This standard specifies the characteristics, technical requirements, test and inspection rules, etc. of marine low-voltage fuses and fuse components (fuse base, fuse carrier, fuse link). This standard applies to fuses equipped with enclosed current-limiting fuse links with a rated breaking capacity of not less than 6KA. This fuse is used for circuit protection in the power grid of ships or offshore installations with AC and DC rated voltages not exceeding 1000V.