Item Type: PV Surge Protection Device_x000D_ Material: PC flame retardant_x000D_ Maximum Continuous Working Voltage Ucpv: 1000VDC_x000D_ Nominal Discharge Current In: 20kA(8/20s)_x000D_ Maximum Discharge Current Imaximum: 40kA(8/20s)_x000D_ Voltage Protection Level Up: 3.8KV_x000D_ Protection Class: IP20_x000D_ Indicator: Green for normal, red for fault_x000D_ Installation: 35mm Standard rail_x000D_ Working Temperature: -40~80, Humidity: 90%(when average 25)_x000D_ Size(LxWxH): Approx. 82 x 36 x 66mm / 3.23 x 1.42 x 2.6in 1FLAME RETARDANT PC: The shell of DC surge protection device is made of PC flame retardant material, safer to use. Adopt modular design, very simple to use and maintain with good conductivity 2VARIOUS CONTROLS: The surge protection device has built in short circuit technology for overcurrent, overheat and temperature control. The maximum continuous operating voltage of the product is 1000V 3STABLE AND RELIABLE: The surge protective device use accurate electronic components for longer service life and more stable performance to help you complete your work more effectively 4SAFE PROTECTION: When a surge overvoltage occurs in the system due to thunder or other reasons, the protector immediately opens quickly within nanoseconds, and introduces the surge overvoltage into the ground to protect the electrical equipment 5INSTALLATION METHOD: 2P surge protector uses a standard 35mm guide rail for easy installation and used in conjunction with distribution box circuit breaker1 x PVSurgeProtectionDevice