Features Material: The lightning arrester shell is made of high quality material, with stable structure, excellent performance and long service life. The anti-crack design prevents the fasteners from cracking and makes wiring simple and easy. With excellent internal components, especially the precision chip Specifications: The lightning arrester is 20 kA rated discharge current in and 40 kA maximum discharge current Imax. The maximum continuous working voltage Uc of 500V DC ensures more stable circuit operation Fast Response: This surge protector can quickly respond to lightning strikes and unload the voltage to protect your home appliances and your safety Install: The circuit connection is very simple, it only takes a few minutes to complete the simple wiring, easy to use and maintain Circuit Protection: The surge protector perfectly protects the electrical system from lightning strikes or overvoltages. It is suitable for providing safety protection for electronic equipment, instrumentation and communication lines Specification: Item type: surge protection device Model: CHLT-40PV Maximum continuous working voltage Uc: 500 V DC. Rated discharge current In: 20 kA (8/20 μs). Maximum discharge current Imax: 40 kA (8/20 μs). Voltage protection level increased: ≤2.8 kV. Number of poles: 2P Protection level: IP20. Working temperature: -40℃~80℃, Humidity: ≤90% (average at 25℃). Package list: 1 x surge protection device, 1 x underlay Note:1. The power supply must be interrupted before installation, and work on the hotline is strictly prohibited; 2. When installing, please connect according to the installation diagram, where + is the plus cable and - the negative cable. Do not connect it incorrectly. After installation, close the automatic circuit breaker (fuse switch) and check whether the operating condition is normal. Package List 1 x Surge Protective Device 1 x Slip Sheet