Bussmann SC Data Sheet
Time-Delay Fuses SC
Class G – 600 Volt, ⁄Ω™ - 20 Amps
480 Volt, 25 - 60 Amps
Form No. SC
Page 1 of 3
Data Sheet: 1024
Bussmann
®
Catalog Numbers
SC-⁄Ω™ SC-6 SC-25
SC-1 SC-7 SC-30
SC-1⁄Ω™ SC-8 SC-35
SC-2 SC-9 SC-40
SC-2⁄Ω™ SC-10 SC-45
SC-3 SC-12 SC-50
SC-4 SC-15 SC-60
SC-5 SC-20 —
Dimensional Data
Catalog Symbol: SC
Current-Limiting
Ampere Rating:
⁄Ω™ to 60A (fast-acting),
7 to 60A (time-delay)
Voltage Ratings:
SC ⁄Ω™ to 20 600Vac, 170Vdc
SC 25 to 60 480Vac, 300Vdc
Interrupting Rating: 100,000A RMS Sym. AC, 10,000A dc
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
Carton Quantity and Weight
Catalog Carton
Weight†
Number Qty. Lbs. Kg.
⁄Ω™–15 4 0.060 0.0272
20 4 0.064 0.029
25–30 2 0.040 0.018
35–60 2 0.075 0.0340
†Weight per carton.
Fuse (Amps) A
SC-⁄Ω™ to 15 1.31∑
SC-20 1.41∑
SC-25 to 30 1.62∑
SC-35 to 60 2.25∑
General Information:
• Compact branch-circuit units with high interrupting rating
and current-limitation.
• With 600V rating, they can be used in 120/208, 120/240
and 277/480V circuits.
• Length variations relative to case size make the “rejection”
type fuses.
• In general, SC fuses are about
⁄Ω£ the size of the 600V NEC
fuse type.
• SC fuses with ampere ratings above 6A have a
degree of overload time-delay which permits them to pass
temporary overloads. At 200% load, they have a minimum
opening time of 12 seconds.
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 636-527-1270 for more information.
4-01-04
SB04105
Recommended fuseblocks/fuseholders for
Class G fuses
See Data Sheets listed below
• Open fuseblocks - 1106
• In-line fuseholders - 1123, 1124
A
(Length)
.41"
(10.3mm)
Time-Delay Fuses SC
Class G – 600 Volt, ⁄Ω™ - 20 Amps
480 Volt, 25 - 60 Amps
Form No. SC
Page 2 of 3
Data Sheet: 1024
Bussmann
®
Peak Let-Through Curves
B
60
30
20
15
AMPERE
RATING
A
10,000
1,000
100
100
1,000
10,000
100,000
INSTANTANEOUS PEAK LET-THROUGH
CURRENT IN AMPS
RMS SYMMETRICAL CURRENTS IN AMPERES
A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 X SYMM RMS AMPS)
4-01-04
SB04105
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