FUSETRON 250V Class RK5 FRN-R 250Vac/125Vdc, 70-600A, Dual Element, Time-Delay Fuses Dimensions - in 8.63 0.094 5.88 1.06 2.38 0.020 70 to 100A 225 to 400A 10.38 0.094 7.13 1.56 2.88 0.020 110 to 200A 450 to 600A Description: Advanced protection, energy efficient Class RK5 Features: Provides motor overload, ground fault and short-circuit dual element, current-limiting, time-delay fuses. Time-delay protection 10 seconds (minimum) at 500% of rated current. Helps protect motors against burnout from overloads and Catalog Symbol: FRS-R-(amp) single-phasing when sized properly Simplifies and improves blackout prevention Ratings: (selective coordination) Volts 250Vac Dual-element fuses can be applied in circuits subject to 125Vdc (110-200A) temporary motor overloads and surge currents to provide both high performance short-circuit and overload 250Vdc (225-600A) protection Amps 70-600A The overload element provides protection against low level IR 200kA Vac RMS Sym. overcurrent of overloads and will hold on inrush current which is five times greater than the amp rating of the fuse 20kA Vdc for a minimum of ten seconds Agency Information: Recommended Fuse Blocks CE, UL Listed, Std. 248-12, Class RK5, Guide JDDZ, Fuse Amps 1-Pole 2-Pole 3-Pole File E4273 70-100 RM25100-1CR RM25100-2CR RM25100-3CR CSA Certified, C22.2 No. 248.12, Class 1422-02, File 53787 110-200 RM25200-1CR RM25200-2CR RM25200-3CR 225-400 RM25400-1CR RM25400-2CR RM25400-3CR Catalog Numbers (amps) 450-600 RM25600-1CR RM25600-2CR RM25600-3CR FRN-R-70 FRN-R-125 FRN-R-350 For additional information on the RM Series of 250 volt fuse FRN-R-75 FRN-R-150 FRN-R-400 FRN-R-80 FRN-R-175 FRN-R-450 blocks, see product brochure 3192. FRN-R-85 FRN-R-200 FRN-R-500 Fuse Reducers For Class R Fuses FRN-R-90 FRN-R-225 FRN-R-600 Equipment Desired Fuse Catalog Numbers FRN-R-100 FRN-R-250 Fuse Clips (Case) Size (Pairs) 250V FRN-R-110 FRN-R-300 200A 100A NO.2621-R Carton Quantity and Weight 100A NO.2641-R 400A Amp Rating Carton Qty. 200A NO.642-R 70100 5 100A NO.2661-R 101200 1 600A 200A NO.2662-R 201400 1 400A NO.2664-R 401600 1 Single reducer only (pair not required). For additional information on Class R fuse reducers, see Data Sheet 1118. 0713 BU-SB13731 Page 1 of 3 Data Sheet 1020FUSETRON Class RK5 FRN-R 250Vac/125Vdc, 70-600A, Dual Element, Time-Delay Fuses Time-Current Curves - Average Melt AMP RATING CURRENT IN AMPS 0713 BU-SB13731 Page 2 of 3 Data Sheet 1020 TIME IN SECONDS 60 100 200 400 600