Features 1. Green and red light indicator window: Our 3P surge protector is equipped with a convenient working status indicator window. Green light indicates normal operation, red light indicates malfunction. This feature makes monitoring the performance of your device quick and easy. 2. Easy to install on rails: The household surge protector is made of flame-retardant PC material and exquisite craftsmanship, and is designed to be user-friendly and worry-free to install. Simply follow the rails for a seamless installation process. 3. Plug-in insulated terminals: DC photovoltaic arresters adopt plug-in design and insulated terminals to ensure reliable and safe operation. It supports hot-wire operation and has fast response times, making it ideal for home and commercial lighting applications. 4. Fireproof and corrosion-resistant materials: To ensure maximum safety, our 40KA Low-Voltage Arrester Device is made of fireproof and corrosion-resistant materials. This not only ensures its stability, but also enables it to effectively respond to any changes in working conditions. Be confident in the protection it provides for your electrical equipment. 5. Easy to use: Our low voltage surge arrester devices are designed to provide fast, efficient surge protection and give you peace of mind. When lightning or other factors cause surge overvoltage, this protector will open immediately within nanoseconds, transferring the excess voltage to the earth and protecting your valuable electrical equipment. 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. Package List