一级电源防雷器 L2 L3 原厂正品 Surge Protective Surge Protective Surge Protective Surge Protective Device Device Device Device 质保五年 终身保修 Uc: 420VAC Uc: 420VAC Uc: 420VAC Uc: 420VAC In: 30KA In: 30KA In: 30KA In: 30KA Imax:60KA Imax:60KA Imax:60KA Imax:60KA Up:≤2.4KV Up:≤2.4KV Up:≤2.4KV Up:≤2.4KV 检测报告/防雷备案证书/工程防雷验收安全放心