1型避雷器BR-25GR 1 + 1

对于电气安装 电子设备 电子线

特点:1型I类电涌保护器。状态指示。·Uc: 385V / 275V。·imp: 25kA / 50kA。·最大放电电流(8/20us): 100kA。·极点数:1+1NPE。·BR-25GR 1+1NPE避雷器适用于TT和TN-S系统。适用范围:·防止中等强度雷击直接击中。·适用于保护电气装置免受直接和间接雷击或开关过程造成的瞬态过电压。·主要用于主配电板，用于房屋、办公室或工业建筑等广泛应用场合，防止直接或间接雷击的影响。 to sub-distribution boards in large buildings. Advantage： · High discharge capacity. · Low let-through voltage. Installation： · Type 1 or Type 1+2 SPD (Iimp ≥ 12.5 kA) compulsory at the installation source (main distribution board in secondary buildings). · Installations more than 10 m high (apartment buildings, office buildings, hotels, etc.): type 2 SPD recommended for protecting private areas and floor distributors (communal areas) in addition to a type 1 or type 1+2 SPDs.