本文件规定了带螺栓连接触点（H型和J型）的熔断器以及熔断器的测试夹具 用于道路车辆。它为这些熔断器类型确定了额定电流、试验程序， 性能要求和尺寸。 本文件适用于额定电压为450 V DC、额定电流为≤400 A 用于道路车辆的破断能力为2000 a。 本文件旨在与ISO 8820-1和ISO 8820-2结合使用。这个 其条款编号与ISO 8820-1一致，ISO 8820-1的要求适用，但 根据本文件的特定要求进行修改。交叉引用:ISO 8820-1ISO 6722-1ISO 8820-2购买时可用的所有现行修订版均包含在本文件的购买中。

This document specifies fuse-links with bolt-in contacts (Type H and J) and test fixtures for the fuse-links for use in road vehicles. It establishes, for these fuse-link types, the rated current, test procedures, performance requirements and dimensions. This document is applicable to fuse-links with a rated voltage of 450 V DC, a current rating of ≤400 A and a breaking capacity of 2 000 A intended for use in road vehicles. This document is intended to be used in conjunction with ISO 8820-1 and with ISO 8820-2. The numbering of its clauses corresponds to that of ISO 8820-1 whose requirements are applicable, except where modified by requirements particular to this document.Cross References:ISO 8820-1ISO 6722-1ISO 8820-2All current amendments available at time of purchase are included with the purchase of this document.