L15S1 Datasheet, PDF (6/9 Pages) Littelfuse – Traditional Semiconductor Fuses Very Fast-Acting 1 – 1200 Amperes

POWR-GARD^® Fuse Datasheet
Special Purpose
Alternate dimension Semiconductor Fuses
500 VAC • Very Fast-Acting • 35-1200 Amperes
LA50QS Series
Ampere
Rating
35
40
50
60
70
80
90
100
125
150
175
200
225
Littelfuse
Catalog
Number
LA50QS35-4
LA50QS40-4
LA50QS50-4
LA50QS60-4
LA50QS70-4
LA50QS80-4
LA50QS90-4
LA50QS100-4
LA50QS125-4
LA50QS150-4
LA50QS175-4
LA50QS200-4
LA50QS225-4
Mounting
Type
Maximum
Clearing I²t @500
VAC
(A²S x 10³)
Watts Loss
@ Rated
Current (W)
4
0.56
6
4
0.69
7
4
1.1
8
4
1.8
10
4
1.9
12
4
2.6
14
4
3.6
15
4
4.4
17
4
5.6
21
4
9
25
4
15
29
4
20
33
4
25
37
Ampere
Rating
250
300
350
400
450
500
600
700
800
900
1000
1200
Littelfuse
Catalog
Number
LA50QS250-4
LA50QS300-4
LA50QS350-4
LA50QS400-4
LA50QS450-4
LA50QS500-4
LA50QS600-4
LA50QS700-4
LA50QS800-4
LA50QS900-4
LA50QS1000-4
LA50QS1200-4
Mounting
Type
Maximum
Clearing I²t @500
VAC
(A²S x 10³)
Watts Loss
@ Rated
Current (W)
4
29
41
4
55
49
4
88
57
4
98
65
4
130
69
4
160
77
4
220
92
4
270
110
4
360
130
4
500
140
4
560
160
4
930
175
Specifications
Voltage Rating:

Interrupting Rating:

Ampere Range:
Approvals:

AC: 500 V
DC: 500 V
AC: 200 kA
DC: 100 kA
35 – 1200 A
UL Recognized
CSA Certified
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/la50qs
Dimensions
Ampere
RATING
35 – 100
MountING
Type
4
125 – 200
4
225 – 400
4
450 – 600
4
700 – 800
4
900 – 1200
4
Contact Littelfuse for characteristic curves.
A
3.63
(92.2)
3.63
(92.2)
4.34
(110)
4.47
(114)
6.47
(164.3)
6.97
(177.0)
B
1.00
(25.4)
1.22
(31.0)
1.50
(38.1)
2.00
(50.8)
2.50
(63.5)
3.00
(76.2)
C
2.13
(54.1)
2.13
(54.1)
2.09
(53.1)
2.22
(56.4)
2.22
(56.4)
3.22
(81.8)
Dimensions in Inches (mm)
D
E
2.94
(74.7)
2.94
(74.7)
3.41
(86.6)
3.53
(89.7)
5.00
(127.0)
2.75
(69.9)
2.81
(71.4)
2.78
(70.6)
2.91
(73.9)
3.44
(87.3)
5.47
(138.9)
4.47
(113.5)
F
0.31
(7.9)
0.31
(7.9)
0.41
(10.4)
0.41
(10.4)
0.53
(13.5)
0.63
(15.9)
Dimensions for reference only.
G
H
0.75
0.13
(19.1)
(3.3)
1.00
0.19
(25.4)
(4.8)
1.00
0.25
(25.4)
(6.4)
1.50
0.25
(38.1)
(6.4)
1.50
0.25
(38.1)
(6.4)
2.38
0.44
(60.3)
(11.1)
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