L25S300.V Littelfuse Inc, L25S300.V Datasheet - Page 10

• Manufacturer Part Number: L25S300.V
• Description: FUSE FAST SEMICONDUCTOR 300A 250
• Manufacturer: Littelfuse Inc
• Series: L25Sr

Specifications of L25S300.V

• Voltage - Rated: 250VAC, 200VDC
• Current: 300A
• Fuse Type: Fast Acting
• Package / Case: Bolt Mount
• Size / Dimension: 1.500" Dia x 3.843" L (38.10mm x 97.60mm)
• Mounting Type: Bolt Mount
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
• Color: -
• Operating Temperature: -

LA50QS Semiconductor Fuses
500 VAC • Very Fast Acting • 35 – 1200 Amperes
Catalog Numbers & Technical Data
© 2005 Littelfuse
Dimensions
Contact Littelfuse for characteristic curves.
Ampere
Rating
100
200
225
125
150
175
35
40
50
60
70
80
90
900 – 1200
Amperes
125 – 200
225 – 400
450 – 600
700 – 800
35 – 100
LA50QS200-4
LA50QS100-4
LA50QS125-4
LA50QS150-4
LA50QS175-4
LA50QS225-4
LA50QS35-4
LA50QS40-4
LA50QS50-4
LA50QS60-4
LA50QS70-4
LA50QS80-4
LA50QS90-4
Littelfuse
Number
Catalog
•
POWR-GARD
Mount.
Type
4
4
4
4
4
4
Mounting
™
Type
Products Catalog
4
4
4
4
4
4
4
4
4
4
4
4
4
Clearing I
(164.3)
VAC (A
(177.0)
(92.2)
(92.2)
3.63
3.63
4.34
(110)
4.47
(114)
6.47
6.97
A
Maximum
0.56
0.69
1.8
1.9
2.6
3.6
4.4
5.6
1.1
20
25
15
9
2
S x 10
2
t @500
3
)
(50.8)
(63.5)
(25.4)
(31.0)
(38.1)
(76.2)
1.00
1.22
1.50
2.00
2.50
3.00
B
Current (W)
Watts Loss
@ Rated
w w w . l i t t e l f u s e . c o m
10
12
14
15
17
21
25
29
33
37
6
7
8
Special Purpose Fuses
(54.1)
(54.1)
(53.1)
(56.4)
(56.4)
(81.8)
2.09
2.22
2.22
3.22
2.13
2.13
C
Dimensions in Inches (mm in parentheses)
Ampere
Rating
1000
(138.9)
1200
(127.0)
(86.6)
250
300
350
400
450
500
600
700
800
900
(74.7)
(74.7)
(89.7)
2.94
2.94
3.53
5.00
5.47
3.41
D
LA50QS1000-4
LA50QS1200-4
LA50QS250-4
LA50QS300-4
LA50QS350-4
LA50QS400-4
LA50QS450-4
LA50QS500-4
LA50QS600-4
LA50QS700-4
LA50QS800-4
LA50QS900-4
Littelfuse
Catalog
Number
(113.5)
(69.9)
(70.6)
(73.9)
(71.4)
(87.3)
2.75
2.81
2.78
2.91
3.44
4.47
E
Mounting
Type
4
4
4
4
4
4
4
4
4
4
4
4
(10.4)
(10.4)
(13.5)
(15.9)
0.31
0.31
0.53
0.63
(7.9)
(7.9)
0.41
0.41
F
Clearing I
VAC (A
Maximum
130
160
220
270
360
500
560
930
Dimensions for reference only.
29
55
88
98
2
S x 10
2
(60.3)
(25.4)
(25.4)
(38.1)
(38.1)
t @500
(19.1)
0.75
1.00
1.00
1.50
1.50
2.38
G
3
)
Current (W)
Watts Loss
@ Rated
(11.1)
130
140
160
175
(3.3)
(4.8)
0.25
(6.4)
0.25
(6.4)
0.25
(6.4)
0.44
110
0.13
0.19
41
49
57
65
69
77
92
H
93