Huawei DTSU666-H Smart Power Sensor 3 phase meter is designed to monitor electrical parameters in photovoltaic installations. It allows you to control and limit the outflow of electricity from the PV installation to the grid, as well as to monitor the level of its self-consumption. Installation of the Meter gives the opportunity to view real-time parameters such as voltage, three-phase current, active and reactive power, frequency, positive energy, reverse energy and much more. All data is presented on an LCD display. Measurements of up to 250 A are realized thanks to current transformers, available in the set. The meter communicates via RS485 interface and is designed for mounting on a TH rail. Full technical data can be found in the manufacturer's datasheet.