1、Main Application: This surge protector is mainly used to defend electrical systems and appliances from transient lightning and surge loads. 2、Visual Window: Green is normal, red is fault. This protector possesses visual alarm window, which can effectively show real time working conditions for you. 3、PC Material: The shell of the surge protector is made of PC material, which is flame retardant and corrosion resistant, it can effectively defend the protector. 4、Easy Using: This surge protector adopts plug in design, supports hotline operation, which is easy to use. And insulated terminal blocks are adopted for more reliable and safer performance. 5、Easy Installation: Adopts standard rail installation, the easy installation can be quickly completed in few steps. Item Type: Surge Protector Color: White Material: PC Maximum Discharge Current (Imaximum): 200KA Nominal Discharge Current (In): 100KA Protection Level (up): 3.0KV Protection Grade: IP20 Response Time: Less Than or Equal to 25ns Maximum Wire Diameter: 35 Hard Wire or Stranded Wire (mm ²) Recommended Connection: 4 to 25 (mm ²) Installation Method: Approx. 35mm / 1.38in Electrical Guide Rail Installation Ambient Temperature: - 40 ℃ to +80 ℃ Main Structure and Working Principle: 1 x Surge Protector