KTN-R-8

Technical Data 1043 BUSSMANN Effective May 2016 Supersedes October 2002 SERIES Limitron® fast-acting, RK1 – 250 volt fuses Catalog symbol - KTN-R-(amps) Description: Advanced protection Class RK1 current-limiting, fast-acting fuses. Specifications: Dimensions - in: 2" 0.56" 1/10 A to 30 A 3" 0.81" Ratings •    • • •    Volts: 250 Vac 35 A to 60 A 5.88" 250 Vdc (70-350 A) Amps - 1-600 A 1.06" 70 A to 100 A Interrupting rating: 200 kA Vac RMS Sym. • 100 kA Vdc •    7.13" • Agency Information • UL® Listed, Std. 248-12, Guide JDDZ, File E54273 • CSA® Certified, Class 1422-02, File 53787 • CE 1.56" 110 A to 200 A 8.63" 2.06" 225 A to 400 A 10.38" Features: • Provides 10X better current limitation to help prevent equipment damage caused by short-circuit events • 200 kA interrupting rating complies with NEC® Section 110.9 for today’s large capacity systems • • • 2.59" 450 A to 600 A Catalog numbers KTN-R-1 KTN-R-30 KTN-R-125 Fast-acting fuse helps prevent equipment damage caused by short-circuit events KTN-R-2 KTN-R-35 KTN-R-150 KTN-R-3 KTN-R-40 KTN-R-175 Incorporates Class R rejection feature. Can be inserted in non-rejection type fuse holders to physically and electrically replace Class H, K1, K5, and other fast-acting fuses KTN-R-4 KTN-R-45 KTN-R-200 KTN-R-5 KTN-R-50 KTN-R-225 KTN-R-6 KTN-R-60 KTN-R-250 Ideal for critical industrial or commercial applications that have specific current limitation requirements KTN-R-8 KTN-R-70 KTN-R-300 KTN-R-10 KTN-R-75 KTN-R-350 KTN-R-12 KTN-R-80 KTN-R-400 KTN-R-15 KTN-R-90 KTN-R-450 KTN-R-20 KTN-R-100 KTN-R-500 KTN-R-25 KTN-R-110 KTN-R-600 Technical Data 1043 Limitron® fast-acting fuses 250 volt Effective May 2016 Carton quantity and weight (250 vac)* 5 110–200 1 225–400 1 450–600 1 600A 10 70–100 400A 40–60 200A 10 100A 1–30 60A Carton qty. 30A Amps Time-current curves — average melt Amp rating 300 100 *Contact Eaton’s Bussmann Division for DC ratings. Recommended fuse blocks 0-30 35-60 70-100 1-pole 2-pole 3-pole HM25030-1 HM25030-2 HM25030-3 RM25030-1 RM25030-2 RM25030-3 HM25060-1 HM25060-2 HM25060-3 RM25060-1 RM25060-2 RM25060-3 RM25100-1CR RM25100-2CR RM25100-3CR 110-200 RM25200-1CR RM25200-1CR RM25200-1CR 225-400 RM25400-1CR RM25400-1CR RM25400-1CR 450-600 RM25600-1CR RM25600-1CR RM25600-1CR For additional information on 250 volt blocks, see data sheet No. 10289 (RM250) and (HM250) and product brochure No. 3192 (RM style). 10 Time in seconds Fuse amps 1 Fuse reducers for Class R fuses - 250 V 400 A 600 A NO.263-R NO.213-R 60 A NO.216-R 60 A NO.226-R 100 A NO.2621-R 100 A NO.2641-R 200 A NO.242-R 100 A NO.2661-R 200 A NO.2662-R 400 A NO.2664-R 0.1 0.01 † † Single reducer only (pair not required). For additional information on Class R fuse reducers, see data sheet No. 1118. 2 Eaton.com/bussmannseries RMS symmetrical current in amps 10,000 200 A 30 A 30 A 1000 100 A Catalog symbol (pairs) 100 60 A Desired fuse (case) size 40 Equipment fuse clips Limitron® fast-acting fuses 250 volt Technical Data 1043 Effective May 2016 Current-limitation curves B Amp rating 100,000 600 400 200 100 10,000 60 30 200,000 1000 1000 100,000 A 10,000 Instantaneous peak let-through current in amps 400,000 RMS symmetrical currents in amperes A-B=asymmetrical available peak (2.3 x symm. 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 United States Eaton.com Bussmann Division 114 Old State Road Ellisville, MO 63021 United States Eaton.com/bussmannseries © 2016 Eaton All Rights Reserved Printed in USA Publication No. 1043 – SB02295 May 2016 Eaton, Bussmann and Limitron are valuable trademarks of Eaton in the US and other countries. You are not permitted to use the Eaton trademarks without prior written consent of Eaton. CSA is a registered trademark of the Canadian Standards Group. NEC is a registered trademark of the National Fire Protection Association, Inc. UL is a registered trademark of the Underwriters Laboratories, Inc. For Eaton’s Bussmann series product information, call 1-855-287-7626 or visit: Eaton.com/bussmannseries Follow us on social media to get the latest product and support information. 3