LPJ-1SP EATON | Alldatasheet

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Technical content

Low-Peak™ LPJ Class J 600Vac/300Vdc, 1-60A, dual element, time-delay fuses Catalog symbol:

  • LPJ-(amp)SP (non-indicating)
  • LPJ-(amp)SPI (indicating) Description: Bussmann® series Ultimate protection LPJ Class J dual element, current-limiting, time-delay fuses available with optional open fuse indication. Time- delay – 10 seconds (minimum) at 500% of rated current. Specifications: Ratings
  • Volts
  • 600Vac
  • 300Vdc*
  • Amps 1-60A
  • IR
  • 300kA Vac RMS Sym.
  • 100kA Vdc * Indicating versions not Vdc rated. Agency information
  • UL® Listed, Guide JDDZ, File E4273
  • CSA® Certified, Class 1422-02, File 53787 , Class J per CSA 22.2 No. 248.
  • CE
  • RoHS compliant Catalog numbers (amps) – non-indicating fuses LPJ-1SP LPJ-3SP LPJ-7SP* LPJ-25SP* LPJ-1-1/4SP LPJ-3-2/10SP LPJ-8SP* LPJ-30SP* LPJ-1-6/10SP LPJ-3-1/2SP LPJ-9SP* LPJ-35SP* LPJ-1-8/10SP LPJ-4SP LPJ-10SP* LPJ-40SP* LPJ-2SP LPJ-4-1/2SP LPJ-12SP* LPJ-45SP* LPJ-2-1/4SP LPJ-5SP LPJ-15SP* LPJ-50SP* LPJ-2-1/2SP LPJ-5-6/10SP LPJ-17-1/2SP* LPJ-60SP* LPJ-2-8/10SP LPJ-6SP* LPJ-20SP* * Open fuse indication available by inserting the suffix “I, ” e.g., LPJ-15SPI. Requires 75Vac minimum voltage. Indicating fuses are not Vdc rated. Carton quantity: Amp rating Carton qty. 1–60 10 Dimensions - in 2.38" 0.63" 35 to 60A 1.06" 0.5" 1 to 30A 0.81" 2.25" (±0.03) (±0.03) (±0.03) (±0.03) Features:
  • Industry’s only UL Listed and CSA Certified fuse with a 300kA interrupting rating that allows for simple, worry-free installation in virtually any application.
  • Fast short-circuit protection and dual-element, time-delay performance provide ultimate protection.
  • Reduces existing fuse inventory by up to 33% when upgrading to Low-Peak fuses.
  • Consistent 2:1 ampacity ratios for all Low-Peak fuses make selective coordination easy.
  • Long time-delay minimizes needless fuse openings due to temporary overloads and transient surges.
  • Current-limitation protects downstream components against damaging thermal and magnetic effects of short-circuit currents.
  • Dual-element fuses have lower resistance than ordinary fuses so they run cooler. They can often be sized for back-up protection against motor burnout from overload or single-phasing if other overload protective devices fail.
  • Proper sizing can provide “no damage” Type 2 coordinated protection for NEMA® and IEC® motor controllers.
  • Space-saving package for equipment downsizing. Available with easyID™ open fuse indication

Low-Peak™ LPJ Class J 600Vac/300Vdc, 1-60A, dual element, time-delay fuses Eaton.com/bussmannseries Recommended fuse blocks and holders: Fuse amps 1-Pole 2-Pole 3-Pole Modular open blocks with optional covers 0-30 JM60030-1_ JM60030-2_ JM60030-3_ 35-60 JM60060-1_ JM60060-2_ JM60060-3_ “Pyramid” blocks CH holders 0-30 CH30J1_ CH30J2_ CH30J3_ 35-60 CH60J1_ CH60J2_ CH60J3_ Safety J™ holders 0-30 JT60030_ — — 35-60 JT60060_ — — For additional information on the Class J fuse blocks and holders, see data sheets no. 10289 (modular open blocks), no.1108 (pyramid blocks), no. 2144 (CH) and no. 1152 (Safety J). Fuse reducers for Class J fuses: Equipment fuse clips Desired fuse (case) size Catalog numbers (pairs) 60A 30A J-63 100A 30A J-13 60A J-16 200A 60A J-26† † Not for bolt-in applications.

Low-Peak™ LPJ Class J 600Vac/300Vdc, 1-60A, dual element, time-delay fuses Eaton.com/bussmannseries Time-current curves - average melt AMP RATING 6A300 100 0.1

0.01 TIME IN SECONDS

Low-Peak™ LPJ Class J 600Vac/300Vdc, 1-60A, dual element, time-delay fuses Technical Data 1006 Effective August 2018 Eaton, Bussmann, Low-Peak and Safety J are valuable trademarks of Eaton in the US and other countries. Y ou are not permitted to use the Eaton trademarks without prior written consent of Eaton. CSA is a registered trademark of the Canadian Standards Group. IEC is a registered trademark of the International Electrotechnical Commission. NEMA is a registered trademark of the National Electrical Manufacturers Association. UL is a registered trademark of the Underwriters Laboratories, Inc. Eaton

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Cleveland, OH 44122 Eaton.com Bussmann Division

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Ellisville, MO 63021 United States Eaton.com/bussmannseries © 2018 Eaton All Rights Reserved Printed in USA Publication No. 1006 — BU-SB13688 August 2018 Follow us on social media to get the latest product and support information. 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: Current-limiting effects: Prospective S.C.C. Let-through current (apparent RMS symmetrical vs. fuse rating) 15A 30A 60A 1000 1000 1000 1000 3000 1000 1000 1000 5000 1000 1000 1000 10,000 1000 1000 2000 15,000 1000 1000 2000 20,000 1000 1000 2000 25,000 1000 1000 2000 30,000 1000 1000 2000 35,000 1000 1000 2000 40,000 1000 2000 3000 50,000 1000 2000 3000 60,000 1000 2000 3000 80,000 1000 2000 3000 100,000 1000 2000 4000 150,000 1000 2000 4000 200,000 2000 3000 4000 250,000 2000 3000 5000 300,000 2000 3000 5000 B A INSTANTANEOUS PEAK-LET-THROUGH CURRENT IN AMPS 15A 30A 60A 9000 8000 7000 7000 6000 6000 100000 5000 4000 4000 90000 3000 2000 1000 3000 70000 80000 70000 60000 50000 60000 200000 20000 2000 40000 100000 50000 10000 5000 1000 30000 90000 80000 40000 9000 8000 30000 20000 10000 300000 900 800 700 600 500 400 300 200 100 100 400 200 300 700 500 600 900 800 RMS SYMMETRICAL CURRENT IN AMPS A-B = ASYMMETRICAL AVAILABLE PEAK (2.3 X SYM RMS AMPS) AMP RATING