Fuse holders look like they are Keystone mini-ATO type [www.digikey.co.uk]
I came to the conclusion that the RAMPS 1N4004 D1 is ineffective, the surge rating is only for a few ms, whereas it takes a lot longer for a PTC or fuse to trip.
I came to the conclusion that the RAMPS 1N4004 D1 is ineffective, the surge rating is only for a few ms, whereas it takes a lot longer for a PTC or fuse to trip.