Mersen TR-R Series Series Ferraz Shawmut is Mersen. Mersen TR-R Tri-Onic fuses are engineered for overcurrent protection of motors, transformers, service entrance equipment, feeders and branch-circuits. The time-delay characteristics of the TR-R safely handle harmless starting currents and inrush currents associated with today's motors and transformers. Other Names: TR80, TR 80 Amp, TR-80, TR 80A, TR80A, TR-80A, TR 80, TR 80R, TR-80R Product specifications Ampere 80 A Voltage rating 250 Vac, 250 Vdc Interrupt rating 200 kA Speed Time Delay Class Class RK5 Shape Cartridge Blade Fuses Approvals UL, CSA, RoHS Substitute parts Bussmann FRN-R, Littelfuse FLNR Datasheet Mersen TR-R Datasheet Dimensions 0.06" Dia x 5.88" L (1.52x149.35mm) Item weight 5.6 oz Other names TR80, TR 80 Amp, TR-80, TR 80A, TR80A, TR-80A, TR 80, TR 80R, TR-80R WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.