EATON BUSSMANN KTN-R-45

BUSSMANN Effective May 2016 Technical Data 1043 Supersedes October 2002 SERIES Limitron® fast-acting, RK1 – 250 volt fuses Catalog symbol - KTN-R-(amps) Dimensions - in: Description: 2" Advanced protection Class RK1 current-limiting, 0.56" fast-acting fuses. 1/10 A to 30 A Specifications: 3" 0.81" Ratings 35 A to 60 A •    Volts: •  250 Vac 5.88" •  250 Vdc (70-350 A) 1.06" •    Amps - 1-600 A 70 A to 100 A •    Interrupting rating: 7.13" •  200 kA Vac RMS Sym. •  100 kA Vdc 1.56" 110 A to 200 A Agency Information ® •  UL Listed, Std. 248-12, Guide JDDZ, 8.63" File E54273 ® 2.06" •  CSA Certified, Class 1422-02, File 53787 •  225 A to 400 A CE 10.38" Features: •  Provides 10X better current limitation to help 2.59" prevent equipment damage caused by 450 A to 600 A short-circuit events •  200 kA interrupting rating complies with ® Catalog numbers NEC Section 110.9 for today’s large capacity systems KTN-R-1 KTN-R-30 KTN-R-125 KTN-R-2 KTN-R-35 KTN-R-150 •  Fast-acting fuse helps prevent equipment damage caused by short-circuit events KTN-R-3 KTN-R-40 KTN-R-175 KTN-R-4 KTN-R-45 KTN-R-200 •  Incorporates Class R rejection feature. Can be inserted in non-rejection type fuse holders KTN-R-5 KTN-R-50 KTN-R-225 to physically and electrically replace Class H, KTN-R-6 KTN-R-60 KTN-R-250 K1, K5, and other fast-acting fuses KTN-R-8 KTN-R-70 KTN-R-300 •  Ideal for critical industrial or commercial KTN-R-10 KTN-R-75 KTN-R-350 applications that have specific current KTN-R-12 KTN-R-80 KTN-R-400 limitation requirements 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 Time-current curves — average melt Carton quantity and weight (250 vac)* Amp Carton rating Amps qty. 300 1–30 10 40–60 10 70–100 5 100 110–200 1 225–400 1 450–600 1 *Contact Eaton’s Bussmann Division for DC ratings. Recommended fuse blocks Fuse amps 1-pole 2-pole 3-pole HM25030-1 HM25030-2 HM25030-3 10 0-30 RM25030-1 RM25030-2 RM25030-3 HM25060-1 HM25060-2 HM25060-3 35-60 RM25060-1 RM25060-2 RM25060-3 70-100 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 1 For additional information on 250 volt blocks, see data sheet No. 10289 (RM250) and (HM250) and product brochure No. 3192 (RM style). Fuse reducers for Class R fuses - 250 V Equipment Desired fuse Catalog symbol fuse clips (case) size (pairs) 60 A 30 A NO.263-R 0.1 30 A NO.213-R 100 A 60 A NO.216-R 60 A NO.226-R 200 A 100 A NO.2621-R 100 A NO.2641-R 400 A 200 A NO.242-R 100 A NO.2661-R 0.01 600 A 200 A NO.2662-R † 400 A NO.2664-R † Single reducer only (pair not required). RMS symmetrical current in amps For additional information on Class R fuse reducers, see data sheet No. 1118. 2 Eaton.com/bussmannseries Time in seconds 40 30A 60A 100 100A 200A 400A 600A 1000 10,000 ® Limitron fast-acting fuses 250 volt Technical Data 1043 Effective May 2016 Current-limitation curves B 400,000 100,000 600 400 200 100 10,000 60 30 A 1000 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 For Eaton’s Bussmann series Cleveland, OH 44122 product information, United States Eaton.com call 1-855-287-7626 or visit: Eaton, Bussmann and Limitron are Eaton.com/bussmannseries Bussmann Division valuable trademarks of Eaton in the US 114 Old State Road and other countries. You are not permitted Ellisville, MO 63021 to use the Eaton trademarks without prior United States written consent of Eaton. Eaton.com/bussmannseries CSA is a registered trademark of the Follow us on social media to get the © 2016 Eaton Canadian Standards Group. latest product and support information. All Rights Reserved NEC is a registered trademark of the Printed in USA National Fire Protection Association, Inc. Publication No. 1043 – SB02295 UL is a registered trademark of the May 2016 Underwriters Laboratories, Inc. 3 Instantaneous peak let-through current in amps 1000 10,000 100,000 200,000 Amp rating