The WLD-260K comprehensive protection and control device is suitable for full protection, measurement, and control functions of lines, motors, and transformers at voltage levels of 10KV and below. It can be installed either dispersed in ring network cabinets and switch cabinets on-site or concentrated in a group screen installation. It provides an RS485 communication interface and a set of Ethernet interfaces, allowing it to form an automation system together with other protection and automation devices through communication interfaces.

As of March 2025, more than 30,000 units of this device have been shipped.