Features 1、Main Purpose: Unload the voltage to prevent the home appliances from being damaged by thunder, and cut off the power when there is electric leakage. 2、Excellent Material: The PC shell is flame retardant to prevent internal components from being burned out, the precise chip ensures better electrical conductivity. 3、Rail Installation: The 4P surge protector is plug in modular design, standard 36MM rail mounting, used in conjunction with the distribution box or circuit breaker. 4、Working Principle: When a surge overvoltage occurs, the protector opens immediately and introduces the surge overvoltage into the ground to protect the equipment. 5、Good Protection: The surge protective device has IP20 protection level, ensuring safe operation, which is very simple to use and maintain, has strong practicability. Specification Item Type: Surge Protective Device Model: CHLT D100 Material: Flame Retardant PC Nominal Discharge Current In: 60kA Maximum Discharge Current Imax: 100kA Number of Poles: 4P Protection Class: IP20 Working Temperature: -40-80℃ Working Humidity: ≤90% (average 25℃) Package List 1 x Surge Protective Device