Feature 1 SAFE MATERIAL: T1 level surge protector, with IP20 protection level, the shell is made of flame retardant material, the operation is safer and more reliable. 2 RAIL MOUNTING: The protective device adopts a modular design, standard 35mm rail installation, and is used with the distribution box and circuit breaker. 3 GOOD STABILITY: Using accurate electronic components to ensure that the surge protector has stable performance, completes the work effectively. 4 WORK PRINCIPLE: When a surge overvoltage occurs due to thunder or other reasons, the protector is opens quickly to protect the electrical equipment. 5 COMPACT SIZE: The surge arrester device has a compact size, easy to install and maintain, with good electrical conductivity and strong practicability.Item Type: Surge Protective DeviceModel: LT I12.5Material: PBT, PA66Maximum Continuous Working Voltage Uc: 385V ACNominal Discharge Current In: 12.5kA (10/350s)Maximum Discharge Current Imax: 25kA (8/20s)Voltage Protection Level Up: 2.2kVResponse Time: 100nsNumber of Poles: 4PMounting: 35mm guide railProtection Class: IP20Working Temperature: -40-80 Package List1 x Surge Protective Device