Fusetron® dual-element, time-delay fuses,FRS-R (600V) Class RK5

Dual-element, time-delay fuse - 10 seconds (minimum) at 500% rated amps. Now available with optional permanent indication on select ratings (see Catalog Numbers table).

Fiberglass tube.

CE, Std. 248-12, Class RK5, UL Listed, Guide JDDZ, File E4273, CSA Certified, Class 1422-02, File 53787.

@ 2:1 selective coordination ratio (within RK5 fuse family)
prevents electrical shutdowns from extending beyond the failed circuit.
@ Insulated end caps for 70-600A fuses reduces exposure to live parts and extends air gap to distance between blades of adjacent mounted fuses or to housing.

@ Power Panelboards
@ Motor Control Centers
@ Combination Starters
@ Machinery Disconnects

@ For superior electrical protection, Cooper Bussmann recommends upgrading FRS-R fuse applications to Low-Peak LPS-RK fuses.
@ For fuse reducers, please reference data sheet 1118.
@ *Available with optional indication. To order, place "ID" at the end of the catalog number. Example: FRS-R-7ID.
@ RK5 Dimensions: basic dimensions are same as Class H(formerly NEC) One-Time (NON & NOS) and Superlag Renewable RES & REN fuses. NOTE: These fuses can be used to replace existing Class H, RK1 and RK5 fuses relating to dimensional compatibility.