YCPQA-9901 Power Quality Analyzer is used to long-term or short-term on-line monitor voltage, current and power of the power grids, providing reliable monitoring data for making harmonic pollution reduction approaches for the power grid. 

The LPEP385-3/R/SMA-4 Combined Lightning Protection Junction Box is primarily designed for joint wiring and surge overvoltage protection in power transformer load metering terminals, energy collection terminal boxes, and smart energy acquisition terminals.

The T2 Series AC Surge Protective Device is designed for overvoltage/surge protection in power secondary systems, including distribution cabinets, feeder panels, control/monitoring panels, UPS cabinets.