Features Safety in Use: The shell of the voltage arrester device is made of flame retardant material, which is safer to use, has good quality and excellent performance, and is worthy of your choice. Applicable to: Suitable for C-level and D-level lightning protection, for equipotential bonding during lightning strikes, quick response during strikes, unloading voltage, protecting home appliances and your safety. Stable Performance: The voltage arrester unit is made of precision electronic components, which has a longer service life and more stable performance, helping you to complete your work more efficiently. Good Conductivity: The voltage arrester device is made of high-quality materials, with good conductivity, and adopts a modular design, which is very simple to use and maintain. Simple Installation: The voltage arrester device adopts rail installation, and the installation is very simple. Used in conjunction with the circuit breaker of the distribution box, the components are detachable and easy to plug and unplug. Features: 1.It is suitable for C and D level lightning protection, it is used for the equipotential connection when lightning strikes, quick response when lightning occurs, unloading voltage, protecting home appliances and your safety. 2.Flame retardant shell, fire proof, safe to use 3.It has the characteristic of stable performance, and easy to install 4.Removable assembly, easy to plug and unplug 5.Guide rail installation, simple operation Specification: Material:PC Flame retardant material Number of poles: 2P Response time: ≤25ns Rated voltage: 420V Maximum discharge current: 20KA Up: ≤1.5kv Weight: Approx.227g/8oz Package list: 1 x House Surge Protector Package List