灯具标准AS/NZS 60598.2.1里面提到的starter里面使用的HRC fuse怎么理解？

The provisions of Section 4 of AS/NZS 60598.1 apply. LED luminaires with G5 and G13 lampholders shall include a fuse to protect a fluorescent lamp that is inadvertently installed:Each fuse shall— (a) be of the 250 V HRC type; (b) have a 0.5 A max. quick-acting type rating; and (c) be used to protect a maximum of two lamps.