Features 1、OVERVOLTAGE UNDERVOLTAGE PROTECTION: Ensures the safe operation of household appliances. When the voltage is too high or too low, the load side power supply is automatically disconnected to prevent electrical appliances from burning out and ensure electrical safety. 2、AUTOMATIC RESET: When the voltage is too high or too low, the automatic terminal will come to the load side power supply and automatically detect it. The line voltage will automatically close and resume power supply after the line voltage is restored. 3、PC MATERIAL: Made of premium PC material, this protector is fire resistant and high temperature resistant, ensures a long life span. 4、WIDE APPLICATION: Over voltage protector implements automation functions and apply them to large scale production of household electrical products. 5、APPLICABLE SCENARIOS: This over current protector is widely used for home, hotel, apartment, etc. To defend your electrical safety. Specification Item Type: Voltage Current Protector Product Mode: ZYB2 63A Material: PC Rated Voltage: 220V AC Over Voltage: 240-300V (default 270V) Under Voltage: 140-200V (default 170V) Overcurrent: 63A, settable 1-63A (default 40A) Power Start Time: 1 to 300s (default 5s) Recovery Time: 5 to 300s (default 5s) Recovery Delay Time: 30 to 300s (default 30s) Power Consumption: Less than or equal to 2W Mechanical and Electrical Life: 100000 times Package List 1 x Protector 1 x Manual