1、Work Mechanism: When the system has a surge overvoltage due to thunder or other reasons, the protector immediately opens quickly within nanoseconds and introduces the surge overvoltage to the earth to provide protection for electrical devices. 2、Insulated Terminal Block: Plug in design, support hot line operation, easy to use. Insulated terminals, reliable and safe, rapid response time, strong load bearing capacity. 3、Indication Window: This surge protection device has a working status indication window, green indicates normal, red indicates fault, can effectively respond to the working status. 4、Easy Installation: This surge protection device is easy to use, very simple to install through the guide rails, just follow the normal ground process can be operated successfully. 5、PC Material: Our surge protection device is made of flame retardant PC material with exquisite craftsmanship, which can prevent fire and corrosion. 1 x Surge Protection Device2 x Accessory Item Type: Surge Protection DeviceModel: SNYE 40Color: Orange RedMaterial: PCMaximum Discharge Current (Imax): 40KANominal Discharge Current (In): 20KAProtection Level (up): 1.8KVVoltage: DC1000VProtection Level: IP20Response Time: ≤25nsMaximum Wire Diameter: 35 hard wire or multi strand wire (mm²)Recommended Wire Connections: 4 to 25mm²Installation: 35mm or 1.4in electrical rail mountingAmbient Temperature: -40℃ to +80℃