Mainly used for the protection of over-voltage, under-voltage or over-current in the incoming line of residential household box or the distribution line which needs to protect single-phase electrical equipment. Its main feature is that the line appears overvoltage or undervoltage, overcurrent status, the product can instantly cut off the power supply, protect the electrical equipment from damage; when the line voltage returns to normal, the protector can automatically and normally turn on the power supply.

Features:
1. Overvoltage protection 
2. Undervoltage protection 
3. Voltage display (voltage measurement) 
4. Overvoltage protection value adjustable 
5. Overvoltage recovery value adjustable 
6. Overvoltage protection operation time adjustable 
7. Undervoltage protection value adjustable 
8. Undervoltage recovery value adjustable 
9. Undervoltage protection operation time adjustable 
10. Fault recovery delay time adjustable 
11. Up-power adjustable,Delay time 
12. Reset mode selection 
13. Fault query 
14. Restore factory settings

Specifications:
Parameters: Voltage 230V, 50/60Hz
Current:40A/63A
Size: 85mm*65mm*35mm/3.35*2.56*1.38"
Functions: 
1. Overvoltage Protection 
2. Undervoltage Protection 
3. Automatic Recovery