Effective July 2017 Technical Data 1027 Supersedes June 2015 JKS fast-acting Class J fuses, 70 to 600 A Features Provides 10X better current limitation to help prevent equipment damage caused by short- circuit events. 200kA Interrupting rating complies with NEC Section 110.9 for todays large capacity systems. Fast-acting fuse helps prevent equipment damage caused by short-circuit events. Ideal for critical industrial or commercial applications that have specific current limitation requirements. Catalog symbol: Recommended blocks and holders JKS- Fuse amps 1-pole 2-pole 3-pole Description: Modular open blocks 70-100 JM60100-1 JM60100-2 JM60100-3 The Bussmann series advanced protection 110- JM60200-1 JM60200-2 JM60200-3 200 Limitron Class J fast-acting, curent-limiting fuses 225- are available in ratings from 70 to 600 amps. For JM60400-1 JM60400-2 JM60400-3 400 JKS fuses rated up to 60 amps, see data sheet no. 450- JM60600-1 JM60600-2 JM60600-3 1026. 600 Modular power distribution fuse blocks* Ratings 70-100 JM60100-1MW JM60100-2MW JM60100-3MW 110- Volts 600 Vac JM60200-1MW JM60200-2MW JM60200-3MW 200 225- Amps 70-600 A JM60400-1MW JM60400-2MW JM60400-3MW 400 IR 200 kA RMS Sym. 450- JM60600-1MW JM60600-2MW JM60600-3MW 600 Agency information * Combines fuse block and power distribution block into one UL Listed, Std. 248-8, Class J, Guide JDDZ, assembly. Modular construction allows ganging blocks for File E4273 the desired number of poles. CSA Certified, Class 1422-02, File 53787 For more information on the recommended blocks, CE see the following data sheets. Catalog no. (amps) Product Data sheet no. JKS-70 JKS-150 JKS-350 Modular blocks 10488 JKS-80 JKS-175 JKS-400 Modular power distribution blocks 10192 JKS-90 JKS-200 JKS-450 JKS-100 JKS-225 JKS-500 JKS-110 JKS-250 JKS-600 JKS-125 JKS-300 Carton quantity 70-100 A 5 110-600 A 1Technical Data 1027 JKS fast-acting Class J fuses, 70 to 600 A Effective July 2017 Dimensions in Time-currect curves average melt 4.63 3.63 AMP RATING 300 0.75 1.13 2.63 1 0.38 0.28 0.13 100 70 to 100 A 5.75 4.38 1.13 3.0 0.28 1.5 10 0.38 1.38 0.19 110 to 200 A 7.13 5.25 3.38 0.41 1.63 *2 1 0.53 1.88 0.25 225 to 400 A 8.0 6.0 3.75 0.53 2 2.5 0.1 2.13 0.38 0.69 450 to 600 A Class J fuse reducers Equipment fuse clips Desired fuse (case size) Catalog no. (pairs) 100 A 30 A J-13 0.01 60 A J-16 200 A 60 A J-26 100 A J-21 CURRENT IN AMPS 400 A 100 A J-41 200 A J-42 600 A 200 A J-62 400 A J-64 Not for bolt-in applications. 2 Eaton.com/bussmannseries TIME IN SECONDS 40 100 100A 200A 400A 600A 1000 10,000