Features FIRE RESISTANT & DURABLE - This is a great surge protector, fire and corrosion resistant. Plug in the design, support direct line operation, easy to use. Safe and fast: surge protection to prevent the family power grid from being affected by a large impact, insulated terminals, more reliable, safer, possess fast response, high bearing capacity. Protect safety: When a surge surge occurs in the system due to thunder or other reasons, the protector immediately opens quickly within a few nanoseconds and introduces the surge surge into the ground to protect the electrical equipment. Clear indication: working status indicator window, green indicates normal, red indicates fault, can effectively reflect the working status. Easy to Install The surge protection device has excellent performance, safer to use, rail installation is very simple. Specification: Item Type: Surge Protection Device Colour: orange-red Material: PC. Maximum discharge current (Imaximum): 60KA Nominal discharge current (In): 30KA Protection Level (High): 2.0KV Voltage: 1000V DC. Protection level: IP20. Response time: ≤25ns Maximum wire diameter: 35 Hard wire or multi-strand wire (mm²) Suggested connection: 4-25(mm²) Installation: 35mm electric guide rail installation Ambient temperature: -40℃~+80℃ Package list: 1 x Surge Protection Device 1 x accessory. or 1 x Surge Protection Device 2 accessories Package List 1 x Surge Protective Device 2 x Accessories