Low-voltage fuses -- Part 2-1: Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial application) -- Sections I to VI: Examples of types of standardized fuses. (IEC 60269-2-1:2004, modified)
低压熔断器第2-1部分:授权人员使用的熔断器(主要用于工业应用的熔断器)的补充要求第一至第六节:标准化熔断器类型示例 (IEC 60269-2-1-2004 修改)