UL has announced the release of a new edition of UL 248-7. This standard applies to “low-voltage fuses – Part 7: class H renewable fuses.” UL 248-7 can be purchased on the UL website.
“This Part applies to Class H Renewable fuses rated 600 A or less and either 250 or 600 V ac. DC ratings are optional.”
*Description from the UL website.