Features FLAME-RETARDANT SHELL: Arrester device has a flame-retardant shell. Our product shell is fire-resistant, which can effectively protect the safety of electricity in the thunder and fulmination environment. REMOVABLE PARTS: The low-voltage arrester device has detachable parts and is easy to plug and unplug, so the device of this product is very EASY to USE: The Nofaner surge protective device is installed with a guide rail, only simple operation is required when installing the protector, which can meet the basic needs of users. STABLE PERFORMANCE: House arrester device adopts professional design and precise electronic components, stable performance, safe and reliable use, sturdy and durable, and long service life. APPLICATION: The arrester device has high sensitivity and fast response, which can protect the electric system and on-loading electrical instrument from thunder and instantaneous over-voltage. Features:Application: Protect electric system and on-loading electrical apparatus from thunder and instantaneous over-voltageFlame retardant shell, fire proof, safe to use It has the characteristic of stable performance, and easy to install Removable assembly, easy to plug and unplugGuide rail installation, simple operation Specification:Material:PC Flame retardant materialNumber of poles: 2PResponse time: ≤25nsRated voltage: DC1000VMaximum discharge current: 40KAUp: ≤3.0kvWeight: Approx.254g/9oz  Package list:1 x House Surge Protector Package List