Item Type: Surge Protector_x000D_ Material: PC_x000D_ Installation: 35mm electrical track_x000D_ Uc: -420V_x000D_ Imax: 20KA_x000D_ In: 10KA_x000D_ Up: 2.0KV_x000D_ Operating Ambient Temperature: -40-80 1Sensitive 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. 2PC 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. 33 Phase: In the three phase four wire system, the three phase lines and a neutral wire to ground are connected between the protector. 4Easy Installation: This surge protector is compact and easy to use with rail mounting, effectively protecting electrical equipment. 5Wide 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.1 x Surge Protector