Y1056664 - FR14AR69V40T
S1027334 - FR14AR69V50
Z1056665 - FR14AR69V50T
A1056666 - FR14AR69V63T
T1027335 - FR14AR69V63
Protistor® size 14x51 gLB 440VDC
They are extremely high interrupting rating fuses: 440VDC, with large band of ratings (current rating 2 to 50A).