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L15S001 Datasheet, PDF (4/8 Pages) Littelfuse – Traditional Semiconductor Fuses
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POWR-GARD® Fuse Datasheet
LA30QS Alternate dimension Semiconductor Fuses
300 VAC • Very Fast-Acting • 35-4500 A
LA30QS Series
Ampere
Rating
35
40
50
60
70
80
90
100
100
125
130
150
150
175
200
200
225
250
250
300
300
350
400
400
400
450
Catalog
Number
LA30QS35-4
LA30QS40-4
LA30QS50-4
LA30QS60-4
LA30QS70-4
LA30QS80-4
LA30QS90-4
LA30QS100-4
LA30QS100-4TI
LA30QS125-4
LA30QS130-4
LA30QS150-4
LA30QS150-4TI
LA30QS175-4
LA30QS200-4
LA30QS200-4TI
LA30QS225-4
LA30QS250-4
LA30QS250-4TI
LA30QS300-4
LA30QS300-4TI
LA30QS350-4
LA30QS400-4
LA30QS400-4IL
LA30QS400-4TI
LA30QS450-4
Maximum Watts Loss
Mounting Clearing I2t @ Rated
Type
@300 VAC Current
(A2s x 103)
(W)
4
0.9
6.4
4
1.2
7
4
2
9.9
4
2.7
11.6
4
1.6
11
4
2.6
11
4
3.2
13
4
4.1
13
4TI
4.1
13
4
6.3
16
4
6.3
16
4
9.3
19
4TI
9.3
19
4
10
27
4
15
30
4TI
15
30
4
22
33
4
25
41
4TI
25
41
4
37
47
4TI
37
47
4
62
49
4
83
56
4IL
83
56
4TI
83
56
4
130
53
Ampere
Rating
500
550
600
600
600
700
700
800
800
800
1000
1000
1200
1500
1500
1600
2000
2000
2500
2500
3000
3500
3500
4000
4500
Maximum Watts Loss
Catalog Mounting Clearing I2t @ Rated
Number
Type
@300 VAC Current
(A2s x 103)
(W)
LA30QS500-4
4
160
59
LA30QS550-4
4
190
65
LA30QS600-4
4
230
69
LA30QS600-4TI
4TI
230
69
LA30QS600-4IL
4IL
230
69
LA30QS700-4
4
260
90
LA30QS700-128
128
260
73
LA30QS800-4
4
330
108
LA30QS800-4IL
4IL
330
108
LA30QS800-128
128
330
84
LA30QS1000-128
128
460
105
LA30QS1000-128IL 128IL
460
105
LA30QS1200-128
128
880
110
LA30QS1500-128
128
1400
140
LA30QS1500-128IL 128IL
1400
140
LA30QS1600-128
128
1690
150
LA30QS2000-128
128
2600
190
LA30QS2000-128IL 128IL
2600
190
LA30QS2500-128
128
4000
230
LA30QS2500-128IL 128IL
4000
230
LA30QS3000-128
128
4700
340
LA30QS3500-128
128
6500
380
LA30QS3500-128IL 128IL
6500
380
LA30QS4000-128
128
8600
450
LA30QS4500-128
128
11000
500
Description
Littelfuse LA30QS series Semiconductor protection fuses
are intended for the protection of Power Semiconductors
such as diodes, phase control SCR’s and other power
semiconductor devices. The LA30QS is recommended
for new applications providing solutions for your critical
protection needs for 300V and less semiconductors.
Specifications
Voltage Rating
Interrupting Rating
Ampere Range
Approvals
AC: 300 V
DC: 300 V
200 kA
35 – 4500 A
UL Recognized
Web Resources
For additional information, visit: littelfuse.com/la30qs
Figure 1
Figure 3
Figure 2
Figure 4
Dimensions
Dimensions for reference only.
Ampere
RATING
35 – 60
70 – 200
225 – 800
800 – 1200
1500 – 2500
3000 – 4500
MountING
Type
4
4
4, 4IL*
128
128, 128IL*
128, 128IL*
FigURE
No.
1
2
2
3
4
4
A
3.19 (81.0)
3.13 (79.5)
3.84 (97.5)
2.59 (65.8)
2.59 (65.8)
2.59 (65.8)
B
0.81 (20.6)
1.22 (31.0)
1.50 (38.1)
3.00 (76.2)
3.50 (88.9)
4.50 (114)
Dimensions Inches (mm)
C
D
E
F
1.63 (41.4) 2.50 (63.5) 2.25 (57.5) 0.34 (8.6)
1.63 (41.4) 2.44 (62.0) 2.31 (58.7) 0.31 (7.9)
1.59 (40.1) 2.91 (73.9) 2.28 (57.9) 0.41 (10.4)
2.34 (59.4) 2.50 (63.5) 1.50 (38.1)
–
2.34 (59.4) 3.00 (76.2) 1.50 (38.1) 1.50 (38.1)
2.34 (59.4) 3.75 (95.3) 1.50 (38.1) 1.50 (38.1)
*Optional Trigger Actuator (IL). Optional Trigger Indicator (TI) see web for dimensions.
G
0.72 (18.3)
1.00 (25.4)
1.00 (25.4)
–
–
–
H
0.13 (3.3)
0.19 (4.8)
0.25 (6.4)
–
–
–
Tap
–
–
–
3⁄8-24-1⁄2 deep
3⁄8-24-1⁄2 deep
1⁄2-20-1⁄2 deep
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