Fanuc A60L-0001-0147 Fuse. This particular Fanuc fuse is a 50 amp clear up fuse for Fanuc AC spindle amplifiers and GE Fanuc Alpha spindle power modules SPM. Normally fitted in manufacturers parts from the following: Fanuc, Fuji, GE Fanuc, Hitachi Seiki, Mori, Okuma and many other CNC manufacturer drive systems.
The fuse chosen by Fanuc for the job of clearup on each of the three phases was a Kyosan 50 amp FH series; though you will also see Hinode and Fuji versions; all of which are known by its Fanuc parts number of A60L00010147. This particular Kyosan fuse is a small series metal fuse with a rating of 50A 250V.