Special Purpose Fuses
Square Body Semiconductor Fuses
700/1300 VAC • Very Fast-Acting • 40 – 2500 Amperes
700 Volt North American Style Ratings and Application Data
Total I2t
@ Rated
Voltage
**Watts
Loss @ Rated
Current
Long Blade
Catalog No.
Type LI
Short Blade
Catalog No.
Type KI
Tapped Terminal
Catalog No.
Type TTI
Amp
Rating
Rated
Voltage
Melting I2t
(A2S x 103)
Body Size
(A2S x 103)
(W)
63
80
100
125
160
200
250
315
350
400
450
500
550
200
250
315
350
400
450
500
550
630
700
800
400
450
500
550
630
700
800
900
1000
1100
1250
1400
1600
1800
500
550
630
700
800
900
1000
1100
1250
1400
1600
1800
2000
2250
2500
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
700
650
600
550
550
500
700
700
700
700
700
700
700
700
700
700
650
650
600
550
500
0.2
0.33
0.47
0.85
1.6
3
5.8
12
15.5
23
1.2
1.9
2.7
4.9
9.2
16.7
32.4
67
14
19
26
30
LA070URD30LI0063
LA070URD30LI0080
LA070URD30LI0100
LA070URD30LI0125
LA070URD30LI0160
LA070URD30LI0200
LA070URD30LI0250
LA070URD30LI0315
LA070URD30LI0350
LA070URD30LI0400
LA070URD30LI0450
LA070URD30LI0500
LA070URD30LI0550
LA070URD31LI0200
LA070URD31LI0250
LA070URD31LI0315
LA070URD31LI0350
LA070URD31LI0400
LA070URD31LI0450
LA070URD31LI0500
LA070URD31LI0550
LA070URD31LI0630
LA070URD31LI0700
LA070URD31LI0800
LA070URD32LI0400
LA070URD32LI0450
LA070URD32LI0500
LA070URD32LI0550
LA070URD32LI0630
LA070URD32LI0700
LA070URD32LI0800
LA070URD32LI0900
LA070URD32LI1000
LA065URD32LI1100
LA060URD32LI1250
LA055URD32LI1400
LA055URD32LI1600
LA050URD32LI1800
LA070URD33LI0500
LA070URD33LI0550
LA070URD33LI0630
LA070URD33LI0700
LA070URD33LI0800
LA070URD33LI0900
LA070URD33LI1000
LA070URD33LI1100
LA070URD33LI1250
LA070URD33LI1400
LA065URD33LI1600
LA065URD33LI1800
LA060URD33LI2000
LA050URD33LI2250
LA050URD33LI2500
LA070URD30KI0063
LA070URD30KI0080
LA070URD30KI0100
LA070URD30KI0125
LA070URD30KI0160
LA070URD30KI0200
LA070URD30KI0250
LA070URD30KI0315
LA070URD30KI0350
LA070URD30KI0400
LA070URD30KI0450
LA070URD30KI0500
LA070URD30KI0550
LA070URD31KI0200
LA070URD31KI0250
LA070URD31KI0315
LA070URD31KI0350
LA070URD31KI0400
LA070URD31KI0450
LA070URD31KI0500
LA070URD31KI0550
LA070URD31KI0630
LA070URD31KI0700
LA070URD31KI0800
LA070URD32KI0400
LA070URD32KI0450
LA070URD32KI0500
LA070URD32KI0550
LA070URD32KI0630
LA070URD32KI0700
LA070URD32KI0800
LA070URD32KI0900
LA070URD32KI1000
–
LA070URD30TTI0063
LA070URD30TTI0080
LA070URD30TTI0100
LA070URD30TTI0125
LA070URD30TTI0160
LA070URD30TTI0200
LA070URD30TTI0250
LA070URD30TTI0315
LA070URD30TTI0350
LA070URD30TTI0400
LA070URD30TTI0450
LA070URD30TTI0500
LA070URD30TTI0550
LA070URD31TTI0200
LA070URD31TTI0250
LA070URD31TTI0315
LA070URD31TTI0350
LA070URD31TTI0400
LA070URD31TTI0450
LA070URD31TTI0500
LA070URD31TTI0550
LA070URD31TTI0630
LA070URD31TTI0700
LA070URD31TTI0800
LA070URD32TTI0400
LA070URD32TTI0450
LA070URD32TTI0500
LA070URD32TTI0550
LA070URD32TTI0630
LA070URD32TTI0700
LA070URD32TTI0800
LA070URD32TTI0900
LA070URD32TTI1000
LA065URD32TTI1100
LA060URD32TTI1250
LA055URD32TTI1400
LA055URD32TTI1600
LA050URD32TTI1800
LA070URD33TTI0500
LA070URD33TTI0550
LA070URD33TTI0630
LA070URD33TTI0700
LA070URD33TTI0800
LA070URD33TTI0900
LA070URD33TTI1000
LA070URD33TTI1100
LA070URD33TTI1250
LA070URD33TTI1400
LA065URD33TTI1600
LA065URD33TTI1800
LA060URD33TTI2000
LA055URD33TTI2250
LA050URD33TTI2500
37
42 ⁄ 43
48 ⁄ 50
53 ⁄ 55
57 ⁄ 60
60 ⁄ 65
80 ⁄ 88
80 ⁄ 88
80 ⁄ 90
45
52
65
67
68
30
86
130
165
264
330
14.6
27
43
59
110
150
210
300
421
530
880
86
124
157
211
302
432
648
972
1350
1620
2100
2600
4000
4400
108
151
227
324
529
760
970
1360
2000
2700
3250
4330
5000
5900
7600
26
41
52
2.5
4.7
7.5
10.5
19
26.5
37
52
75
95
140
15
22
28
37
54
76
115
170
240
270
410
555
870
1050
19
31
70
70 ⁄ 72
70 ⁄ 75
75 ⁄ 85
85 ⁄ 95
105 ⁄ 120
72 ⁄ 75
77 ⁄ 80
85 ⁄ 90
90 ⁄ 95
95 ⁄ 105
100 ⁄ 110
110 ⁄ 120
110 ⁄ 125
115 ⁄ 135
140 ⁄ 165
150 ⁄ 180
160 ⁄ 190
165 ⁄ 195
195 ⁄ 330
105
105 ⁄ 110
110 ⁄ 120
115 ⁄ 125
120 ⁄ 130
120 ⁄ 135
135 ⁄ 155
135 ⁄ 160
150 ⁄ 180
160 ⁄ 200
210 ⁄ 240
225 ⁄ 260
250 ⁄ 290
280 ⁄ 330
280 ⁄ 330
32
–
–
–
–
LA070URD33KI0500
LA070URD33KI0550
LA070URD33KI0630
LA070URD33KI0700
LA070URD33KI0800
LA070URD33KI0900
LA070URD33KI1000
LA070URD33KI1100
LA070URD33KI1250
LA070URD33KI1400
–
27
40
55
95
135
170
240
350
480
555
720
950
1250
1870
33
–
–
–
–
** Watts loss data is published for both blade and tapped style mounting configurations.
When two watts loss values are shown, this represents tapped/blade values respectively.
Contact Littelfuse for characteristic curves.
© 2005 Littelfuse POWR-GARD™ Products Catalog
w w w . l i t t e l f u s e . c o m
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