Ferraz Shawmut: Circuit Protection Products

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	General Purpose Fuses UL Power Fuses Class RK5 - Time Delay - TR/TRS Back to UL Power Fuses THE INDUSTRY'S MOST POPULAR FUSE FOR MOTOR CIRCUIT PROTECTION. Tri-Onic® SmartSpot® TR fuses now provide a visual open fuse indicator. With advanced material technology added to the existing product line the TR current limiting time delay fuses are engineered for overcurrent protection of motors and transformers, service entrance equipment, feeder and branch circuits. Tri-onic's proven time delay characteristic safely handles harmless starting currents and inrush currents associated with today's motors and transformers. Features Solid-State SmartSpot Indicator Time delay for motor start-ups and transformer inrush currents without nuisance opening Current limiting for low peak let-thru current Rejection-style design prevents replacement errors (when used with recommended fuse block) Applications Motor Circuits Mains Feeders Branch Circuits Transformers Service Entrance Equipment General-purpose Protection UL File Card JDDZ.E2137 (Link to UL website) CSA File Card 1422-02 012636_0_000 (Link to CSA website) Return to product information

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