"BUSSMANN" DUAL-ELEMENT TIME-DELAY FUSE *50 amp *250 volt *Fusetron dual-element time-delay *Current limiting Class RK5fuse *Fuse length: 3" x 13/16" dia. *Typical applications: power panel boards, motor control centers, combination starters, machinery and disconnects *UL listed *Replaces Ace no. 3209061 *Card/2