ESL-311 microcomputer comprehensive protection device is suitable for plant transformers, power supply incoming lines, feeder lines, capacitors, etc. with voltage levels of 10KV and below. The protection device adopts a highly integrated microprocessor and an independent hardware watchdog. The high-performance hardware system ensures that the device has strong data processing capabilities.

At present, microcomputer protection has been widely used in various industries such as power, petrochemicals, metallurgy, steel, building materials, municipal, railway, and civil construction.‍‍