EATON BUSSMANN R25060-2SR

Effective March 2017 Technical Data 1004 Supersedes July 2013 LPN-RK — 250 Vac/dc, 70-600 A, dual element, time-delay fuses Catalog no.* LPN-RK-70SP LPN-RK-150SP LPN-RK-350SP LPN-RK-80SP LPN-RK-175SP LPN-RK-400SP LPN-RK-90SP LPN-RK-200SP LPN-RK-450SP LPN-RK-100SP LPN-RK-225SP LPN-RK-500SP LPN-RK-110SP LPN-RK-250SP LPN-RK-600SP LPN-RK-125SP LPN-RK-300SP * Open fuse indication available on all part numbers by inserting the suffix “I,” e.g., LPN-RK-90SPI. Requires 75Vac minimum voltage. Carton quantity • 70–100 A: 5 • 110–600 A: 1 Typical applications • Feeder and branch circuits • Transformers Catalog symbols: • Motors • LPN-RK-(amp)SP (non-indicating) • Solenoids • LPN-RK-(amp)SPI (indicating) • General purpose circuits Features and benefits Description: • Industry’s only UL Listed and CSA Certified fuse Ultimate protection Class RK1 dual element, with a 300 kA interrupting rating that allows for current-limiting, time-delay fuses available with simple, worry-free installation in virtually any optional open fuse indication. application. Specifications: • Fast short-circuit protection and dual-element, time-delay performance provide ultimate Ratings protection. • Volts 250Vac/dc • Reduces existing fuse inventory by up to 33% when upgrading to Low-Peak fuses. • Amps 70-600 A • Consistent 2:1 ampacity ratios for all Low-Peak • IR fuses make selective coordination easy. • 300kA Vac RMS Sym. • Time-delay permits 130% FLA sizing for back-up • 100kA Vdc motor protection. Agency information • Current-limitation protects downstream components against damaging thermal and • UL Listed, Guide JDDZ, File E4273 magnetic effects of short-circuit currents. • CSA Certified, Class 1422-02, File 53787, • Protects against single-phase motor damage. Class RK1 per CSA C22.2 No. 248.12 • Proper sizing can provide “no damage” Type 2 • CE coordinated protection for NEMA and IEC motor controllers. Technical Data 1004 LPN-RK — 250 Vac/dc, 70-600 A, dual element, time-delay fuses Effective March 2017 Recommended fuse blocks Catalog no. Amps 1-Pole 2-Pole 3-Pole 100 RM25100-1CR RM25100-2CR RM25100-3CR 200 RM25200-1CR RM25200-2CR RM25200-3CR 400 RM25400-1CR RM25400-2CR RM25400-3CR 600 RM25600-1CR RM25600-2CR RM25600-3CR For additional information on the RM Series of 250 volt fuse blocks, see product brochure # 3192. Fuse Reducers For Class R Fuses Desired fuse (case) Catalog no. (Pairs) Equipment fuse clips size 250V 200 A 100 A NO.2621-R 100 A NO.2641-R 400 A 200 A NO.642-R 100 A NO.2661-R 600 A 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. 1118. Dimensions — in A B Amp rating A B 70-100 5.88 1.10 110-200 7.13 1.61 225-400 8.63 2.36 450-600 10.38 2.88 2 Eaton.com/bussmannseries LPN-RK — 250 Vac/dc, 70-600 A, dual element, time-delay fuses Technical Data 1004 Effective March 2017 Time-current curves - average melt AMP RATING CURRENT IN AMPS NOTE: 60 Amp fuse curve is ferrule style and included to show only relative performance. For actual 60 amp time-current curve performance, see data sheet no. 1003. Eaton.com/bussmannseries 3 TIME IN SECONDS 60 100 200 400 600 Technical Data 1004 LPN-RK — 250 Vac/dc, 70-600 A, dual element, time-delay fuses Effective March 2017 Current-limitation curves Current-limiting effects B Prosp. 400,000 S.C.C. Let-through current (apparent RMS Sym. vs. fuse rating) 300,000 — 100 A 200 A 400 A 600 A 200,000 1000 1000 1000 1000 1000 2000 2000 2000 2000 2000 100,000 3000 2000 3000 3000 3000 90,000 80,000 5000 2000 3000 5000 5000 70,000 60,000 10,000 3000 4000 7000 9000 600A 50,000 40,000 400A 15,000 3000 5000 8000 11,000 30,000 20,000 3000 5000 8000 11,000 200A 25,000 3000 5000 9000 12,000 20,000 100A 30,000 4000 6000 9000 12,000 35,000 4000 6000 10,000 13,000 10,000 9000 40,000 4000 6000 10,000 13,000 8000 7000 50,000 4000 7000 11,000 14,000 6000 5000 60,000 4000 7000 11,000 16,000 4000 70,000 4000 7000 12,000 16,000 3000 80,000 5000 8000 12,000 16,000 A 2000 90,000 5000 7000 13,000 17,000 100,000 5000 8000 13,000 17,000 150,000 6000 9000 15,000 19,000 1000 200,000 6000 11,000 16,000 20,000 250,000 7000 11,000 17,000 21,000 RMS SYMMETRICAL CURRENT IN AMPS A-B = ASYMMETRICAL AVAILABLE PEAK (2.3 X SYM RMS AMPS) 300,000 7000 12,000 18,000 22,000 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 Bussmann Division 114 Old State Road Eaton, Bussmann and Low-Peak are valuable Ellisville, MO 63021 trademarks of Eaton in the U.S. and other United States countries. You are not permitted to use Eaton.com/bussmannseries the Eaton trademarks without prior written consent of Eaton. Follow us on social media to get the © 2017 Eaton latest product and support information. All Rights Reserved CSA is a registered trademark of the Canadian Printed in USA Standards Group. Publication No. 1004 — BU-SB13687 UL is a registered trademark of the March 2017 Underwriters Laboratories, Inc. Eaton.com/bussmannseries INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPERES 1000 2000 3000 4000 6000 8000 10,000 20,000 30,000 40,000 60,000 80,000 100,000 200,000 300,000 AMP RATING