KTN-R-1 COOPER | Alldatasheet

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Technical content

Limitron® fast-acting, RK1 – 250 volt fuses Catalog symbol - KTN-R-(amps) Description: Advanced protection Class RK1 current-limiting, fast-acting fuses. Specifications: Ratings

  • Volts:
  • 250 Vac
  • 250 Vdc (70-350 A)
  • Amps - 1-600 A
  • Interrupting rating:
  • 200 kA Vac RMS Sym.
  • 100 kA Vdc Agency Information
  • UL® Listed, Std. 248-12, Guide JDDZ, File E54273
  • CSA® Certified, Class 1422-02, File 53787
  • CE Features:
  • Provides 10X better current limitation to help prevent equipment damage caused by short-circuit events
  • 200 kA interrupting rating complies with NEC® Section 1 10.9 for today’s large capacity systems
  • Fast-acting fuse helps prevent equipment damage caused by short-circuit events
  • 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
  • Ideal for critical industrial or commercial applications that have specific current limitation requirements Dimensions - in:

450 A to 600 A

10.38"

110 A to 200 A

7.13"

225 A to 400 A

8.63"

70 A to 100 A

5.88" 1/10 A to 30 A 0.56"

35 A to 60 A

0.81" 1.06" 1.56" 2.06" 2.59" Catalog numbers KTN-R-1 KTN-R-30 KTN-R-125 KTN-R-2 KTN-R-35 KTN-R-150 KTN-R-3 KTN-R-40 KTN-R-175 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 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-1 10 KTN-R-600 Technical Data 1043 Effective May 2016 Supersedes October 2002 BUSSMANN SERIES

Eaton.com/bussmannseries Carton quantity and weight (250 vac)* Amps Carton qty. 1–30 10 40–60 10 70–100 5 1 10–200 1 225–400 1 450–600 1 *Contact Eaton’s Bussmann Division for DC ratings. Limitron® fast-acting fuses 250 volt Fuse amps 1-pole 2-pole 3-pole 0-30 HM25030-1 HM25030-2 HM25030-3 RM25030-1 RM25030-2 RM25030-3 35-60 HM25060-1 HM25060-2 HM25060-3 RM25060-1 RM25060-2 RM25060-3 70-100 RM25100-1CR RM25100-2CR RM25100-3CR 1 10-200 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). Recommended fuse blocks Equipment fuse clips Desired fuse (case) size Catalog symbol (pairs) 60 A 30 A NO.263-R 100 A 30 A NO.213-R 60 A NO.216-R 200 A 60 A NO.226-R 100 A NO.2621-R 400 A 100 A NO.2641-R 200 A NO.242-R 600 A 100 A NO.2661-R 200 A NO.2662-R 400 A NO.2664-R † Single reducer only (pair not required). For additional information on Class R fuse reducers, see data sheet No. 1 1 18. Fuse reducers for Class R fuses - 250 V 300 100 0.1 0.01 100 1000 10,000 30A 60A 100A 200A 400A 600A Amp rating Time in seconds RMS symmetrical current in amps Time-current curves — average melt

Limitron® fast-acting fuses 250 volt Follow us on social media to get the latest product and support information. For Eaton’s Bussmann series product information, call 1-855-287-7626 or visit: Eaton.com/bussmannseries 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. Eaton

1000 Eaton Boulevard

Cleveland, OH 44122 United States Eaton.com Bussmann Division 1 14 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 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. Current-limitation curves 600 100

60 Amp

400,000 100,000 10,000 1000 1000 10,000 100,000 200,000 A B RMS symmetrical currents in amperes A-B=asymmetrical available peak (2.3 x symm. RMS amps) Instantaneous peak let-through current in amps