1. Phase voltage 380V/line voltage 220V can be manually switched for display
2. It must be connected to the neutral wire and have a zero protection function
3. Three phase unbalance protection
4. Current imbalance protection
4. Phase sequence protection
5. Phase loss protection
6. Overvoltage, undervoltage, overcurrent, and delay protection
7. Use frequency 40/50/60/70Hz
8. Continuous overcurrent count
Display panel
Reset/startdelay display
Phase sequence errorindication
Indication of continuous over current faults
