Bussman Fusetron FRN R 400 Fuses 400 Amps Class RK5 USA nobo nopl 13077

  For sale is a Bussman Fusetron Type FRN-R-400 Industrial Fuse.  This
  is a 400 amp, dual element, time delay, current limiting, Class RK5
  fuse.  Made in the USA.  Please review the photographs to see various
  views of this fuse.  I have a number of these available.

(Click on the thumbnail images to enlarge)