1) Can measure 1 residual current and 4 temperatures;

2) Can measure electrical parameters such as voltage, current, power, power factor, frequency, etc. in the power grid;

3) Can monitor the total harmonic distortion rate and 2-31 harmonic content rate of the voltage and current of the power grid;

4) Can measure the positive and negative phase active energy and 4-quadrant reactive energy in the power grid;

5) Support demand calculation;

6) Support the temperature, leakage, voltage, current, and power history curve records for the last 30 days;

7) Support daily frozen energy for the last 31 days;

8) Support programming, power on and off, reset, clear, restore factory settings, and modify time;

9) Support residual current, temperature, current overcurrent, undervoltage, overvoltage, phase loss and imbalance protection functions;

10) Support residual current full-wave calculation algorithm. It adopts advanced residual current protection alarm algorithm with high reliability and high stability;

11) Support multiple communication methods: RS485, 4G. It is convenient to upload data to a third-party system or cloud platform;

12) Supports DL/T 634.5104-2009 communication protocol;

13) The device uses open-type CT, supports power-free installation, and shortens construction time and cost in renovation projects.