Bussmann FRN-R-20 Dual Element Time-Delay Fuse is a dual-element time-delay device designed to protect electrical circuits from overcurrent while tolerating brief current surges.
The time-delay designation indicates slow-acting operation to prevent nuisance trips on startup or peak loads.
This model is identified by the FRN-R-20 variant within the Bussmann FRN-R fuse family.
