Features 1、APPLICATION: This surge protector mainly suits for 50Hz (or 60HZ) electrical circuit with an impulse current capacity less than 200kA. 2、SURGE ARRESTER: Can effectively limit the amplitude of transient overvoltage, absorb, consume or discharge the energy of surge current. 3、CIRCUIT PROTECTION: In the case of higher overvoltage category, the protected electrical components can be converted from one overvoltage category to another lower overvoltage category. 4、HOUSEHOLD USE: Ideal for the protection of electrical appliances in households and similar places when there is an induced lightning overvoltage in the line, and when the operating overvoltage occurs. 5、EASY INSTALLATION: Installation method is matched with TH35mm wide rail, and the small size with light weight simplifies the isntallation as well. Specification Item Type: Surge Protective Device Product Model: BEM-LY40 Product Specifications: 2P40KA Maximum Discharge Current: 40KA Nominal Discharge Current: 20KA Response Time: ≤25nS Ambient Temperature: -40℃~+80℃ Altitude: not more than 2000 meters (Approx. 2000m / 6561.7ft). Relative Humidity: Not more than 90% (25℃). Package List 1 x Surge Protective Device