Features 【SAFETY】: 20KA and 40KA surge protectors are available, the maximum continuous working voltage is 1000V, the upper limit of voltage level protection is less than or equal to 3.0KV, the modular design, the voltage surge protector can be installed accurately, and it is easy to maintain. 【FUNCTION】: A professionally manufactured DC surge protector, installed at the power supply end of electrical equipment, with fast response, used to protect the power line from lightning strikes and surges, protect household appliances and electronic equipment, etc. 【ACCURACY】: The internal use of precision electronic components, the copper joint of the arrester device has strong conductivity, and the built-in overcurrent, overheating and temperature-controlled short-circuit technologies are used, and the surge protector always maintains stable operation and improves the safety of electricity consumption. 【FLEXIBLE】: Universal structure, with 35mm DIN rail installation, this household voltage surge protector is very easy to connect to the circuit, it only takes a few minutes to complete simple wiring, removable components, easy to plug and unplug, saving time and effort. 【HIGH QUALITY】: The shell is made of PC flame retardant material, the voltage surge protector has a solid structure, high hardness, strong pressure resistance, IP20 protection level, small leakage current, low residual voltage, and visual warning indicates that the module shows the working status. Specification: Rated current: 20KA, 40KA ( Optional ) Max continuous working voltage: 1000V Voltage protection level: 3.0KV Number of poles: 3P Shell material: Fireproof flame retardant material Mounting method: 35mm DIN rail Protection grade: IP20 Weight: Approx. 370g/13.0oz   Package list: 1 * DC Surge Protector Package List