A client of mine sent me a photo of a square fuse holder (CMA-style Fuse Holder). At first, I thought this was one of the Littelfuse 348 series square fuse holders, until he sent me the assembly the fuse holder...
10. Fuseholder Rerating– For 25 ºC ambient temperatures, it is recommended that fuseholders be operated at no more than 60% of the nominal current rating established using the controlled test conditions specified by Underwriters Laboratories. 11. Testing– Verify your selection by requesting sam...