Features Effective Surge Protection: Safeguard your alternating current power system from thunder or overvoltage, ensuring reliable performance and longevity. High Electrical Conductivity: Equipped with an accurate chip and strong conductivity, providing exceptional electrical protection and peace of mind. Enhanced Safety: Flame retardant design improves safety, durability, and performance, ensuring a secure and reliable user experience. Easy Installation: 2P rail mounting design allows for quick and hassle-free installation, compatible with standard 36MM rail mounting and distribution box circuit breakers. Instant Overvoltage Protection: Swiftly opens within nanoseconds to divert surge overvoltage to the earth, protecting your power using devices from potential damage. Specification: Item Type: Surge Protection Device Model: CHLT 40PV Material: PC(Flame retardant) Maximum Continuous Operating Voltage: DC600V Nominal Discharge Current: 20kA (8/20μs) Maximum Discharge Current: 40kA (8/20μs) Voltage Protection Level Up: ≤2.8kV Number of Poles: 2P Protection Level: IP20 Working Temperature: -40℃ - 80℃ Working Humidity: ≤90%(at 25℃ on average) Package List: 1 x 2P Surge Protective Device 1 x Sliding Sheet Note: betweendiv>1. The power supply must be cut off before installation, and operation with electricity is strictly prohibited.between/div>betweendiv>2. When installation, please connect according to the installation diagram, where + is the positive line, ‑ is the negative line, do not misconnect, after installation is complete, close the automatic circuit breaker (fuse) switch, check whether the working state is normal.between/div> Package List 1 x 2P Surge Protective Device 1 x Sliding Sheet