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Littelfuse
Littelfuse

LA30QS4500-128 Datasheet Preview

LA30QS4500-128 Datasheet

Special Purpose Fuses

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LA30QS4500-128 pdf
Special Purpose Fuses
LA30QS Semiconductor Fuses
300 VAC  •  Very Fast Acting  •  35 – 4500 Amperes
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.
Features
• Low I2t minimizes damage to protected components on short-circuit.
• Controlled arc voltage reduces stress to circuit components during
fuse clearing.
• Choice of mounting types provides options for unique termination
requirements.
• Indicator options allow identification of blown fuses.
• Superior DC capabilities.
Applications
Protection of 300 volt heavy duty rectifiers and similar heavy duty
power supplies.
Ordering Information
Contact Littelfuse for characteristic curves.
90
LA 30 QS 600 -4 TI
Littelfuse
Voltage
(300)
Style
Ampere Rating
Mounting Type
Ferrule
Blades/Bolt-in
Hockey Puck, bolt-in
1
4
128
Integral Blown-
Fuse Indicator
Trigger Indicator
Trigger Actuator
TI
IL
Note: Mounting types and integral blown fuse indicators are optional for
specified ratings.
Specifications
Voltage Rating:
Interrupting Rating:
Ampere Range:
Approvals:
AC: 300 volts
DC: 300 volts
200,000 Amperes
35 – 4500 Amperes
UL Recognized under the components program.
www.littelfuse.com
© 2005 Littelfuse POWR-GARDProducts Catalog



Littelfuse
Littelfuse

LA30QS4500-128 Datasheet Preview

LA30QS4500-128 Datasheet

Special Purpose Fuses

No Preview Available !

LA30QS4500-128 pdf
Special Purpose Fuses
LA30QS Semiconductor Fuses
300 VAC  •  Very Fast Acting  •  35 – 4500 Amperes
Catalog Numbers & Technical Data
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
Littelfuse
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
Mounting
Type
4
4
4
4
4
4
4
4
4TI
4
4
4
4TI
4
4
4TI
4
4
4TI
4
4TI
4
4
4IL
4TI
4
Maximum
Clearing I2t
@300 VAC
(A2S x 103)
0.9
1.2
2
2.7
1.6
2.6
3.2
4.1
4.1
6.3
6.3
9.3
9.3
10
15
15
22
25
25
37
37
62
83
83
83
130
Watts Loss
@ Rated
Current (W)
6.4
7
9.9
11.6
11
11
13
13
13
16
16
19
19
27
30
30
33
41
41
47
47
49
56
56
56
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
Littelfuse
Catalog
Number
LA30QS500-4
LA30QS550-4
LA30QS600-4
LA30QS600-4TI
LA30QS600-4IL
LA30QS700-4
LA30QS700-128
LA30QS800-4
LA30QS800-4IL
LA30QS800-128
LA30QS1000-128
LA30QS1000-128IL
LA30QS1200-128
LA30QS1500-128
LA30QS1500-128IL
LA30QS1600-128
LA30QS2000-128
LA30QS2000-128IL
LA30QS2500-128
LA30QS2500-128IL
LA30QS3000-128
LA30QS3500-128
LA30QS3500-128IL
LA30QS4000-128
LA30QS4500-128
Mounting
Type
4
4
4
4TI
4IL
4
128
4
4IL
128
128
128IL
128
128
128IL
128
128
128IL
128
128IL
128
128
128IL
128
128
Maximum
Clearing I2t
@300 VAC
(A2S x 103)
160
190
230
230
230
260
260
330
330
330
460
460
880
1400
1400
1690
2600
2600
4000
4000
4700
6500
6500
8600
11000
Watts Loss
@ Rated
Current (W)
59
65
69
69
69
90
73
108
108
84
105
105
110
140
140
150
190
190
230
230
340
380
380
450
500
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
TAP
F
1.17
[ 29.8 mm ]
C
A
0.50
[ 12.8 mm ]
E
D
B
Dimensions
Amperes Mount. Type
35 – 60
70 – 200
4
4
225 – 700
700 – 1200
1500 – 2500
3000 – 4500
4, 4IL*
128
128, 128IL*
128, 128IL*
* Optional Actuator (IL)
Fig. No.
1
2
2, 3*
4
5, 6*
5, 6*
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 in Inches (mm in parentheses)
CDE 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)
Dimensions for reference only.
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
38-24-12 deep
38-24-12 deep
12-20-12 deep
© 2005 Littelfuse POWR-GARDProducts Catalog
www.littelfuse.com
91


Part Number LA30QS4500-128
Description Special Purpose Fuses
Maker Littelfuse
Total Page 2 Pages
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LA30QS4500-128 Datasheet PDF
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