Features 【Surge Protector】: When a overvoltage surge occurs in the system due to lightening strike or other reasons, the protector immediately opens quickly within nanoseconds, and introduces the overvoltage surge into the ground to protecting the electrical equipment. 【Parameter】: Maximum Continuous Working Voltage Uc: 385V AC, Nominal Discharge Current In: 20kA (8/20μs), Maximum Discharge Current Imax: 40kA (8/20μs), Protection Class: IP20 【Safe Protection】: Surge protective device offers protection for electrical systems and electrical load appliances from lightning strikes and transient overvoltage. 【Good Durability】: Surge arrester is adopting flame retardant PC material with modular structure, this voltage arrester has great durability for long term use. High in accuracy and strong in electrical conductivity. 【Easy to Install】: Standard 36mm rail mount enables the voltage surge arrester quick response, easy installation and simple maintenance as well. Specification: Item Type: Surge Protective Device Model: LTD1-C40 Material: Flame retardant PC. Maximum Continuous Working Voltage Uc: 385V AC Nominal Discharge Current In: 20kA (8/20μs) Maximum Discharge Current Imax: 40kA (8/20μs) Voltage Protection Level Up: ≤1.8kV Response Time: ≤100ns Frequency: 50/60hz Installation: 36MM rail. Protection Class: IP20 Working Temperature: -40℃~80℃ Package List: 1 x Surge Protective Device Package List 1 x Surge Protective Device