Features： 1、Main Application: This surge protector is used to efficiently defend AC power systems from lightning strikes or overvoltages. 2、PC Material: Made of PC material, this surge protector is flame retardant, impact resistance, weather resistance, and not easy to deform. 3、Fine Workmanship: This surge protector is well made with an accurate chip that has electrical conductivity and quick response speed. Very reliable tool. 4、Rail Installation: This product adopts standard 36MM rail installation and the installation can be quickly completed. 5、Modular Design: The surge protector adopts a modular design, which is very simple to use and maintain. Specification： Item Type: AC Surge Protector Material: PC Flame Retardant Nominal Discharge Current In: 20kA (8/20μs) Maximum Discharge Current Imax: 40kA (8/20μs) Number of Poles: 2P Installation: 36MM Rail Protection Class: IP20 Working Temperature: -40℃ to 80℃ Working Humidity: Less Than or Equal to 90% (Average 25℃) Package List： 1 x AC Surge Protector