© 2016 Littelfuse POWR-GARD
®
Productswww.littelfuse.com
Rev: 120716
2 of 2
POWR-GARD
®
Fuse Datasheet
CLASS J DIMENSIONS AND CURRENT-LIMITING EFFECTS
A
C
D
G
F
E
H
A
B
C
D
Fig. 1
Fig. 2
Dimensions Inches (mm)
AMPERES
REFER TO
FIG. NO.
DIMENSIONS INCHES (mm)
A B C D E F G H
1 – 30 1 2
1
⁄
4
(57.2) —
1
⁄
2
(12.7)
13
⁄
16
(20.6) — — — —
35 – 60 1 2
3
⁄
8
(60.3) —
5
⁄
8
(15.9) 1
1
⁄
16
(27.0) — — — —
70 – 100 2 2
5
⁄
8
(66.7) 3
17
⁄
32
(89.7) 3
23
⁄
32
(94.5) 4
5
⁄
8
(117.5) 1 (25.4)
3
⁄
4
(19.1)
9
⁄
32
(7.1)
1
⁄
8
(3.2)
110 – 200 2 3 (76.2) 4
9
⁄
32
(108.7) 4
15
⁄
32
(113.5) 5
3
⁄
4
(14 6.1) 1
1
⁄
2
(38.1) 1
1
⁄
8
(28.6)
9
⁄
32
(7.1)
3
⁄
16
(4.8)
225 – 400 2 3
3
⁄
8
(85.7) 5
1
⁄
8
(130.2) 5
3
⁄
8
(136.5) 7
1
⁄
8
(181.0) 2 (50.8) 1
5
⁄
8
(41.3)
13
⁄
32
(10.3)
1
⁄
4
(6.4)
450 – 600 2 3
3
⁄
4
(95.3) 5
27
⁄
32
(148.4) 6
5
⁄
32
(156.4) 8 (203.2) 2
1
⁄
2
(63.5) 2 (50.8)
17
⁄
32
(13.5)
3
⁄
8
(9.5)
Dimensions
Current-Limiting Effects of JTD_ID (600 V) Fuses
SHORT CIRCUIT
CURRENT
†
APPARENT RMS SYM MET RI CAL CURRENT FOR VARIOUS FUSE RATINGS
15 A 30 A 60 A 100 A 200 A 400 A 600 A
5,000 565 750 1,500 1,800 2,800 4,800 5,000
10,000 675 925 1,900 2,450 3,600 5,700 7,75 0
15,000 775 1,050 2,100 2,800 4,100 6,500 9,000
20,000 825 1,125 2,300 3,000 4,400 7,25 0 9,700
25,000 900 1,200 2,500 3,300 5,000 8,000 10,500
30,000 950 1,300 2,600 3,500 5,100 8,400 11,000
35,000 1,000 1,350 2,700 3,700 5,400 9,000 12,000
40,000 1,050 1,400 2,800 3,900 5,600 9,200 12,500
50,000 1,100 1,500 3,000 4,200 6,000 10,000 13,000
60,000 1,200 1,600 3,200 4,500 6,400 10,500 14,000
80,000 1,300 1,700 3,400 4,900 7,2 0 0 11,200 15,500
100,000 1,375 1,800 3,600 5,200 7,80 0 12,200 16,500
150,000 1,500 2,000 3,950 6,000 9,000 14,500 19,000
200,000 1,600 2,175 4,000 6,500 10,000 16,000 20,500
†Prospective RMS Symmetrical Amperes Short-Circuit Current
Note: Data derived from Peak Let-Thru Curves
