Technical Data 1017
Effective May 2016
Supersedes August 2013
BUSSMANN
SERIES
Fusetron™ 600 V Class RK5, FRS-R — 600 Vac/300 Vdc,
1/10-60 A, dual element, time-delay fuses
Catalog symbol:
•
•
•
FRS-R-(amp) (non-indicating)
FRS-R-(amp)ID (indicating)
•
Dual-element fuses can be applied in circuits
subject to temporary motor overloads
and surge currents to provide both high
performance short-circuit and overload
protection
Offers a 10-second time delay at 5 times the
rated current
The time-delay feature makes it possible
to use fuse amp ratings that are much
smaller than those of non-time delay
fuses. Considerable cost savings occur by
permitting the use of smaller size switches,
panels, and fuses themselves.
Provides current limitation to help protect
downstream components from high fault
currents.
Gives motor running back-up protection to
motors without extra costs.
Description:
•
Advanced protection, energy efficient
Class RK5 dual element, current-limiting,
time-delay fuses with optional open fuse
indication on select ratings
Time-delay – 10 second (minimum) at 500%
of rated current
•
•
Specifications:
Ratings
•
•
Volts
•
600 Vac, 300 Vdc (1/10-30 A)
•
•
600 Vac, 250 Vdc (35-60 A)
Dimensions - in:
•
•
Amps — 1/10-60 A
Interrupting rating
•
200 kA Vac RMS Sym
•
20 kA Vdc
Catalog numbers (amps) — Non-indictaing fuses
FRS-R-1/10
FRS-R-1/8
FRS-R-15/100
FRS-R-2/10
FRS-R-1/4
FRS-R-3/10
FRS-R-4/10
FRS-R-1/2
FRS-R-6/10
FRS-R-8/10
FRS-R-1
FRS-R-1 1/8
FRS-R-1 1/4
FRS-R-1 4/10
FRS-R-1 1/2
FRS-R-1 6/10
FRS-R-1 8/10
FRS-R-2
FRS-R-2 1/4
FRS-R-2 1/2
FRS-R-2 8/10
FRS-R-3
FRS-R-3 2/10
FRS-R-3 1/2
FRS-R-4
FRS-R-4 1/2
FRS-R-5
FRS-R-5 6/10
FRS-R-6*
FRS-R-6 1/4*
FRS-R-7*
FRS-R-7 1/2*
FRS-R-8*
FRS-R-9*
FRS-R-10*
FRS-R-12*
FRS-R-15*
FRS-R-17 1/2*
FRS-R-20*
FRS-R-25*
FRS-R-30*
FRS-R-35*
FRS-R-40*
FRS-R-45*
FRS-R-50*
FRS-R-60*
–
–
Agency information:
•
CE, UL Listed, Std. 248-12, Class RK5, Guide
JDDZ, File E4273
®
•
CSA Certified, C22.2 No. 248.12, Class
1422-02, File 53787
®
•
CE
Features:
•
Dual-element feature provides the best
time-delay performance, allowing closer
sizing and superior protection of motors and
transformers
Closer sizing allows for smaller fuses and
less costly switches
Class RK5 fuses with a 200 kA interrupting
rating for use in a broad range of
applications
Provides motor overload, ground fault, and
short-circuit protection
Helps protect motors against burnout from
overloads and single-phasing when sized
properly
•
•
•
* Open fuse indication available by inserting the sufix
“ID. E.g., FRS-R-15ID.
”
•
Technical Data 1017
Effective May 2016
Fusetron™ 600 V class RK5 FRS-R — 600 Vac/
300 Vdc, 1⁄10-60 A, dual element, time-delay fuses
For additional information on the R600, 600 volt fuse blocks, see
data sheet No. 1111.
Carton quantity:
Amp rating
1/10-60
Carton qty.
10
Time-current curves–average melt
10 to 60 amps
2-Pole
RM60030-2
RM60060-2
3-Pole
RM60030-3
RM60060-3
Recommended fuse blocks
Fuse amps
0-30
35-60
1-Pole
RM60030-1
RM60060-1
Amp rating
Fuse reducers for class R fuses
Equipment
fuse clips
60A
100A
200A
Desired fuse
(case) size
30A
30A
60A
60A
Catalog number
(pairs) 600V
No. 663-R
No. 216-R
No. 616-R
No. 626-R
For additional information on class R fuse reducers, see data
sheet No. 1118.
Time-current curves–average melt
1/10 to 8 amps
Amp rating
Time in seconds
Time in seconds
Current in amps
Current in amps
2
Eaton.com/bussmannseries
Technical Data 1017
Effective May 2016
Fusetron™ 600 V Class RK5 FRS-R — 600 Vac/
300 Vdc, 1⁄10-60 A, dual element, time-delay fuses
Current-limiting effects
B
Current-limitation curves
400000
300000
200000
Amp rating
Prosp.
S.C.C.
—
5000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60A
Let-through current
(apparent RMS symmetrical vs. fuse rating)
30A
1000
1000
1000
2000
2000
2000
2000
2000
2000
2000
3000
3000
3000
3000
3000
4000
60A
1000
2000
2000
2000
2000
3000
3000
3000
3000
3000
4000
4000
4000
4000
5000
6000
Instantaneous peak-let-through current in amps
100000
90000
80000
70000
60000
50000
40000
30000
20000
60,000
70,000
80,000
90,000
100,000
150,000
200,000
10000
9000
8000
7000
6000
5000
4000
3000
30A
A
2000
1000
3000
4000
6000
7000
8000
9000
10000
60000
70000
80000
90000
100000
20000
30000
1000
2000
5000
40000
50000
200000
RMS Stmmetrical current in amps
A-B = asymmetrical available peak (2.3 x sym RMS amps)
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
United States
Eaton.com
Bussmann Division
114 Old State Road
Ellisville, MO 63021
United States
Eaton.com/bussmannseries
© 2016 Eaton
All Rights Reserved
Printed in USA
Publication No. 1017 – BU-MC16054
May 2016
Eaton, Bussmann and Fusetron 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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