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Fusing Equipment
MN132016EN
ELF-LR™ Current-Limiting Fuse
Installation Instructions
Effective November 2016
Supersedes
September 2005 (S240-71-1)
COOPER POWER
SERIES

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Table of Contents
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Summary of Contents for Eaton COOPER POWER Series

  • Page 1 COOPER POWER Fusing Equipment Effective November 2016 SERIES Supersedes MN132016EN September 2005 (S240-71-1) ELF-LR™ Current-Limiting Fuse Installation Instructions...
  • Page 2: Disclaimer Of Warranties And Limitation Of Liability

    CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited to...
  • Page 3: Table Of Contents

    Contents DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii SAFETY FOR LIFE .
  • Page 4: Safety For Life

    FOR LIFE FOR LIFE Eaton meets or exceeds all applicable industry standards relating to product safety in its Cooper Power™ series products. We actively promote safe practices in the use and maintenance of our products through our service literature, instructional training programs, and the continuous efforts of all Eaton employees involved in product design, manufacture, marketing, and service.
  • Page 5: General

    . Eaton’s Cooper Power series ELF-LR™ Current-Limiting Fuse is a full-range current-limiting fuse that is suitable for use in areas where a high-fire hazard exists. ELF-LR liquid fuses are noiseless and expel no hot gases or burning particles while performing fault current interruptions.
  • Page 6: Removal

    ELF-LR™ Current-Limiting Fuse Removal Open cutout locking clips. Using fuse puller, remove lower end of fuse from cutout first, then upper end (see Figure 3). Figure 2 . Installing fuse in cutout . Figure 3 . Proper removal of fuse in cutout . CAUTION CAUTION If a fault is present when installing an ELF-LR fuse, the...
  • Page 7: Testing

    ELF-LR™ Current-Limiting Fuse Testing A continuity test in the field can determine if the fuse element is open. This can be done using an ohmmeter or self-powered continuity tester. To confirm the integrity of the current-limiting section, additional shop testing using a micro-ohmmeter to verify the nominal resistance is recommended (See Table 1).
  • Page 8 Waukesha, WI 53188 United States Eaton.com/cooperpowerseries © 2016 Eaton All Rights Reserved Eaton is a registered trademark. For Eaton‘s Cooper Power series product Printed in USA information Publication No. MN132016EN Rev. 0 call 1-877-277-4636 or visit: All trademarks are property www.eaton.com/cooperpowerseries.

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Elf-lr current-limiting fuse

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