1. It is suitable for C and D level protection, it is used for the equipotential connection when strikes, quick response when 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: Features: It is suitable for C and D level protection, it is used for the equipotential connection when strikes, quick response when occurs, unloading voltage, protecting home appliances and your safety. Flame retardant shell, fire proof, safe to use It has the characteristic of stable performance, and easy to install Removable assembly, easy to plug and unplug Guide rail installation, simple operation Specification: Material:PC Flame retardant material Number of poles: 4P Response time: =25ns Rated voltage: 420V Maximum discharge current: 20KA Up: =1.5kv Wiring method: three-phase four-wire Weight: Approx.200g/7.1oz Package list: 1 x House Protector See moreIt is suitable for C and D level protection, it is used for the equipotential connection when strikes, quick response when occurs, unloading voltage, protecting home appliances and your safety. Removable assembly, easy to plug and unplug. Guide rail installation, simple operation. Flame retardant shell, fire proof, safe to use. It has the characteristic of stable performance, and easy to install.