Littelfuse LRU663 Misc. products - fuse reducer Datasheet

Misc. Products
Fuse Reducers
Littelfuse fuse reducers allow smaller size fuses to be
installed into existing fuse clips. This prevents overfusing.
■
Allows lower ampere-rated fuses to be used in existing
fuse clips.
■
Simple installation.
■
Reduces inventory requirements.
■
Silver brazed joints for maximum strength.
■
UL Listed (File No. E136855)
CSA Certified (File No. LR92899)
Refer to fuse section of this catalog for fuse dimensions.
Class H/K5
Fuse Reducers
600 Volt
250 Volt
For use with Littelfuse NLN/NLS and
RLN/RLS series fuses.
Class R
Fuse Reducers
Part No.
(pair)
Fuse
Clip
Fuse
Case Size
Part No.
(pair)
Fuse
Clip
Fuse
Case Size
LRU 263 M
LRU 213 M
LRU 216
LRU 226
LRU 2621
LRU 2641
LRU 2642
LRU 2661
LRU 2662
LRU 2664
60
100
100
200
200
400
400
600
600
600
30
30
60
60
100
100
200
100
200
400
LRU 663
LRU 216
LRU 616
LRU 626
LRU 2621
LRU 2641
LRU 2642
LRU 2661
LRU 2662
LRU 2664
60
100
100
200
200
400
400
600
600
600
30
30
60
60
100
100
200
100
200
400
250 Volt
Part No.
(pair)
For use with Littelfuse FLNR_ID/
FLSR_ID, IDSR, LLNRK/LLSRK and
KLNR/KLSR series fuses.
*
LRU 263 R
LRU 213 R
LRU 216 R
LRU 226 R
LRU 2621 R
LRU 2641 R
LRU 2642 R
LRU 2661 R
LRU 2662 R
LRU 2664 R
600 Volt
Fuse
Clip
Fuse
Case Size
Part No.
(pair)
Fuse
Clip
Fuse
Case Size
60
100
100
200
200
400
400
600
600
600
30
30
60
60
100
100
200
100
200
400
LRU 663 R
LRU 216 R
LRU 616 R
LRU 626 R
LRU 2621 R
LRU 2641 R
LRU 2642 R
LRU 2661 R
LRU 2662 R
* LRU 2664 R
60
100
100
200
200
400
400
600
600
600
30
30
60
60
100
100
200
100
200
400
* Only one reducer required.
Class J
Fuse Reducers
For use with Littelfuse JTD_ID/JTD and
JLS series fuses.
600 Volt
Part No.
(pair)
Fuse
Clip
Fuse
Case Size
LRUJ63
LRUJ13
LRUJ16 *
LRUJ26
LRUJ21
LRUJ41
LRUJ42
LRUJ64
60A
100A
100A
200A
200A
400A
400A
600A
30A
30A
60A
60A
100A
100A
200A
400A
*
Fuse and reducer combination is
slightly larger in diameter than 100A
Class J fuses. For specific applications, contact factory.
Class J reducers can not be used in
bolt-on applications.
151
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