1The protector has over voltage protection, under voltage protection and other functions 2The main feature is that the line has overvoltage or undervoltage, overcurrent condition, the product can cut off the power supply instantaneously, protect the electrical equipment from damage; when the line voltage returns to normal, the protector can a 3It is mainly used for the protection of over-voltage, under-voltage or over-current in the distribution line of residential household box or the protection of single-phase power equipment. 4Suitable for single-phase AC voltage 230V, 50/60Hz, rated working current 63A and below users or loads 5Low power consumption and long mechanical life