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. Specification: Item Type: Surge Protective Device Model: LT I12.5 Material: PBT, PA66 Maximum Continuous Working Voltage Uc: 385V AC Nominal Discharge Current In: 12.5kA (10/350μs) Maximum Discharge Current Imax: 25kA (8/20μs) Voltage Protection Level Up: ≤2.2kV Response Time: ≤100ns Number of Poles: 4P Mounting: 35mm guide rail Protection Class: IP20 Working Temperature: -40-80℃. Package List: 1 x Surge Protective Device