Feature: 1.This surge protector come with flame retardant shell, fire proof, safe to use, very reliable 2.Surge protective device is made with accurate design, anti-corrosion and wear resistance 3.Protector has the characteristic of stable performance, and easy to install. Removable assembly is easy to plug and unplug 4.Quick response when surge occurs, unloading voltage, protecting home appliances and your safety 5.Produce with strict quality inspection process to ensure the quality of each surge protective device Specification: Product Performance: Arrester Nominal Discharge Current In: 20KA Maximum Discharge Current: 40KA Voltage Uc: 1000DC Installation Method: Rail installation Protection Type: IP20 Voltage Level Protection Up: 2.0KV Failure Indication: Green normal/red fault Shell Material: Anti-flame retardant PA66 Working Principle: Surge protector, also called arrester protector, is an electronic device that provides safety protection for various electronic equipment, instruments, and communication lines. When a spike current or voltage is suddenly generated in the electrical circuit or communication circuit due to external interference, the surge protector can conduct and shunt in a very short time, thereby avoiding the surge to other equipment in the circuit. Package List: 1 x Surge Protective Device This surge protector come with flame retardant shell, fire proof, safe to use, very reliable Surge protective device is made with accurate design, anti-corrosion and wear resistance Protector has the characteristic of stable performance, and easy to install. Removable assembly is easy to plug and unplug Quick response when surge occurs, unloading voltage, protecting home appliances and your safety Produce with strict quality inspection process to ensure the quality of each surge protective device