KTK-25
Buss KTK-25 Bussmann Fuse Cross Ref 4XC45 (Pack of 6)
A nice touch with Super Lube Multi-Purpose Synthetic Grease is the compact size for toolboxes.
LOT OF 5 NEW BUSSMANN KTK-25 LIMITRON FUSE 25A 600VAC
You will find that the Honeywell INNCOM E528 model is easy to troubleshoot.