POWR-GARD® Fuse Datasheet
CLASS J – JLS SERIES FUSES
Dimensions Inches (mm)
C
D
A
G
F
H
A
B
C
D
E
Fig. 2
Fig. 1
Dimensions
DIMENSIONS INCHES (mm)
REFER TO
AMPERES
FIG. NO.
A
B
C
D
E
F
G
H
1
1
13
4
2
8
16
16
1 – 30
35 – 60
70 – 100
110 – 200
225 – 400
450 – 600
1
1
2
2
2
2
2 ⁄ (57.2)
—
—
⁄
⁄
(12.7)
(15.9)
(94.5)
⁄
(20.6)
—
—
1 (25.4)
1 ⁄ (38.1)
2 (50.8)
—
—
(19.1)
—
—
—
—
⁄ (3.2)
(4.8)
(6.4)
(9.5)
3
5
1
8
2 ⁄ (60.3)
1 ⁄ (27.0)
5
17
5
3
9
9
1
8
323
⁄
4 ⁄ (117.5)
⁄
⁄
⁄
(7.1)
8
32
32
8
4
8
32
2 ⁄ (66.7)
3 ⁄ (89.7)
9
15
3
1
1
3
32
32
4
2
32
16
3 (76.2)
4 ⁄ (108.7)
5 ⁄ (130.2)
5 ⁄ (148.4)
4 ⁄ (113.5)
5 ⁄ (146.1)
1 ⁄ (28.6)
1 ⁄ (41.3)
2 (50.8)
(7.1)
⁄
3
1
3
1
5
13
1
3
8
8
8
8
8
32
32
4
3 ⁄ (85.7)
5 ⁄ (136.5)
7 ⁄ (181.0)
⁄
⁄
(10.3)
(13.5)
⁄
⁄
3
27
5
1
17
4
32
32
2
8
3 ⁄ (95.3)
6 ⁄ (156.4)
8 (203.2)
2 ⁄ (63.5)
Current-Limiting Effects of JLS (600V) Fuses
APPARENT RMS SYMMETRICAL CURRENT FOR VARIOUS FUSE RATINGS
SHORT CIRCUIT
CURRENT†
30 A
750
925
60 A
1,450
1,800
2,025
2,225
2,375
2,500
2,600
2,725
2,900
3,100
3,375
3,600
4,050
4,450
100 A
1,650
2,050
2,350
2,570
2,750
2,900
3,050
3,200
3,450
3,650
4,000
4,250
4,900
5,300
200 A
2,600
3,200
3,600
3,950
4,200
4,400
4,650
4,850
5,200
5,500
6,000
6,400
7,300
8,000
400 A
4,450
5,450
6,200
6,700
7,200
7,500
7,900
8,200
8,750
9,250
10,000
10,800
12,150
13,150
600 A
5,000
8,700
9,650
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
50,000
60,000
80,000
100,000
150,000
200,000
1,050
1,150
1,225
1,300
1,350
1,425
1,525
1,600
1,775
1,900
2,125
2,350
10,400
11,000
11,750
12,250
12,500
13,500
14,000
15,000
16,000
18,000
19,250
†Prospective RMS Symmetrical Amperes Short-Circuit Current
Note: Data derived from Peak Let-Thru Curves
© 2017 Littelfuse POWR-GARD® Products
Rev: 062617
2 of 3
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