1. Easy configuration on the protection functions, flexibly enabled or disabled according to on-site application requirements.

2. Equipped with a large-capacity EEPROM, capable of storing over 100 instances of historical event records, thus preserving data even in the event of power loss.

3. The remote control testing function enables remote signaling point-to-point, telemetry testing, SOE event auto-triggering, etc.

4. The system has fundamental telemetry functions, allowing for the measurement of phase voltage, line voltage, current, active power, reactive power, apparent power, power factor, frequency, and other electrical parameters.

5. The system boasts a 128X64 dot matrix full Chinese display interface. The user interface is user-friendly, and the display content is comprehensive.

6. It has a self-check function that online monitors the working condition of each part of the device, ensuring its reliability.

7. The device offers an RS-485 communication interface and uses an open standard communication protocol.