Littelfuse LRUH Series User Manual
Lru series fuse reducers, Powr-gard, Datasheet

Littelfuse.com
© 2013 Littelfuse POWR-GARD
®
Products
POWR-GARD
®
Datasheet
Rev: 011113
1 of 1
LRU SeRieS FUSe ReDUCeRS
¶ Fuse and reducer com bi na tion is slightly larger in diameter than 100 A Class J fuses. For
specific ap pli ca tions, contact factory.
Class J reducers cannot be used in bolt-on applications.
Description
Littelfuse
®
fuse reducers allow smaller size fuses to be
installed into existing fuse clips to prevent overfusing.
Features/Benefits
• Simple installation
• Reduces inventory requirements
• Silver brazed joints for maximum strength
• UL Listed (File No. E136855)
• CSA Certified (File No. LR92899)
Web Resources
Downloadable CAD drawings, FAQs, and other technical
information visit: Littelfuse.com/lruh
Littelfuse.com/lrur
Littelfuse.com/lruj
Refer to fuse section of this catalog for fuse di men sions.
Recommended Fuses
Class H/K5 Fuse Reducers
NLN / NLS
RLN / RLS
Class R Fuse Reducers
FLNR / FLSR
FLNR_ID / FLSR_ID
IDSR
LLNRK / LLSRK
LLSRK_ID
KLNR / KLSR
Class J Fuse Reducers
JTD_ID / JTD
JLS
600 Volt
CataLog / oRDeRing nUmbeR
FUSe CLip
FUSe
CaSe Size
CLaSS H/K5
CLaSS R
CLaSS J
LRU 663
LRU 663 R
LRUJ63
60 A
30 A
LRU 216
LRU 216 R
LRUJ13
100 A
30 A
LRU 616
LRU 616 R
LRUJ16
¶
100 A
60 A
LRU 626
LRU 626 R
LRUJ26
200 A
60 A
LRU 2621
LRU 2621 R
LRUJ21
200 A
100 A
LRU 2641
LRU 2641 R
LRUJ41
400 A
100 A
LRU 2642
LRU 2642 R
LRUJ42
400 A
200 A
LRU 2661
LRU 2661 R
—
600 A
100 A
LRU 2662
LRU 2662 R
—
600 A
200 A
LRU 2664
LRU 2664 R
†
LRUJ64
600 A
400 A
†Only one reducer required.
Ordering Information
250 Volt
CataLog / oRDeRing nUmbeR
FUSe CLip
FUSe
CaSe Size
CLaSS H/K5
CLaSS R
LRU 263
LRU 263 R
60 A
30 A
LRU 213
LRU 213 R
100 A
30 A
LRU 216
LRU 216 R
100 A
60 A
LRU 226
LRU 226 R
200 A
60 A
LRU 2621
LRU 2621 R
200 A
100 A
LRU 2641
LRU 2641 R
400 A
100 A
LRU 2642
LRU 2642 R
400 A
200 A
LRU 2661
LRU 2661 R
600 A
100 A
LRU 2662
LRU 2662 R
600 A
200 A
LRU 2664
LRU 2664 R*
600 A
400 A
*Only one reducer required.