Monitoring Huawei Smart Power Sensor DTSU666-H (100A) three phases - 2 years warranty

The Huawei Smart Power Sensor DTSU666-H (100A) is a high-precision three-phase energy meter designed to ensure reliable and dynamic measurement of electrical flows in professional photovoltaic installations. Integrated into the Huawei Smart Energy ecosystem, it enables installers, integrators, and B2B operators to accurately monitor solar production, site consumption, and energy fed into the grid while optimizing self-consumption. Specifically developed for Huawei SUN2000 inverters, this smart meter continuously measures active and reactive power, voltages, currents, and power factors across all three phases. It connects via an RS485 link using the Modbus RTU protocol, ensuring stable, fast, and secure communication with monitoring equipment such as the Smart Dongle or the FusionSolar communication gateway. With class 1 measurement accuracy, the DTSU666-H (100A) provides reliable data for optimized energy management in line with market standards. From a technical perspective, this three-phase Smart Power Sensor supports a voltage range of 3 × 230/400 V – 50 Hz and a nominal current of 100 A per phase via external current transformers. Compact and modular, it is easily DIN-rail mounted, facilitating integration into existing electrical cabinets. Its robust design allows operation under demanding environmental conditions, making it a reliable choice for commercial and industrial installations. Within a complete solar architecture, the Huawei DTSU666-H (100A) plays a key role in active power export regulation and intelligent consumption control. When paired with a SUN2000 hybrid inverter and a Huawei Luna2000 battery, it enables smooth energy management between production, storage, and the grid. Integration into the FusionSolar Cloud platform provides real-time monitoring, detailed reporting, and remote diagnostics, simplifying maintenance and improving overall project profitability. With a 2-year manufacturer warranty, the Huawei Smart Power Sensor DTSU666-H (100A) stands out as an essential monitoring tool for three-phase photovoltaic installations, combining measurement accuracy, reliability, and full compatibility with the Huawei ecosystem to deliver efficient and sustainable energy supervision tailored to the needs of solar professionals.