The WLD9300 series protection and measurement control device consists of line protection, transformer protection, capacitor protection, reactor protection, backup power automatic transfer, motor protection, etc. By adopting a high-performance 32-bit CPU, it integrates protection, measurement and control, and communication functions, making it suitable for supporting comprehensive automation systems in substations or electrical automation systems in new energy power plants.

The device can be installed in a cabinet for centralized installation or directly installed on a switchgear for distributed control.