EATON BUSSMANN JKS-4

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 today’s 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 1 Technical 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 Technical Data 1027 JKS fast-acting Class J fuses, 70 to 600 A Effective July 2017 Current-limitation curves Current-limiting effects B 400,000 Prosp. Let-through current S.C.C. (apparent RMS Sym. vs. fuse rating) 300,000 — 100 A 200 A 400 A 600 A 200,000 5000 2000 3000 4000 5000 10,000 3000 4000 6000 9000 100,000 15,000 3000 4000 7000 10,000 80,000 20,000 3000 5000 8000 11,000 60,000 600 25,000 3000 6000 9000 12,000 50,000 40,000 30,000 3000 6000 9000 13,000 400 30,000 35,000 4000 6000 9000 13,000 200 40,000 4000 7000 10,000 14,000 20,000 50,000 4000 7000 10,000 15,000 100 60,000 5000 7000 11,000 16,000 10,000 70,000 5000 8000 11,000 17,000 8000 80,000 5000 8000 12,000 17,000 6000 5000 90,000 6000 9000 13,000 18,000 4000 100,000 6000 9000 13,000 18,000 3000 150,000 6000 9000 14,000 22,000 A 2000 200,000 7000 10,000 16,000 24,000 1000 RMS SYMMETRICAL CURRENT IN AMPS A-B = ASYMMETRICAL AVAILABLE PEAK (2.3 X SYM RMS AMPS) The only controlled copy of this data sheet is the electronic read-only version located on the Eaton network drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. Eaton 1000 Eaton Boulevard Cleveland, OH 44122 Eaton.com Eaton, Bussmann and Limitron are valuable Bussmann Division trademarks of Eaton in the U.S. and other 114 Old State Road countries. You are not permitted to use Ellisville, MO 63021 the Eaton trademarks without prior written United States consent of Eaton. Eaton.com/bussmannseries CSA is a registered trademark of the Canadian © 2017 Eaton Standards Group. Follow us on social media to get the All Rights Reserved NEC is a registered trademark of the National latest product and support information. Printed in USA Fire Protection Association. Publication No. 1027 — BU-SB13736 UL is a registered trademark of the July 2017 Underwriters Laboratories, Inc. Eaton.com/bussmannseries INSTANTANEOUS PEAK-LET-THROUGH CURRENT IN AMPS 1000 2000 3000 4000 5000 6000 8000 10,000 20,000 30,000 40,000 50,000 60,000 80,000 100,000 200,000 AMP RATING