Features 1、FLAME RETARDANT MATERIAL: 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 2、MULTIPLE 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 3、STABLE AND DURABLE: The surge protective device uses accurate electronic components for longer service life and more stable performance to help you complete your work more effectively 4、PROTECT SAFETY: 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 5、INSTALLATION METHOD: 3P surge protector uses a standard 35mm guide rail for easy installation and used in conjunction with distribution box circuit breaker Specification Item Type: DC Surge Protection Device Material: PC Nominal Discharge Current In: 10kA Maximum Discharge Current Imaximum: 20kA Protection Class: IP20 Indicator: Green for normal, red for fault Installation: Approx. 35mm / 1.38in standard rail Working Temperature: -40℃~80℃, Humidity: ≤90%(average 25℃) Package List 1 x DC Surge Protection Device