The photovoltaic junction box (photovoltaic busbar kit) is the world's first professional photovoltaic busbar kit dedicated to the development and production of series and parallel built-in photovoltaic anti reflection diodes, including 2B/2T, 3B/3T, 4B/4T, 5B/5T, 6B/6T. It meets the photovoltaic busbar needs of various project installers worldwide, with a protection level of IP67, a high current of ≤ 10A per circuit, a total current of ≤ 25A, and a working environment temperature range of -40 ℃ to+90 ℃. And register product patents.