250
300
300
300
350
350
400
400
400
450
450
500
500
600
600
800
1000
1000
1000
1000
1000
1200
1200
1500
1500
2000
2000
2500
2500
3000
3000
3500
4000
4000
5000
6000
LA15QS250-4TI
LA15QS300-4
LA15QS300-4IL
LA15QS300-4TI
LA15QS350-4
LA15QS350-4TI
LA15QS400-4
LA15QS400-4IL
LA15QS400-4TI
LA15QS450-4
LA15QS450-4IL
LA15QS500-4
LA15QS500-4IL
LA15QS600-4
LA15QS600-4IL
LA15QS800-4
LA15QS1000-4
LA15QS1000-4IL
LA15QS1000-4TI
LA15QS1000-128
LA15QS1000-128IL
LA15QS1200-128
LA15QS1200-128IL
LA15QS1500-128
LA15QS1500-128IL
LA15QS2000-128
LA15QS2000-128IL
LA15QS2500-128
LA15QS2500-128IL
LA15QS3000-128
LA15QS3000-128IL
LA15QS3500-128
LA15QS4000-128
LA15QS4000-128IL
LA15QS5000-128
LA15QS6000-128
4TI
4
4IL
4TI
4
4TI
4
4IL
4TI
4
4IL
4
4IL
4
4IL
4
4
4IL
4TI
128
128IL
128
128IL
128
128IL
128
128IL
128
128IL
128
128IL
128
128
128IL
128
128
15
22
22
22
32
32
40
40
40
50
50
90
90
130
130
290
520
520
520
540
540
680
680
1200
1200
1900
1900
3200
3200
4800
4800
6500
8500
8500
27
33
33
33
40
40
45
45
45
50
50
30
30
35
35
57
75
75
75
88
88
100
100
130
130
165
165
195
195
240
240
260
270
270
Contact Factory Contact Factory
Contact Factory Contact Factory
1
2
3
4
5
6
7
8
LA15QS1-2
LA15QS2-2
LA15QS3-2
LA15QS4-2
LA15QS5-2
LA15QS6-2
LA15QS7-2
LA15QS8-2
LA15QS10-2
LA15QS12-2
LA15QS15-2
LA15QS20-2
LA15QS25-2
LA15QS30-2
LA15QS35-1
LA15QS40-1
LA15QS40-4TI
LA15QS45-1
LA15QS50-1
LA15QS50-4
LA15QS55-1
LA15QS60-1
LA15QS70-4
LA15QS70-4TI
LA15QS80-4
LA15QS80-4TI
LA15QS90-4
LA15QS100-4
LA15QS100-4TI
LA15QS130-4
LA15QS130-4TI
LA15QS150-4
LA15QS150-4IL
LA15QS150-4TI
LA15QS200-4
LA15QS200-4IL
LA15QS250-4
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
0.0002
0.001
0.003
0.007
0.012
0.022
0.011
0.015
0.019
0.030
0.042
0.072
0.14
0.25
0.21
0.28
0.39
0.34
0.47
0.64
0.68
1.3
1.7
2.1
2.8
3.1
2.2
2.5
2.6
3
3
4
5.2
5.6
9
10
3.1
12
13
4
10
12
15
20
25
30
35
40
40
45
50
50
55
60
70
70
80
80
90
100
100
130
130
150
150
150
200
200
250
4TI
1
1
4
1
1
4
4TI
4
4TI
4
4
4TI
4
4TI
4
4IL
4TI
4
4IL
4
Contact Factory
0.94
2
2
2.5
2.5
3.1
3.6
3.6
5.3
5.3
6.8
6.8
6.8
9
9
15
Contact Factory
14
5.6
5.6
8
8
9
10
10
14
14
16
16
16
22
22
22
87
LA15QS Semiconductor Fuses
150 VAC
I
Very Fast-Acting
I
1 – 6000 Amperes
Ampere
Rating
Littelfuse
Catalog
Number
Catalog Numbers & Technical Data
Mounting
Type
Maximum
Clearing I
2
t
@150 VAC
(A
S x 10
3
)
Watts Loss
@ Rated
Current (W)
Ampere
Rating
Littelfuse
Catalog
Number
Mounting
Type
Maximum
Clearing I
2
t
@150 VAC
(A
S x 10
3
)
Watts Loss
@ Rated
Current (W)
1 – 30
2
1
1.50
(38.1)
2.00
(50.8)
2.66
(67.6)
3.50
(88.9)
1.88
(47.88)
1.88
(47.88)
1.88
(47.88)
2.38
(60.5)
.41
(10.4)
.81
(20.6)
1.13
(28.7)
1.50
(38.1)
2.00
(50.8)
3.00
(76.2)
3.50
(88.9)
5.75
(146)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
35 – 60
1
1
70 – 450
4, 4TI*, 4IL* 2, 3*
1.16
(29.5)
1.25
(31.8)
1.63
(41.4)
1.63
(41.4)
1.63
(41.4)
1.88
(47.7)
2.19
(55.6)
2.56
(65.0)
1.75
(44.5)
2.50
(63.5)
3.00
(76.2)
5.00
(127)
1.91
(48.5)
1.94
(49.3)
1.00
(25.4)
1.50
(38.1)
1.06
(27.0)
1.50
(38.1)
.31
(7.9)
.41
(10.4)
-
-
-
-
1.06
(27.0)
1.50
(38.1)
.88
(22.4)
1.00
(25.4)
-
-
-
-
-
-
-
-
.19
(4.8)
.25
(6.4)
-
-
-
-
-
-
-
-
500 – 1000
4, 4TI*, 4IL* 2, 3*
750 – 2000
128, 128IL* 4, 5*
3/8-24-1/2 deep
-
1/2-20-1/2 deep
-
1/2-20-1/2 deep
-
1/2-20-1/2 deep
-
2500 – 3000
128, 128IL* 4, 5*
3500 – 4000
128, 128IL* 6, 7*
5000 – 6000
128
8
AMPERES
MOUNT.
TYPE
DIMENSIONS
Dimensions for reference only.
FIG.
NO.
DIMENSIONS IN INCHES (mm in parentheses)
B
C
D
Tap
A
E
F
G
H
* Optional Trigger Actuator (IL)
FIGURE 1
FIGURE 2
FIGURE 3
FIGURE 4
FIGURE 5
FIGURE 6
FIGURE 7
FIGURE 8