Technical Data1019
Effective February 2016
Supersedes July 2013
Fusetron™ FRN-R Class RK5 250Vac/125Vdc
1⁄10-60A, dual element, time-delay fuses
Catalog numbers (amps) — non-indictaing fuses
FRN-R-1⁄10
FRN-R-1⁄8
FRN-R-15⁄100
FRN-R-2⁄10
FRN-R-1⁄4
FRN-R-3⁄10
FRN-R-4⁄10
FRN-R-1⁄2
FRN-R-6⁄10
FRN-R-1-8⁄10
FRN-R-2
FRN-R-2-1⁄4
FRN-R-2-1⁄2
FRN-R-2-8⁄10
FRN-R-3
FRN-R-3-2⁄10
FRN-R-3-1⁄2
FRN-R-4
FRN-R-4-1⁄2
FRN-R-5
FRN-R-5-6⁄10
FRN-R-6
FRN-R-6-1⁄4
FRN-R-7
FRN-R-7-1⁄2
FRN-R-8*
FRN-R-9*
FRN-R-10*
FRN-R-12*
FRN-R-15*
FRN-R-17-1⁄2*
FRN-R-20*
FRN-R-25*
FRN-R-30*
FRN-R-35*
FRN-R-40*
FRN-R-45*
FRN-R-50*
FRN-R-60*
Catalog symbols:
•
•
FRN-R-8⁄10
FRN-R-1
FRN-R-1-1⁄8
FRN-R-1-1⁄4
FRN-R-1-4⁄10
FRN-R-1-1⁄2
FRN-R-1-6⁄10
FRN-R-_ (non-indicating)
FRN-R-_ID (indicating)
Description:
Eaton Bussmann
®
series advanced protection,
energy efficient FRN-R Class RK5 dual element,
current-limiting, time-delay fuses with optional
open fuse indication on select ratings. Time-delay
– 10 seconds (minimum) at 500% of rated current
(8 seconds for 1⁄10-30A sizes).
* Open fuse indication available by inserting the sufix “ID.”
E.g., FRN-R-15ID.
Carton Quantity:
Amp rating
1⁄10 – 60
Carton qty.
10
Specifications:
Ratings
•
Volts
•
250Vac
•
Features:
•
•
•
•
•
Provides motor overload, ground fault and
short-circuit protection
Helps protect motors against burnout from
overloads
Helps protect motors against burnout from
single-phasing on three-phase systems
Simplifies and improves blackout prevention
(selective coordination)
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
The overload element provides protection
against low level overcurrent of overloads
and will hold an overload which is five times
greater than the ampere rating of the fuse for a
minimum of ten seconds
125Vdc
•
•
Amps 1⁄10-60A
Interrupting rating
•
200kA Vac RMS Sym.
•
20kA Vdc
Agency information
•
UL Listed, Std. 248-12, Class RK-5, Guide
JDDZ, File E4273
CSA Certified, C22.2 No. 248.12, Class 1422-
02, File 53787
CE
•
•
•
Technical Data 1019
Effective February 2016
FRN-R Class RK5 250Vac/125Vdc
1⁄10-60A, dual element, time-delay fuses
Dimensions - in:
2"
(± 0.03)
0.56" (±0.01)
up to 30A
3"
(± 0.03)
0.81" (±0.01)
35 to 60A
Recommended fuse blocks:
Fuse amps
up to 30
35 to 60
1-pole
RM25030-1_
RM25060-1CR
2-pole
RM25030-2_
RM25060-2CR
3-pole
RM25030-3_
RM25060-3CR
For additional information see data sheet no. 10289.
Fuse reducers for Class R fuses
Fuse size
Up to 30A
Up to 30A
35 to 60A
35 to 60A
Amp size of fuse block or disconnect
switch
60A
100A
200A
Catalog no.
(pairs)
No.263-R
No.213-R
No.216-R
No.226-R
For additional information on Class R fuse reducers, see data sheet
no 1118.
2
Eaton.com/bussmannseries
FRN-R Class RK5 250Vac/125Vdc
1⁄10-60A, dual element, time-delay fuses
Current-limitation curves:
400000
300000
AMP RATING
200000
Technical Data 1019
Effective February 2016
Current-limiting effects:
B
Prosp. S.C.C.
—
5000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
60A
Let-through current
(apparent RMS Sym. vs. fuse rating)
30A
1000
2000
2000
2000
2000
2000
2000
2000
3000
3000
3000
3000
3000
3000
4000
4000
60A
2000
3000
3000
4000
4000
4000
4000
5000
5000
5000
6000
6000
6000
6000
7000
8000
INSTANTANEOUS PEAK-LET-THROUGH CURRENT IN AMPS
100000
90000
80000
70000
60000
50000
40000
30000
20000
50,000
60,000
70,000
80,000
90,000
100,000
150,000
200,000
10000
9000
8000
7000
6000
5000
4000
3000
2000
30A
A
1000
1000
5000
6000
7000
8000
9000
10000
40000
50000
60000
70000
80000
90000
100000
2000
20000
30000
4000
200000
3000
RMS SYMMETRICAL CURRENT IN AMPS
A-B = ASYMMETRICAL AVAILABLE PEAK (2.3 X SYM RMS AMPS)
Eaton.com/bussmannseries
5
Analog electronics
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