Fusetron FRN-R
1
Dual-Element, Time-Delay Fuses 10-60A
Class RK5 - 250 Volt
Dimensional Data
2"
( 0.31)
0.56" ( 0.008)
1
/10 A to 30A
3"
( 0.31)
0.81" ( 0.008)
35A to 60A
General Information:
Catalog Symbol: FRN-R
Provides motor overload, ground fault and short-circuit
Current-Limiting
protection.
Dual-Element, Time-Delay 10 seconds (minimum) at 500%
Helps protect motors against burnout from overloads.
rated current (8 seconds for 0-30A sizes)
1
Helps protect motors against burnout from single phasing
Ampere Rating: 10 to 60 Amperes
on three phase systems.
Voltage Rating: 250Vac (or less)
Interrupting Rating: 200,000A RMS Sym. Simplifies and improves blackout prevention (selective
DC Ratings: 20,000 AIC @ 125Vdc
coordination).
Agency Information:
Dual-element fuses can be applied in circuits subject
UL Listed, Std. 248-12, Class RK-5, Guide JDDZ, File E4273
to temporary motor overloads and surge currents to
CSA Certified, C22.2 No. 248.12, Class 1422-01, File 53787
provide both high performance short-circuit and
Catalog Numbers overload protection.
1 8
FRN-R- 10 FRN-R-1 10 FRN-R-8
The overload element provides protection against low level
1
FRN-R- 8 FRN-R-2 FRN-R-9
overcurrent of overloads and will hold an overload which is
15 1
FRN-R- 100 FRN-R-2 4 FRN-R-10
five times greater than the ampere rating of the fuse for a
2 1
FRN-R- 10 FRN-R-2 2 FRN-R-12
minimum of ten seconds.
1 8
FRN-R- 4 FRN-R-2 10 FRN-R-15
3 1
FRN-R- 10 FRN-R-3 FRN-R-17 2 Fuse Reducers For Class R Fuses
4 2
FRN-R- 10 FRN-R-3 10 FRN-R-20 Equipment Desired Fuse Catalog Number
1 1
Fuse Clips (Case) Size (Pairs) 250V
FRN-R- 2 FRN-R-3 2 FRN-R-25
6
60A 30A No. 263-R
FRN-R- 10 FRN-R-4 FRN-R-30
8 1
30A No. 213-R
FRN-R- 10 FRN-R-4 2 FRN-R-35
100A
60A No. 216-R
FRN-R-1 FRN-R-5 FRN-R-40
1 6
200A 60A No. 226-R
FRN-R-1 8 FRN-R-5 10 FRN-R-45
1
FRN-R-1 4 FRN-R-6 FRN-R-50
4 1
FRN-R-1 10 FRN-R-6 4 FRN-R-60
1
FRN-R-1 2 FRN-R-7
6 1 Fuseblocks for Class R Fuses
FRN-R-1 10 FRN-R-7 2
(Clip Retaining Spring Standard, Suffix R)
See Data Sheet 1110
Carton Quantity and Weight
Terminal Type (Suffix No.)
Weight* 1
Ampere Carton
Screw w/ Box Lug w/ 2
Basic
Ratings Qty. Lbs. Kg.
Catalog Pres. Clip Quick-
015 10 0.40 0.181
Amps Poles Number Plate CU only Connect
1
10 1 R25030-1 SR PR CR COR QR
17.530 10 0.50 0.227
to 2 R25030-2 SR PR CR COR
3560 10 1.00 0.453
30 3 R25030-3 SR PR CR COR
*Weight per carton.
31 1 R25060-1 SR CR
to 2 R25060-2 SR CR
60 3 R25060-3 SR CR
10-08 BU-SB08353 Page 1 of 2 Data Sheet 1019Time-Current Characteristic CurvesAverage Melt
Time-Current Characteristic Curves
Average Melt
810 15 30 60
Current-Limitation Curve
RMS Symmetrical Currents In Amps
ABAsymmetrical 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 Cooper Bussmann 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 informa-
tion that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to change design or construction of
any products and to discontinue or limit distribution of any products. Cooper Bussmann 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.
2009 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
10-08 BU-SB08353 Page 2 of 2 Data Sheet 1019
Peal Current In Amps