Technical Data 1118
Effective February 2017
Supersedes June 2016
BUSSMANN
SERIES
Class H/K, J and R ferrule and blade fuse reducers
Specifications:
Ratings
•
Volts
•
250 V (Class H, K and R)
•
600 V (Class H, J, K and R)
•
•
Amps 30-600 A
Short-circuit Current Rating (SCCR) up to fuse
interrupting rating
Agency information
†
•
•
•
UL
®
Listed, Guide IZZR, File E12853
CSA
®
Certified, Class 6225-01, File 47235
RoHS compliant
† See catalog number tables for exceptions.
Catalog symbols:
•
•
•
Features:
•
NO._ (Class H/K)
NO._-R (Class R)
J-_ (Class J)
Reducers fit into most panels or switches
including the dead-front type
Strong contact is maintained both mechanically
and electrically
•
Description:
A range of Bussmann
™
series fuse reducers for
Class H/K, J and R ferrule and blade fuses.
Fuse reducers install on fuse ferrules or blades to
permit the application of smaller size fuses than
those for which the fuse blocks or holders are
designed.
The following conditions and limitations apply to
the fuse reducers listed in this data sheet:
•
Class J fuse reducers*
For Bussmann series LPJ and JKS fuses.
Amp size of
fuse block or
disconnect switch
60 A
100 A
100 A
200 A
††
200 A
††
400 A
††
400 A
††
600 A
††
600 A
††
Catalog no.
(pair)
J-63
J-13
J-16
J-26
J-21
J-41
J-42
†††
J-62
J-64
There are no reducers to fit a 250 V fuse into a
600 V block or a 600 V fuse into a 250 V block.
Fuse reducers for fuse blocks or holders
intended for current-limiting fuses will not
accept non-current limiting fuses.
There are no reducers for Class T fuses.
By design, Class L fuses do not require
reducers.
•
•
•
Fuse size
Up to 30 A
Up to 30 A
35 to 60 A
35 to 60 A
65 to 100 A
65 to 100 A
110 to 200 A
110 to 200 A
225 to 400 A
*
These reducers are not CSA Certified or UL Listed.
†† Not for bolt-on fuse applications.
††† Not compatible with JKS fuses.
Note: Carton quantity - 10 pair.
Further limitations are detailed in the catalog
number tables.
Technical Data
1118
Effective February 2017
Class H/K, J and R ferrule and blade fuse reducers
Class R fuse reducers
For Bussmann series FRN-R/LPN-RK (250 V) and
FRS-R/LPS-RK (600 V) fuses.
Amp size of
fuse block or
disconnect switch
60 A
100 A
200 A
400 A
Catalog No. (pairs)
250V
No.263-R
No.213-R
No.216-R
No.226-R
No.2621-R*
No.2641-R*
No.242-R*
No.2661-R*
No.2662-R*
No.2664-R*†
600V
No.663-R
No.216-R
No.616-R
No.626-R
No.2621-R*
No.2641-R*
No.642-R*
No.2661-R*
No.2662-R*
No.2664-R*†
Class H and K fuse reducers
For Bussmann series NON/REN (250 V) and
NOS/RES (600 V) fuses.
Amp size of
fuse block or
disconnect switch
60 A
100 A
100 A
200 A
200 A
400 A
400 A
600 A
600 A
600 A
Catalog No. (pairs)
250V
No.263
No.213
No.216
No.226
No.2621
No.2641*
No.2642
No.2661*
No.2662*
No.2664*
600V
No.663
No.216
No.616
No.626
No.2621
No.2641*
No.2642
No.2661*
No.2662*
No.2664*
Fuse size
Up to 30 A
Up to 30 A
35 to 60 A
35 to 60 A
65 to 100 A
65 to 100 A
110 to 200 A
65 to 100 A
110 to 200 A
225 to 400 A
*
†
600 A
Fuse size
Up to 30 A
Up to 30 A
35 to 60 A
35 to 60 A
65 to 100 A
65 to 100 A
110 to 200 A
65 to 100 A
110 to 200 A
225 to 400 A
*
These reducers are not CSA Certified.
Single reducer only (pair not required)
These reducers are not CSA Certified.
Note: Carton quantity - 10 pair.
Note: Carton quantity - 10 pair.
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
Ellisville, MO 63021
United States
Eaton.com/bussmannseries
© 2017 Eaton
All Rights Reserved
Printed in USA
Publication No. 1118 - BU-MC15034
February 2017
Eaton and Bussmann are valuable trademarks
of Eaton in the US and other countries. You
are not permitted to use the Eaton trademarks
without prior written consent of Eaton.
CSA is a registered trademark of the Canadian
Standards Group.
UL is a registered trademark of the
Underwriters Laboratories, Inc.
For Eaton’s Bussmann series
product information,
call
1-855-287-7626
or visit:
Eaton.com/bussmannseries
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