor, and cumulative energy
• Connectivity: Wi‑Fi for remote data access and integration
• Installation: compact module suitable for DIN-rail mounting in distribution panels
• Accuracy: designed for precise operational monitoring and energy accounting (industrial/commercial grade)
• Data access: real-time monitoring and historical data export for energy management
• Operating environment: typical commercial and light industrial electrical conditions

How to use

Install the device on a DIN-rail inside an appropriate electrical cabinet and connect the three-phase voltage and current inputs according to the wiring guidelines supplied by the manufacturer. Configure Wi‑Fi parameters using the local interface or setup application to enable network access. After connectivity is established, integrate the sensor with the chosen monitoring or building management platform using supported communication methods. Use the platform to visualise live values, configure data logging intervals, and export reports for energy accounting or billing.

Recommendations

Place the sensor in a protected indoor environment away from direct moisture and excessive heat. Ensure correct phase identification and secure current input connections to maintain measurement accuracy. For integration with third-party systems, verify compatibility with your monitoring platform and apply appropriate network security settings when enabling Wi‑Fi access.