美利体育登录入口官网:DANSK DS/HD 60364-4-443:2016
低压电气装置 第4-44部分:安全保护 电压干扰和电磁干扰保护 第 443 条:大气源或开关引起的瞬态过电压保护
Low-voltage electrical installations - Part 4-44: Protection for safety - Protection against voltage disturbances and electromagnetic disturbances - Clause 443: Protection against transient overvoltages of atmospheric origin or due to switching