Page 1
POWR-GARD® Fuse Datasheet
QP
L
CLASS J – JLS SERIES FUSES
600 VAC • Fast-Acting • 1-600 A
Ordering Information
AMPERE R ATINGS
1 20 45 90 175 350
3 25 50 100 200 400
6 30 60 110 225 450
10 35 70 125 250 500
15 40 80 150 300 600
Description
JLS series fuses provide space saving, fast-acting overload
and short-circuit protection for non-inductive loads.
For ap pli ca tions where short-duration surg es and spikes may
cause nuisance fuse opening, consider the use of Littelfuse
POWR-PRO
®
JTD or JTD_ID series time-delay fuses.
Applications
• General purpose circuits with little or no motor load.
• Resistive loads, such as resistance electric heat.
• Loads requiring fast-acting overload protection, such as
equipment containing solid-state devices.
TYPE SERIES AMPER AGE
NON-INDICATING JLS 110 JL S110 0JL S110. X
CATA LOG
NUMBER
ORDERING
NUMBER
Web Resources
TC curves, downloadable CAD drawings and other technical
information: Littelfuse.com/jls
Recommended Fuse Holders
LFJ60 Series (cover is not comp atible with JLS series fuses)
LFPSJ Series (
8
⁄
10
–60 A)
Peak Let-Thru Curve
JLS
1000000
100000
600 A
400 A
200 A
10000
100 A
60 A
30 A
Specifications
Voltage Ratings 600 VAC
PEAK LET-THRU IN AMPERES
1000
Interrupting Ratings 200 kA rms symmetrical
Ampere Range 1–600 A
Approvals Standard 248-8, Class J
UL Listed (File: E81895)
CSA Certified (File: LR29862)
Federal Specification WF-1814
(QPL-W-F-1814)
Dimensions
100
100
1000
AVAILABLE FAULT CURRENT
SYMMETRICAL R. M. S. AMPERES
10000
100000
200000
Please refer to the Class J dimensions on page 2
1 of 2
© 2012 Littelfuse POWR-GARD® Productswww.littelfuse.com
Rev: 100112
Page 2
POWR-GARD® Fuse Datasheet
CLASS J DIMENSIONS AND CURRENT-LIMITING EFFECTS
Dimensions Inches (mm)
C
G
D
F
A
A
B
C
D
Fig. 1
Fig. 2
Dimensions
AMPERES
1 – 30 1 2
35 – 60 1 23⁄8 (60.3) —
70 – 100 2 25⁄8 (66.7) 317⁄32 (89.7) 323⁄32 (94.5) 45⁄8 (117.5) 1 (25.4)
110 – 200 2 3 (76.2) 49⁄32 (108.7) 415⁄32 (113.5) 53⁄4 (14 6.1) 11⁄2 (3 8 .1) 11⁄8 (28.6)
225 – 400 2 3
450 – 600 2 33⁄4 (95.3) 527⁄32 (148.4) 65⁄32 (156.4) 8 (203.2) 21⁄2 (63.5) 2 (50.8)
REF ER TO
FIG. NO.
A B C D E F G H
1
⁄4 (5 7.2) —
3
⁄8 (85.7) 51⁄8 (130.2) 53⁄8 (136.5) 71⁄8 (181. 0) 2 (50.8) 15⁄8 (41.3)
1
⁄2 (12.7)
5
⁄8 (15.9) 11⁄16 (2 7.0) — — — —
DIMENSIONS INCHES (mm)
13
⁄16 (20.6) — — — —
3
⁄4 (19 .1)
9
⁄32 (7.1)
9
⁄32 (7.1)
13
⁄32 (10.3)
17
⁄32 (13.5)
H
E
1
⁄8 (3.2)
3
⁄16 (4.8)
1
⁄4 (6.4)
3
⁄8 (9.5)
2 of 2
© 2012 Littelfuse POWR-GARD® Productswww.littelfuse.com
Rev: 100112
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