Features 【Premium Material】: The shell of the photovoltaic surge protector is made of PC flame-retardant material, which is fire-resistant and safer to use, minimizing the possibility of accidents. 【High Performance】: The photovoltaic surge protector is made of precision electronic components, with modular design, more stable performance, very simple operation and maintenance, and longer service life. 【Professional Design】: Built-in thermal tripper, temperature-controlled circuit breaker technology. The color of the visual alarm window indicates the working status of the protection, green (normal), red (fault). 【Easy installation】: Model: #1, 10/20KA; #2, 20/40KA (optional); this arrester device adopts 2P guide rail installation, and the standard 36mm guide rail is installed. The installation is very simple, and it is used together with the circuit breaker of the distribution box. 【Application】: The DC surge arrester is suitable for lightning protection of solar photovoltaic power generation systems or other DC power systems, and can be used normally in high altitude areas to protect DC power systems from lightning strikes or overvoltage. Features: 1.The shell of the photovoltaic surge protector is made of PC flame-retardant material, which is fire-resistant and safer to use, minimizing the possibility of accidents. 2.The photovoltaic surge protector is made of precision electronic components, with modular design, more stable performance, very simple operation and maintenance, and longer service life. 3.Built-in thermal tripper, temperature-controlled circuit breaker technology. The color of the visual alarm window indicates the working status of the protection, green (normal), red (fault). 4.This arrester device adopts 2P guide rail installation, and the standard 36mm guide rail is installed. The installation is very simple, and it is used together with the circuit breaker of the distribution box. 5.The DC surge arrester is suitable for lightning protection of solar photovoltaic power generation systems or other DC power systems, and can be used normally in high altitude areas to protect DC power systems from lightning strikes or overvoltage. Specification: Material: PC flame retardant shell Uc: 1000V Type: #1, 10/20kA Nominal discharge current: 10kA(#1), 20kA(#2) Maximum discharge current: 20kA(#1), 40kA(#2) Installation mode: 2P guide rail mounting  Residual voltage after unloading voltage: <3.0KV Rated connectivity and segmentation ability: 1M Product dimension: 90*49*36mm / 3.5*1.9*1.4in Weight: 260g/9.2oz Package List: 1 * DC Photovoltaic Surge Protector Package List