What do these look like?
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However breakers have a much different personality regarding how they trip where fuses are usually faster acting so one may introduce additional risk of damage via a breaker that requires more time to trip.
Wise words of caution on the fuse/breaker blow rates. There are fast and slow blow fuses/breakers and all other kinds.
I would suggest using airpax type breakers (push reset) if you go that route.
They are available with a very wide range of specs, inexpensive and compact. Finding the right specs is a whole other rabbit-hole...
The Diato fuses I'm sure he's talking about are these little green ones.
They have a spring lever inside pulling tension on the fusible link.
When the link burns, the spring lever is released, flipping over to close the alarm contact.
The alarm contact also shows in the little square window when the fuse is blown.
You can open up those diato-fuse cases with a pin-vise and a small twist-drill, or a razor knife. Just cut the two little "rivets" on the side.
Then, remove the alarm lead from the fuse entirely. Solder in a pair of leads from your airpax breaker and use a hot-punch to re-rivet the fuse-case.
I would just let the breaker dangle if you've insulated all of the metal on it, or zip-tie it to a mounting point on the top-board in the drive.