Spare 50A High Speed Fuse for Thyristor (semi-conductor) protection in Parker SSD 590P-DRV Drive.
Use this as the DC Loop armature fuse inside the 590P-DRV at 15A and 35A rating.
SSD Part number is CS470445U050 (CS470445-U050).
Supplied as either; Bussmann FWP50A 14Fa or Ferraz Shawmut (Mersen) A70QS50-14F this is Gould part number is A70QS50-14F.
Fitted to Parker Hannifin SSD Drives Division products, previously known as SSD Drives, Eurotherm Drives and Shackleton System Drives - also sold under the Baldor name.