Feature: 1. Protect DC Power System: Surge protectors can protect the DC power system from lightning or overvoltage. 2. More Stable Performance: The surge protector has a longer service life and more stable performance, helping you to complete your work more effectively. 3. Safer Use: Surge protectors are safer to use, with good quality, excellent performance and very simple installation. 4. Easy to Use: This is a surge protector with modular design, easy to use and maintain. 5. Quick Response: This surge protector can respond quickly when a lightning strike occurs, unload the voltage, and protect your home appliances and your safety. Specification: Item Type: Voltage Surge Arrester Device Model: CHLT-20PV Maximum Continuous Working Voltage: 1000V DC Nominal Discharge Current: 10kA (8/20μs) Maximum Discharge Current: 20kA (8/20μs) Voltage Protection Level Up: ≤2.4kV Number Of Poles: 3P Protection Level: IP20 Working Temperature: -40℃~80℃, Humidity: ≤90% (Average at 25℃). Package List: 1 x Surge Protection Device2 x Insert Note: 1. The power must be cut off before installation, and live operation is strictly prohibited;2. When installing, please connect according to the installation diagram, where + is the positive wire and ‑ is the negative wire. Do not connect wrongly. After installation, close the automatic circuit breaker (fuse) switch and check whether the working state is normal.