Features 1、FLAME RETARDANT PC: The surge protective device shell is made of PC flame retardant material, impact resistance, corrosion resistance, which is safer to use. 2、CIRCUIT PROTECTION: Built in short circuit technology for overcurrent, overheating, and temperature control, with a maximum continuous work voltage of 1000V. 3、WORKING PRINCIPLE: When the system experiences surge overvoltage caused by thunder, the protector quickly opens to introduce the surge overvoltage to the ground. 4、EASY INSTALLATION: The surge protective device is 3P design, standard 35mm guide rail installation, and used together with the circuit breaker of the distribution box. 5、GOOD PERFORMANCE: The DC photovoltaic protector adopts excellent electronic components with good conductivity, ensuring stable performance and efficient operation. Specification Item Type: DC Surge Protector Model: CHLT 40PV Material: PC Nominal Discharge Current In: 20KA Maximum Discharge Current Imax: 40KA Protection Level: IP20 Indication: Green Normal, Red Fault Installation: 35mm Standard Guide Rail Working Temperature: -40℃-80℃ Humidity: ≤90% (at an average of 25℃) Package List 1 x Surge Protector