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FRS-R-50 Datasheet, PDF (1/2 Pages) Cooper Bussmann, Inc. – Dual-Element, Time-Delay Fuses Class RK5 600 Volt
Bussmann®
Fusetron®
Dual-Element, Time-Delay Fuses
Class RK5 – 600 Volt
FRS-R
⁄Ω¡º-60A
Dimensional Data
5" (± 0.31)
⁄Ω¡ºA to 30A
.81" (± 0.008)
5.5" (± 0.31)
35A to 60A
1.06" (± 0.008)
Catalog Symbol: FRS-R
Dual-Element, Time-Delay – 10 second (minimum) at 500%
rated current
Current-Limiting
Ampere Rating: ⁄Ω¡º to 60A
Voltage Rating: 600Vac (or less)
Interrupting Rating: 200,000A RMS Sym.
dc Ratings (20,000AIC @ 250Vdc)
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
Catalog Numbers
FRS-R-⁄Ω¡º
FRS-R-⁄Ω•
FRS-R-⁄fiΩ¡ºº
FRS-R-¤Ω¡º
FRS-R-⁄Ω¢
FRS-R-‹Ω¡º
FRS-R-›Ω¡º
FRS-R-⁄Ω™
FRS-R-flꭧ
FRS-R-°Ω¡º
FRS-R-1
FRS-R-1⁄Ω•
FRS-R-1⁄Ω¢
FRS-R-1›Ω¡º
FRS-R-1⁄Ω™
FRS-R-1flꭧ
FRS-R-1°Ω¡º
FRS-R-2
FRS-R-2⁄Ω¢
FRS-R-2⁄Ω™
FRS-R-2°Ω¡º
FRS-R-3
FRS-R-3¤Ω¡º
FRS-R-3⁄Ω™
FRS-R-4
FRS-R-4⁄Ω™
FRS-R-5
FRS-R-5flꭧ
FRS-R-6
FRS-R-6⁄Ω¢
FRS-R-7
FRS-R-7⁄Ω™
Carton Quantity and Weight
Ampere
Ratings
⁄Ω¡º–15
17.5–30
35-60
*Weight per carton.
Carton
Qty.
10
10
10
FRS-R-8
FRS-R-9
FRS-R-10
FRS-R-12
FRS-R-15
FRS-R-17⁄Ω™
FRS-R-20
FRS-R-25
FRS-R-30
FRS-R-35
FRS-R-40
FRS-R-45
FRS-R-50
FRS-R-60
—
—
Lbs.
0.40
0.50
3.10
Weight*
Kg.
0.181
0.277
1.406
General Information:
• Provides motor overload, ground fault and short-circuit pro-
tection. When used in circuits subject to surge currents such
as those caused by motors, transformers and other inductive
components, these fuses can be sized close to full-load
amperes to give maximum overcurrent protection.
• Permits the use of smaller and less costly switches. The time-
delay feature makes it possible to use fuse ampere ratings
which are much smaller than those of non-time-delay fuses.
Considerable cost saving occurs by permitting the use of
smaller size switches, panels and fuses themselves.
• Provides a higher degree of short-circuit protection (greater
current-limitation) in circuits in which surge currents or tempo-
rary overloads occur.
• Helps protect motors against burnout from overloads.
• Gives motor running back-up protection to motors without
extra costs.
• 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 tem-
porary 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.
Fuse Reducers For Class R Fuses
Equipment
Fuse Clips
Desired
Fuse (Case)
Size
60A
30A
100A
30A
60A
200A
60A
Catalog Number
(Pairs)
600V
No. 663-R
No. 216-R
No. 616-R
No. 626-R
Recommended fuseblocks for
Class R 600V fuses
See Data Sheet: 1111
CE logo denotes compliance with European Union Low Voltage Directive
(50-1000Vac, 75-1500Vdc). Refer to Data Sheet: 8002 or contact
Bussmann Application Engineering at 314-527-1270 for more information.
7-25-03
A03014
Form No. FRS-R 1/10-60
Page 1 of 2
Data Sheet: 1017