Features Circuit defence: Built-in overcurrent, overheating, temperature control, and short circuit defence to ensure safe and protect your photovoltaic power system from electrical s. Easy Installation: Module design with 35mm standard guide rails mounting for effortless installation and replacement, saving you time and effort during setup and maintenance. Good Performance: IP20 defence level, small leakage current, quick response, and low remaining voltage for reliable and efficient defence for your photovoltaic power system. Visible Window: Viewing window with color indication for clear and intuitive visibility of the protector's working state, along with a gap discharge electrode for enhanced safety. PC Material: Fireproof and flame-retardant PC material shell for stability, reliability, and safe use, providing peace of mind for your photovoltaic power system. Features: 1、CIRCUIT defence: DC protector with built in overcurrent, overheating, temperature control and short circuit defence to ensure safe . 2、EASY INSTALLATION: The protector is a module design, adopts 35mm standard guide rails mounting, which is easy to install and replace. 3、GOOD PERFORMANCE: With IP20 defence level, the protective device has small leakage current, quick response and low remaining voltage. 4、VISIBLE WINDOW: The color of the viewing window indicates the working state of the protector, clear and intuitive, with gap discharge electrode. 5、PC MATERIAL: The shell of the protector is made of PC material, which is fireproof and flame retardant, stable and reliable, ensuring safe use. Specification: Item Type: DC Protector Model: SGSP 40 Uc: 1000VDC In: 20KA(8/20μs) Inmax: 40KA(8/20μs) Up: ≤3.8KV Shell Material: Fireproof and high flame retardant PC Installation: 35 standard guide rail defence Grade: IP20 Package List: 1 x Protector Package List 1 x Surge Protector