Monitoring Huawei Smart Power Sensor DTSU666-H 250A/50mA - 2 years warranty

The Huawei Smart Power Sensor DTSU666-H (250A/50mA) is a high-precision three-phase energy meter designed for medium- and large-scale professional photovoltaic installations. Intended for B2B solar installers, integrators, and operators, it provides accurate and continuous measurement of energy flows to optimize the performance and profitability of Huawei Smart Energy systems. Fully compatible with Huawei SUN2000 inverters and the FusionSolar platform, it enables intelligent control and real-time monitoring of installations. This smart three-phase meter simultaneously measures active, reactive, and apparent power on each phase, as well as voltages, currents, and power factors. With its 250A/50mA current transformers, it is suitable for high-capacity installations such as C&I solar plants, industrial sites, or three-phase solar carports. Communication is via RS485 using the Modbus RTU protocol, ensuring fast, stable, and secure data transmission to Huawei inverters or gateways. Technically, the DTSU666-H (250A/50mA) supports a voltage range of 3 × 230/400 V at 50 Hz with class 1 measurement accuracy, meeting professional application standards. Its compact design and DIN-rail mounting simplify integration into electrical panels of commercial or industrial sites. Its robustness and reliability ensure long-term operation even under demanding thermal or electrical conditions. Within a complete photovoltaic system, this Smart Power Sensor plays a strategic role: it allows the Huawei inverter to regulate exported power, optimize self-consumption, and ensure balanced management between production, storage, and the grid. When paired with Huawei Luna2000 batteries and the FusionSolar Cloud monitoring solution, it provides detailed, real-time analysis of energy performance, supporting predictive maintenance and efficiency optimization. Backed by a 2-year manufacturer warranty, the Huawei Smart Power Sensor DTSU666-H (250A/50mA) is an essential monitoring solution for high-power three-phase photovoltaic installations. Its measurement precision, reliable connectivity, and full compatibility with the Huawei Smart Energy ecosystem make it a key tool for ensuring sustainable, high-performance, and professional-grade energy management.