Feature:1. The metal rebound buckle is used for easy installation and can be fixed on the guide rail.2. The shell is made of safe flameretardant PBT material, effectively preventing fire hazards.3. The protector can be replaced without power off, maintenance is simple and convenient, the base can be reused, reducing maintenance costs.4. When the power grid is struck by thunder, the protection is realized within nanoseconds, and the voltage is limited to the specified protection level.5. The product's rated voltage is 385VAC, voltage protection level is 2.5kV,and response time is <25ns.Specification:Item Type: Surge ProtectorMaterial: PBT, silver alloyPurpose: Photovoltaic power distribution, power distribution cabinet, computer room monitoring, surge protection, thunder protectionResponse Time: <25nsTest Level: II levelProtection Level: IP20Design Life: 20 yearsWorking Environment: -40~+85On-Line Specifications: Phase Line and Neutral Line: 2.5~35Ground Wire: 4.0~35Signal Line: 1.5Installation Method: DIN rail installationConnection Method: Tunnel crimpingInstallation Instructions: The surge protector is directly connected to any type of air switch in the family, or under the main switch of leakage protection, and the wires are pulled out in parallel and grounded.Impulse Current (Iimp)Rated Current (In) 12.5KA 7.5KA 15KA 7.5KA 25KA 12.5KA 50KA 25KA 80KA 40KA 100KA 50KA 150KA 100KA 200KA 100KA.Package List:1 x Surge ProtectorNote:Reminder: The circuit is dangerous, please install it by a professional electrician