Fusetron™ 600 V Class RK5 FRS-R — 600 Vac/300 Vdc,
1/10-60 A, dual element, time-delay fuses
Catalog numbers (amps)
FRS-R-1/10
FRS-R-1 8/10
FRS-R-1/8
FRS-R-2
FRS-R-15/100
FRS-R-2 1/4
FRS-R-2/10
FRS-R-2 1/2
FRS-R-1/4
FRS-R-2 8/10
FRS-R-3/10
FRS-R-3
FRS-R-4/10
FRS-R-3 2/10
FRS-R-1/2
FRS-R-3 1/2
FRS-R-6/10
FRS-R-4
FRS-R-8/10
FRS-R-4 1/2
FRS-R-1
FRS-R-5
FRS-R-1 1/8
FRS-R-5 6/10
FRS-R-1 1/4
FRS-R-6*
FRS-R-1 4/10
FRS-R-6 1/4*
FRS-R-1 1/2
FRS-R-7*
FRS-R-1 6/10
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*
Catalog symbols:
•
•
FRS-R-(amp) (non-indicating)
FRS-R-(amp)ID (indicating)
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.
* Open fuse indication available by inserting the suffix “ID.
”
E.g., FRS-R-15ID. 35 to 60 amp indicating fuses are not
Vdc rated.
Carton quantity
•
10
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 rat-
ing 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 prop-
erly
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 them-
selves.
Provides current limitation to help protect down-
stream components from high fault currents.
Gives motor running back-up protection to
motors without extra costs.
Features and benefits
•
Specifications:
Ratings
•
•
Volts
•
600 Vac, 300 Vdc (1/10-30 A)
•
•
600 Vac, 250 Vdc* (35-60 A)
•
•
•
Amps — 1/10-60 A
Interrupting rating
•
200 kA Vac RMS Sym
•
•
20 kA Vdc
•
* Indicating versions not Vdc rated.
Agency Information
•
UL
®
Listed, Std. 248-12, Class RK5,
Guide JDDZ, File E4273
CSA
®
Certified, C22.2 No. 248.12,
Class 1422-02, File 53787
CE
•
•
•
•
•
•
Technical Data 1017
Effective August 2018
Fusetron™ 600 V Class RK5 FRS-R — 600 Vac/300 Vdc,
1/10-60 A, dual element, time-delay fuses
Time-current curves - average melt
1/10 to 8 amps
2-Pole
RM60030-2_
RM60060-2_
3-Pole
RM60030-3_
RM60060-3_
AMP RATING
Recommended fuse blocks
Amps
30
60
Catalog no.
1-Pole
RM60030-1_
RM60060-1_
For additional information on the 600 volt fuse blocks, see data
sheet no. 10489.
Fuse reducers for Class R fuses
Desired fuse (case)
Equipment fuse clips size
60 A
30 A
30 A
100 A
60 A
200 A
60 A
Catalog no. (pairs)
600 V
NO.663-R
NO.216-R
NO.616-R
NO.626-R
TIME IN SECONDS
For additional information on Class R fuse reducers, see data sheet
no. 1118.
Dimensions — in
5"
(±0.031)
0.81" (±0.008)
1/10 to 30A
35 to 60A
5.5"
(±0.031)
1.06" (±0.008)
CURRENT IN AMPS
2
Eaton.com/bussmannseries
Fusetron™ 600 V Class RK5 FRS-R — 600 Vac/300 Vdc,
1/10-60 A, dual element, time-delay fuses
Time-current curves - average melt
10 to 60 amps
400000
Technical Data 1017
Effective August 2018
Current-limitation curves
B
AMP RATING
300000
200000
AMP RATING
INSTANTANEOUS PEAK-LET-THROUGH CURRENT IN AMPS
100000
90000
80000
70000
60000
50000
40000
30000
20000
60A
10000
9000
8000
7000
6000
5000
4000
3000
30A
A
2000
TIME IN SECONDS
1000
3000
4000
6000
7000
8000
9000
10000
60000
70000
80000
90000
100000
20000
30000
40000
50000
200000
1000
2000
5000
RMS
Current-limiting
ASYMMETRICAL AVAILABLE PEAK (2.3 XAMPSRMS AMPS)
effects
SYMMETRICAL CURRENT IN SYM
A-B =
Prosp. S.C.C.
—
5000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
150,000
200,000
Let-through current
(apparent RMS symmetrical vs. fuse rating)
30 A
60 A
1000
1000
1000
2000
1000
2000
2000
2000
2000
2000
2000
3000
2000
3000
2000
3000
2000
3000
2000
3000
3000
4000
3000
4000
3000
4000
3000
4000
3000
5000
4000
6000
CURRENT IN AMPS
Eaton.com/bussmannseries
3
Technical Data 1017
Effective August 2018
Fusetron™ 600 V Class RK5 FRS-R — 600 Vac/300 Vdc,
1/10-60 A, dual element, time-delay fuses
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.
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