Features 1、Surge Protector: When a overvoltage surge occurs in the system due to lightening strike or other reasons, the protector immediately opens quickly within nanoseconds, and introduces the overvoltage surge into the ground to protecting the electrical equipment. 2、Reliable Working: With 20kA nominal discharge current In and 40kA maximum discharge current Imaximum to ensure the electrical safety. 3、Safe Protection: The 1000V DC maximum continuous working voltage Uc ensures easier circuit operating as well as higher efficiency. 4、Good Durability: Adopting flame retardant PC materials with modular structure, the voltage arrester is very durable for long use. 5、Easy to Install: Standard 36mm rail mount enables stable work performance in combination with distribution box and circuit breaker. Specification Item Type: Surge Protective Device Model: LT1 40 Material: Flame retardant PC material. Maximum Continuous Working Voltage Uc: 1000V DC Nominal Discharge Current In: 20kA (8/20μs) Maximum Discharge Current Imaximum: 40kA (8/20μs) Voltage Protection Level Up: ≤2.0kV Poles: 3P Installation: 36mm / 1.42in (approx.) rail. Protection Class: IP20 Working Temperature: -40℃~80℃, humidity: ≤90% (average 25℃). Package List 1 x Surge Protective Device