Technical Data 1024 Effective December 2015
Supersedes August 2013
BUSSMANN
SERIES
SC Class G, 600Vac/480Vac, 1⁄2-60A
size-rejecting fuses
Catalog symbol:
• SC-(amp)
Description:
Basic protection Class G size-rejecting, current
limiting fuses. 1/2 to 6A Fast-acting, 7 to 60A
time-delay. Time-delay – 12 seconds (minimum)
at 200% of rated current.
Specications:
Ratings
• Volts
• 600Vac/170Vdc (½-20A)
• 480Vac/300Vdc (25-60A)
• Amps 1/2-60A
• IR
• 100kA Vac RMS Sym.
• 10kA Vdc
Agency information
• UL® Listed, Std. 248-5, Class G,
Guide JDDZ, File E4273
• CSA® Certified, C22.2 No. 248.5,
Class 1422-01, File 53787
• CE
• RoHS compliant
Catalog numbers (amps)
SC-1⁄2 SC-6 SC-30
SC-1 SC-7 SC-35
SC-1-1⁄2 SC-8 SC-40
SC-2 SC-10 SC-45
SC-2-1⁄2 SC-12 SC-50
SC-3 SC-15 SC-60
SC-4 SC-20
SC-5 SC-25
Carton quantity:
Amp rating Carton qty.
1/2-20 4
25–60 2
Dimensions - in (mm):
Amp rating A
1/2-15 1.31 (33.3)
20 1.41 (35.8)
25 to 30 1.62 (41.1)
35 to 60 2.25 (57.1)
Features:
• Meets basic protection requirements of
NEC®, Canadian Electrical Code (CEC), UL
and CSA.
• Most economical overcurrent protection
solution compared to circuit breakers.
• For use in various non-demanding, general
purpose applications.
• Compact branch-circuit units with high
interrupting rating and current-limitation.
• With up to a 600V rating, they can be used in
120/208V, 120/240V, and 277/480V circuits.
• Size rejection by length helps prevent
overfusing.
• Fuses 7 amps and above have a degree of
overload time-delay that permits them to
pass temporary overloads.
A
(Length)
0.41”
(10.41mm)
2
Technical Data 1024
Effective December 2015
SC Class G 600Vac/480Vac, 1⁄2-60A size-rejecting fuses
Eaton.com/bussmannseries
Time-current curves - average melt:
CURRENT IN AMPS
TIME IN SECONDS
100
10
1
0.1
0.01
10 100 10 00
1
0.7 2000
1/2A
1-1/2A
2-1/2A
1A
2A
3A
5A
6A
8A
10A
12A
15A
20A
30A
60A
4A
300
AMP RATING
Current in amps
Time in seconds
Amp rating
3
Technical Data 1024
Effective December 2015
SC Class G 600Vac/480Vac, 1⁄2-60A size-rejecting fuses
Recommended fuse blocks:
Fuse amps 1-Pole 2-Pole 3-Pole
1⁄2-15 BG30011_ BG30012_ BG30013_
20 BG30021_ BG30022_ BG30023_
25-30 BG30031_ BG30032_ BG30033_
35-60 G30060-1C_ G30060-2C_ G30060-2C_
For additional information on the BG and G Series of Class G
fuse blocks, see data sheet No. 1006.
Current-limitation curves:
B60
30
20
15
A
10,000
1000
100
100
1000
10,000
100,000
Instantaneous peak-let-through current in amps
RMS symmetrical currents in amps
A - B = Asymmetrical Available peak (2.3 x Sym. RMS amps)
Amp rating
Eaton and Bussmann 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.
NEC is a registered trademark of the
National Fire Protection Association, Inc.
UL is a registered trademark of the
Underwriters Laboratories, Inc.
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
© 2015 Eaton
All Rights Reserved
Printed in USA
Publication No. 1024 – BU-SB13733
December 2015
For Eaton’s Bussmann series
product information,
call 1-855-287-7626 or visit:
Eaton.com/bussmannseries
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