Feature:1. Sensitive Response: When there is a surge overvoltage in the system, the sensitive protector immediately opens quickly within nanoseconds and introduces the surge overvoltage into the earth to ensure the power equipment.2. PC Housing: The PC housing of the surge protector is fire and corrosion resistant, and the plug in design supports hot wire operation for ease of use.3. 3 Phase: In the three phase four wire system, the three phase lines and a neutral wire to ground are connected between the protector.4. Easy Installation: This surge protector is compact and easy to use with rail mounting, effectively protecting electrical equipment.5. Wide Application: This surge protector has a wide range of applications and can be used in homes, offices and other places, and is very easy to install on the rail.Specification:Item Type: Surge ProtectorMaterial: PCInstallation: 35mm electrical trackUc: -420VImax: 20KAIn: 10KAUp: 2.0KVOperating Ambient Temperature: -40-80.Package List:1 x Surge Protector