Features 1、[Surge Protection] When a surge overvoltage occurs in the system, the protector is turned on immediately, and the surge overvoltage is introduced into the ground to ensure the electrical equipment. 2、[Modular Design] The protector adopts a modular design, which is very simple to use and maintain, and has good electrical conductivity. 3、[PC Flame Retardant Shell] The protector shell is made of PC insulating flame retardant material, which is dust proof and waterproof, making it safer to use. 4、[Stable Performance] The inside of the protector adopts accuracy electronic components, which has more stable performance and helps you to complete the work more efficiently. 5、[Easy Installation] The protector adopts 3P guide rail installation, the installation is very simple, and it can be used with the circuit breaker of the distribution box. Specification Item Type: PV DC Surge Protector Material: Flame retardant PC Nominal Discharge Current In: 10kA (8/20μs) Maximum Discharge Current Imax: 20kA (8/20μs) Number of Poles: 3P Installation: Approx. 36mm / 1.4in rail Protection Class: IP20 Working Temperature: -40℃-80℃ Humidity: ≤90% (average 25℃) Package List 1 x PV DC Surge Protector