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Fuse Datasheet
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LA30QS ALTERNATE DIMENSION SEMICONDUCTOR FUSES
300 VAC • Very Fast-Acting • 35-4500 A
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 AC: 300 V
DC: 300 V
Interrupting Rating 200 kA
Ampere Range 35 – 4500 A
Approvals UL Recognized
Web Resources
For additional information, visit: littelfuse.com/la30qs
AMPERE
RATING
CATALOG
NUMBER
MOUNTING
TYPE
MAXIMUM
CLEARING I
2
t
@300 VAC
(A
2
s X 10
3
)
WATTS LOSS
@ RATED
CURRENT
(W)
35 LA30QS35-4 4 0.9 6.4
40 LA30QS40-4 4 1.2 7
50 LA30QS50-4 4 2 9.9
60 LA30QS60-4 4 2.7 11.6
70 LA30QS70-4 4 1.6 11
80 LA30QS80-4 4 2.6 11
90 LA30QS90-4 4 3.2 13
100 LA30QS100-4 4 4.1 13
100 LA30QS100-4TI 4TI 4.1 13
125 LA30QS125-4 4 6.3 16
130 LA30QS130-4 4 6.3 16
150 LA30QS150-4 4 9.3 19
150 LA30QS150-4TI 4TI 9.3 19
175 LA30QS175-4 4 10 27
200 LA30QS200-4 4 15 30
200 LA30QS200-4TI 4TI 15 30
225 LA30QS225-4 4 22 33
250 LA30QS250-4 4 25 41
250 LA30QS250-4TI 4TI 25 41
300 LA30QS300-4 4 37 47
300 LA30QS300-4TI 4TI 37 47
350 LA30QS350-4 4 62 49
400 LA30QS400-4 4 83 56
400 LA30QS400-4IL 4IL 83 56
400 LA30QS400-4TI 4TI 83 56
450 LA30QS450-4 4 130 53
AMPERE
RATING
CATALOG
NUMBER
MOUNTING
TYPE
MAXIMUM
CLEARING I
2
t
@300 VAC
(A
2
s X 10
3
)
WATTS LOSS
@ RATED
CURRENT
(W)
500 LA30QS500-4 4 160 59
550 LA30QS550-4 4 190 65
600 LA30QS600-4 4 230 69
600 LA30QS600-4TI 4TI 230 69
600 LA30QS600-4IL 4IL 230 69
700 LA30QS700-4 4 260 90
700 LA30QS700-128 128 260 73
800 LA30QS800-4 4 330 108
800 LA30QS800-4IL 4IL 330 108
800 LA30QS800-128 128 330 84
1000 LA30QS1000-128 128 460 105
1000 LA30QS1000-128IL 128IL 460 105
1200 LA30QS1200-128 128 880 110
1500 LA30QS1500-128 128 1400 140
1500 LA30QS1500-128IL 128IL 1400 140
1600 LA30QS1600-128 128 1690 150
2000 LA30QS2000-128 128 2600 190
2000 LA30QS2000-128IL 128IL 2600 190
2500 LA30QS2500-128 128 4000 230
2500 LA30QS2500-128IL 128IL 4000 230
3000 LA30QS3000-128 128 4700 340
3500 LA30QS3500-128 128 6500 380
3500 LA30QS3500-128IL 128IL 6500 380
4000 LA30QS4000-128 128 8600 450
4500 LA30QS4500-128 128 11000 500
Figure 1 Figure 2
Figure 3 Figure 4
Dimensions for reference only.
AMPERE
RATING
MOUNTING
TYPE
FIGURE
NO.
DIMENSIONS INCHES (mm)
TAP
A B C D E F G H
35 – 60 4 1 3.19 (81.0) 0.81 (20.6) 1.63 (41.4) 2.50 (63.5) 2.25 (57.5) 0.34 (8.6) 0.72 (18.3) 0.13 (3.3) –
70 – 200 4 2 3.13 (79.5) 1.22 (31.0) 1.63 (41.4) 2.44 (62.0) 2.31 (58.7) 0.31 (7.9) 1.00 (25.4) 0.19 (4.8) –
225 – 800 4, 4IL* 2 3.84 (97.5) 1.50 (38.1) 1.59 (40.1) 2.91 (73.9) 2.2 8 (57.9) 0.41 (10.4) 1.00 (25.4) 0.25 (6.4) –
800 – 1200 128 3 2.59 (65.8) 3.00 (76.2) 2.34 (59.4) 2.50 (63.5) 1.50 (38.1) – – –
3
⁄
8
-24-
1
⁄
2
deep
1500 – 2500 128, 128IL* 4 2.59 (65.8) 3.50 (88.9) 2.34 (59.4) 3.00 (76.2) 1.50 (38.1) 1.50 (38.1) – –
3
⁄
8
-24-
1
⁄
2
deep
3000 – 4500 128, 128IL* 4 2.59 (65.8) 4.50 (114) 2.34 (59.4) 3.75 (95.3) 1.50 (38.1) 1.50 (38.1) – –
1
⁄
2
-20-
1
⁄
2
deep
*Optional Trigger Actuator (IL). Optional Trigger Indicator (TI) see web for dimensions.
Dimensions
LA30QS Series
(1 páginas)
(1 páginas)
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