Effective February 2016 Technical Data1010 Supersedes July 2013 Fusetron FRN-R Class RK5 250Vac, 125/250Vdc 70-600A, dual element, time-delay fuses Catalog numbers (amps) FRN-R-70 FRN-R-125 FRN-R-350 FRN-R-75 FRN-R-150 FRN-R-400 FRN-R-80 FRN-R-175 FRN-R-450 FRN-R-85 FRN-R-200 FRN-R-500 FRN-R-90 FRN-R-225 FRN-R-600 FRN-R-100 FRN-R-250 FRN-R-110 FRN-R-300 Carton Quantity: Amp rating Carton qty. 70 100 5 110 600 1 Catalog symbols: Features: FRN-R- Provides motor overload, ground fault and short-circuit protection Description: Helps protect motors against burnout from Eaton Bussmann series advanced protection, overloads and single-phasing when sized energy efficient FRN-R Class RK5 dual element, properly current-limiting, time-delay fuses. Time-delay 10 Simplifies and improves blackout prevention seconds (minimum) at 500% of rated current. (selective coordination) Dual-element fuses can be applied in circuits Specifications: subject to temporary motor overloads and surge Ratings currents to provide both high performance short-circuit and overload protection Volts The overload element provides protection 250Vac against low level overcurrent of overloads and 125Vdc (110-200A) will hold on inrush current which is five times greater than the amp rating of the fuse for a 250Vdc (225-600A) minimum of ten seconds Amps 70-600A Interrupting rating 200kA Vac RMS Sym. 20kA Vdc Agency information UL Listed, Std. 248-12, Class RK5, Guide JDDZ, File E4273 CSA Certified, C22.2 No. 248.12, Class 1422-02, File 53787 CEFRN-R Class RK5 250Vac, 125/250Vdc Technical Data 1020 70-600A, dual element, time-delay fuses Effective February 2016 Dimensions - in: 5.88 1.06 70 to 100A 7.13 1.56 110 to 200A 8.63 0.09 2.38 0.02 225 to 400A 10.38 0.09 2.88 0.02 450 to 600A Recommended fuse blocks: Fuse amps 1-pole 2-pole 3-pole 70-100 RM25100-1CR RM25100-2CR RM25100-3CR 110-200 RM25200-1CR RM25200-2CR RM25200-3CR 225-400 RM25400-1CR RM25400-2CR RM25400-3CR 450-600 RM25600-1CR RM25600-2CR RM25600-3CR For additional information on the RM 250 volt fuse blocks, see product brochure no. 3192. use reducers for Class R fuses Amp size of fuse block or Fuse size disconnect switch Catalog no. (pairs) 65 to 100A No.2641-R* 400A 110 to 200A No.242-R* 65 to 100A No.2661-R* 110 to 200A 600A No.2662-R* 225 to 400A No.2664-R* * These reducers are not CSA Certified. Single reducer only (pair not required) For additional information on Class R fuse reducers, see data sheet no 1118. 2 Eaton.com/bussmannseries