Features 【PARAMETERS】: Response time: ≤25ns, rated voltage: 420V, maximum discharge current: 40KA, UP: ≤1.8kv, modular design, voltage surge protector can be installed quickly and accurately. 【FUNCTION】: A professionally manufactured voltage arrester, suitable for C-level and D-level lightning protection, used for equipotential connection when lightning strikes, quick response when lightning strikes, unloading voltage, and protecting the safety of home appliances. 【ACCURACY】: The interior is made of precision electronic components, the voltage arrester device responds quickly, the copper connector has strong conductivity, the surge protector always maintains stable operation, and improves the safety of electricity consumption. 【FLEXIBLE】: Universal structure, 2P rail installation, simple operation of the house voltage surge protector, used in conjunction with the circuit breaker in the distribution box, detachable components, easy to plug and unplug, saving time and effort. 【HIGH QUALITY】: The shell is made of PC flame retardant material, the shell is fireproof, the voltage arrester device has a solid structure, high hardness, strong pressure resistance, more stable performance, and efficient completion of different project requirements. Specification: Material:PC Flame retardant material Number of poles: 3P Response time: ≤25ns Rated voltage: 420VMaximum discharge current: 40KA Up: ≤1.8kv Weight: Approx.359g/12.7oz   Package list: 1 x House Surge Protector Package List