1、Flame retardant shell, fire proof, safe to use 2、Precise design, anti-corrosion and wear resistance 3、It has the characteristic of stable performance, and easy to install 4、Quick response when lightning occurs, unloading voltage, protecting home appliances and your safety 5、Strict quality inspection process to ensure the quality of each product Feature: Flame retardant shell, fire proof, safe to use. Precise design, anti-corrosion and wear resistance. It has the characteristic of stable performance, and easy to install. Removable assembly, easy to plug and unplug. Quick response when lightning occurs, unloading voltage, protecting home appliances and your safety. Strict quality inspection process to ensure the quality of each product. Specification: Condition: Brand New Optional Size: 3p20ka, 3p40ka Product performance: arrester Nominal discharge current 20KA Maximum discharge current: 40KA Voltage: 1000V DC (both 500V 800V) Installation method: rail mounting protection type: IP20 Voltage level protection up: 3.0KA Failure indication: green normal / red fault Housing material: flame retardant PA66 Color: As Picture Show Package Weight: Approx 380g Package List: 1 * House Surge Protector Note: 1. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.