General Purpose Fuses
SLC Class G Fuses
480 VAC, 600 VAC • Medium Time-Delay • 1/2 – 60 Amperes
Amperes
Refer to
Fig. No.
⁄ – 15
20
25, 30
35 – 60
1
1
1
1
General Purpose Fuses
12
Dimensions in Inches (mm in parentheses)
A
15 ⁄16 (33.3)
113 ⁄32 (35.7)
15 ⁄8 (41.3)
2 1⁄ 4 (57.2)
⁄
3 8
⁄
3 8
⁄
3 8
⁄
3 8
B
(9.5)
(9.5)
(9.5)
(9.5)
C
⁄ (7.1)
9 32
⁄ (7.1)
9 32
⁄ (7.1)
12
⁄ (12.7)
9 32
⁄
13 32
⁄
13 32
⁄
13 32
⁄
13 32
D
(10.3)
(10.3)
(10.3)
(10.3)
A
D
C
B
2A
3A
4A
5A
6A
8A
10A
12A
15A
20A
25A
30A
35A
40A
45A
50A
60A
1A
1/2A
Fig. 1
1000
800
600
400
300
200
100
80
60
10
8
6
4
3
2
1
.8
.6
.4
.3
.2
.1
.08
.06
.04
.03
44
6000
8000
10000
2000
3000
4000
30
40
600
800
1000
Note: For ap­pli­ca­tions where greater time-delay is re­quired, or where
ratings exceed 60 am­peres, con­sid­er se­lect­ing Littelfuse time-delay
Class RK1, RK5, J or CC fuses.
20
6
8
10
3
4
2
1
.01
200
.02
300
400
• Current-limiting – Reduces damage to equipment caused by heating
and magnetic effects of short-circuit currents.
• 100,000 A.I.R. – Reliable interruption of all overcurrents up to
100,000 amperes.
• Time-Delay – Allows fuses to be sized closer to actual equipment
requirements and may reduce downtime caused by power surges.
20
60
80
100
Features/Benefits
40
30
TIME IN SECONDS
The compact design of Littelfuse SLC series Class G fuses offers a cost
effective, space saving alternative to other fuse classes. The unique
design of the SLC series provides superior time-delay characteristics
over competitive products, which can increase system reliability and
minimize downtime. Class G fuses meet NEC requirements for branch
circuit protection and vary in length to prevent over-fusing when used
with the appropriate Class G fuse block.
CURRENT IN AMPERES
Specifications
Ampere Ratings
Voltage Ratings: 600 Volts AC (1⁄ 2 – 20A)
480 Volts AC (25 – 60A)
Interrupting Ratings: 100,000 amperes rms symmetrical
12
Ampere Range:
⁄ – 60 amperes
Ap­prov­als:
Standard 248-5, Class G
UL Listed (File No: E81895)
CSA Certified (File No: LR29862)
QPL: Federal Specification No: WF-1814
⁄
3
6
15
1
4
8
20
2
5
10
25
Example part number (series & amperage): SLC 10
531001
12
30
35
40
45
50
60
Recommended Fuse Blocks
LG300 series; L300G30 (for 25 and 30 amp fuses)
Refer to the Blocks & Holders section of this catalog for additional information.
www.littelfuse.com
© 2005 Littelfuse • POWR-GARD™ Products Catalog
Mouser Electronics
Authorized Distributor
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