80A High Speed DC Fuse for use in the DC fault loop. This is a spare for the DC Loop armature fuse inside the 590P-DRV at 55A and 70A rating.
The fault loop can occur when fully regenerative four quadrant DC drives are operating in regeneration mode during power failure or significant line disturbance.
Parker SSD part number is CS470469U080
(Cooper Bussman - FWP-80B or Ferraz - A70QS80-4)
Parker SSD were formerley known as Shackleton System Drives, SSD and Eurotherm Drives.