1. Real-time display of the three-phase network status: including system voltage, system current, power factor and control parameters, etc.;
2. Automatically identify the polarity of the sampled signal, and there is no need to worry about the polarity of the wiring;
3. It has the function of setting parameter power-off memory, Data will not be lost after power failure;
4. With over-voltage and under-voltage protection functions;

Rated current: AC 0~5A
Rated voltage: AC 220V or 380V
Contact capacity: AC220V/7A or AC380V/3A Current input impedance per branch: ≤0.02Ω
Shell protection class: IP30 Frequency: 50Hz
Sensitivity: 50mA Insulation voltage: 690V