L15S1 Datasheet, PDF (8/9 Pages) Littelfuse – Traditional Semiconductor Fuses Very Fast-Acting 1 – 1200 Amperes

POWR-GARD^® Fuse Datasheet
Special Purpose
Alternate dimension Semiconductor Fuses
700 VAC/VDC • Very Fast-Acting • 35-800 Amperes
LA70QS Series Semiconductor Fuses
Ampere
Rating
Littelfuse
Catalog
Number
35
LA70QS35-4
40
LA70QS40-4
50
LA70QS50-4
60
LA70QS60-4
70
LA70QS70-4
80
LA70QS80-4
90
LA70QS90-4
100 LA70QS100-4
125 LA70QS125-4
125 LA70QS125-4K
150 LA70QS150-4
150 LA70QS150-4K
175 LA70QS175-4
175 LA70QS175-4K
Mounting
Type
Maximum
Clearing I²t @700
VAC
(A²S x 10³)
Watts Loss
@ Rated
Current (W)
4
0.47
6.2
4
0.58
7.5
4
0.88
9.8
4
1.2
12
4
1.8
15
4
2.3
16
4
3
20
4
3.6
24
4
6.9
22
4K
6.9
22
4
11
28
4K
11
29
4
14
35
4K
14
35
Ampere
Rating
Littelfuse
Catalog
Number
200 LA70QS200-4
200 LA70QS200-4K
250 LA70QS250-4
300 LA70QS300-4
350 LA70QS350-4
400 LA70QS400-4
450 LA70QS450-4
450 LA70QS450-4K
500 LA70QS500-4
500 LA70QS500-4K
600 LA70QS600-4
600 LA70QS600-4K
700 LA70QS700-4
800 LA70QS800-4
Mounting
Type
Maximum
Clearing I²t @700
VAC
(A²S x 10³)
Watts Loss
@ Rated
Current (W)
4
19
41
4
19
41
4
42
42
4
55
53
4
72
64
4
99
75
4
125
75
4K
125
75
4
150
92
4K
160
92
4
222
116
4K
222
116
4
332
125
4
433
143
Specifications
Voltage Rating:

Interrupting Rating:

Ampere Range:
Approvals:

AC: 700 V
DC: 700 V
AC: 200 kA
DC: 100 kA
35 – 800 A
UL Recognized
CSA Certified
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/la70qs
Dimensions in inches (mm)
Amperes
Mounting
Type
A
35 – 100
4
4.38
(111)
125 – 200
4
4.38
(111)
125 – 200
4K
5.09
(129)
225 – 400
4
5.09
(129)
450 – 600
4
5.09
(129)
450 – 600
4K
7.09
(180)
700 – 800
4
7.09
(180)
Contact Littelfuse for characteristic curves.
B
1.00
(25.4)
1.22
(31.0)
1.22
(31.0)
1.50
(38.1)
2.00
(50.8)
2.00
(50.8)
2.50
(63.5)
C
2.88
(73)
2.88
(73)
2.88
(73)
2.84
(72.2)
2.84
(72.2)
2.84
(72.2)
2.84
(72.2)
Dimensions in Inches (mm)
D
3.69
(93.6)
3.69
(93.6)
4.19
(106)
4.16
(106)
4.16
(106)
6.16
(156)
5.28
(134)
E
3.50
(88.9)
3.56
(90.5)
3.50
(88)
3.53
(89.7)
3.53
(89.7)
3.53
(89.7)
4.91
(125)
F
0.31
(7.9)
0.31
(7.9)
0.41
(10.3)
0.40
(10.3)
0.41
(10.3)
0.53
(13.5)
0.53
(13.5)
Dimensions for reference only.
G
H
0.75
0.13
(19.0)
(3.2)
1.00
0.19
(25.4)
(4.8)
1.00
0.19
(25.4)
(4.8)
1.50
0.25
(38.1)
(6.4)
1.50
0.25
(38.1)
(6.4)
1.50
0.25
(38.1)
(6.4)
2.00
0.38
(50.8)
(9.5)
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©June 2011 Littelfuse