Features 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 flame‑retardant 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 &lt;25ns. Specification Item Type: Surge Protector Material: PBT, silver alloy Purpose: Photovoltaic power distribution, power distribution cabinet, computer room monitoring, surge protection, thunder protection Response Time: <25ns Test Level: II level Protection Level: IP20 Design Life: 20 years Working Environment: -40℃~+85℃ On-Line Specifications: Phase Line and Neutral Line: 2.5~35 Ground Wire: 4.0~35 Signal Line: 1.5 Installation Method: DIN rail installation Connection Method: Tunnel crimping Installation 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 Protector