Item Type: Surge Protective Device Model: CHLT-20PV Maximum Continuous Working Voltage: 1000V DC Nominal Discharge Current: 10kA (8/20s) Maximum Discharge Current: 20kA (8/20s) Voltage Protection Level: 2.4kV Number of Pole: 2P Protection Level: IP20 Working Temperature: -40-80, Humidity: 90% (average at 25) 1Circuit Protection: This surge protector is used to protect the DC power system from thunder or overvoltage. 2DIN Rail Mount: Adopts DIN rail installation method, which is convenient to install and does not take up space. 3Stable Performance: With IP20 protection, more stable performance, help you complete your work more effectively. 4Safe Operation: The maximum continuous working voltage is 1000V DC, the response time is fast, and the operation is safe. 5Wide Applications: Used to provide safety protection for electronic equipment, instrumentation, and communication lines.1. The power supply must be cut off before installation, and live operation is strictly prohibited. 2. Please connect according to the installation diagram, where + is the positive wire and ? is the negative wire. Do not connect it wrongly. After installation, close the automatic circuit breaker (fuse) switch and check whether the working state is normal.1 x Surge Protector 1 x Slide Piece