4A 250V Fast Blow 3AG Fuse (5 Piece Package) 3-AG glass body cartridge fuse size 1/4 x 1 1/4 6.35mm x 32mm AGC. 4 amp 250v / 125v volt fast blow fuse. Very commonly used on pinballs and arcades, and many other of the cabinet fuse holders including the Sanyo monitors at F302. Used on many arcade games and pinball machines and probably the most popular size of fuse used. For every quantity of 1 added to your cart you will receive 5 fuses.