GY101The Microcomputer Monitor and Protection Device for Motors is a crystallization of accumulated experience in the development and production of motor protection devices and microcomputer protection devices, based on modern high-tech advancements. The intelligent motor monitoring and protection device produced using imported integrated circuits, intellectual property patents, and software copyrights features advanced fieldbus interfaces. It employs microprocessors for motor protection and control, and supports feeder protection, completing operations such as motor operation, self-diagnosis, and communication with higher-level machines. It provides measurement protection for motors, avoiding production accidents caused by faults such as motor overload, stalling, overvoltage, undervoltage, light load, phase failure, three-phase imbalance, and grounding, thereby greatly ensuring the effective safety of equipment operation.