Function: 1. Protect DC Power System: Surge protector can protect the DC power system from lightning strikes or overvoltage. 2. More Stable Performance: The surge protector has a longer service life and more stable performance, helping you to carry out your work more efficiently. 3. Safer Use: Surge protectors are safer to use, with good quality, excellent performance, and very easy installation. 4. Easy to Use: This is a modular design surge protector, easy to use and maintain. 5. Fast Response: This surge protector can respond quickly when a lightning strike occurs, relieving voltage and protecting your home appliances and your safety. Specification: Item Type: Surge Protector Model: CHLT-20PV Maximum Continuous Operating Voltage: 1000V DC Rated Discharge Current: 10kA (8/20s) Maximum Discharge Current: 20kA (8/20s) 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 Protector 2 x Insert Note: 1. The power must be turned off before installation, and operation under voltage 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 incorrectly. After installation, turn on the circuit breaker (fuse) and check if the working status is normal.