Features Electrical Protection: This surge protector is used to effectively protect electrical systems and household appliances from lightning strikes. PC Shell: The surge arrester shell is made of excellent flame retardant PC material, which is fireproof, safe and reliable. High Performance: The surge protector adopts excellent internal components and precise chip, has quick response and high stability. Rail Installation: With standard modular structure and 35mm rail, the installation is simple, also easy to disassemble. Wide Purpose: The surge arrester device can be widely used in residential, office building and industrial fields, reliable to use. Specification: Item Type: Voltage Surge Arrester Material: Flame Retardant PC Maximum Continuous Working Voltage Uc: 385V AC Nominal Discharge Current In: 40KA Maximum Discharge Current Imaximum: 80kA Voltage Protection Level Up: 2.4kV Poles: 4P Protection Class: IP20 Installation: Approx.35mm/1.4in rail Package List: 1 x Voltage Surge Arrester Package List 1 x Voltage Surge Arrester