POWR-GARD
®
Fuse Datasheet
Special Purpose
TRADITIONAL SEMICONDUCTOR FUSES
150/250/500/600/700 VAC • Very Fast-Acting • 1 – 1200 Amperes
SERIES & VOLTAGE R ATINGS
AMPERE
RAT INGS
1 L15S 1 L25S 1 – L60S 1 KLC 1 –
2 L15S 2 L25S 2 – L60S 2 KLC 2 –
3 L15S 3 L25S 3 – L60S 3 KLC 3 –
4 L15S 4 L25S 4 – L60S 4 KLC 4 –
5 L15S 5 L25S 5 – L60S 5 KLC 5 –
6 L15S 6 L25S 6 – L60S 6 KLC 6 –
7 L15S 7 – – – KLC 7 –
8 L15S 8 L25S 8 – L60S 8 KLC 8 –
9 L15S 9 – – – – –
10 L15S 10 L25S 10 L50S 10 L60S 10 KL C 10 L70S 10
12 L15S 12 L2 5S 12 L50S 12 L60 S 12 KLC 12 –
15 L15S 15 L25S 15 L50 S 15 L 60S 15 K LC 15 L70S 15
1
2
17
⁄
20 L15S 20 L25S 20 L50S 20 L60S 20 KLC 20 L70S 20
25 L15S 25 L25S 25 L50S 25 L60S 25 K LC 25 L70S 25
30 L15S 30 L25S 30 L50S 30 L60S 30 KLC 30 L70S 30
35 L15S 35 L25S 35 L50S 35 L60S 35 KLC 35 L70S 35
40 L15 S 4 0 L25S 4 0 L50S 4 0 L60S 40 KLC 40 L70S 40
45 L15 S 4 5 L 25S 45 – L60S 45 KLC 45 –
50 L15 S 5 0 L 25S 50 L50S 50 L60S 50 KLC 50 L70S 50
60 L15S 60 L25S 60 L50S 60 L60S 60 KLC 60 L70S 60
70 L15S 70 L25S 70 L50S 70 L60S 70 KLC 70 L70S 70
80 L15 S 8 0 L 25S 80 L50S 8 0 L60S 80 KLC 80 L70S 80
90 L15 S 9 0 L 25S 90 L50S 90 L60S 90 KLC 90 L70S 90
100 L15S 100 L 25 S 100 L50S 100 L60S 100 KL C 100 L70S 10 0
110 – – – – K LC 110 –
125 L15S 125 L25S 125 L50S 125 L60S 125 KLC 125 L70S 125
150 L15S 150 L2 5S 150 L50S 150 L60S 15 0 KLC 150 L 70 S 15 0
175 – L25S 175 L50S 175 L60S 175 KLC 175 L70S 175
200 L15S 200 L 25S 200 L50S 200 L60S 200 KLC 200 L70S 200
225 – L25S 225 L50S 225 L60S 225 KLC 225 L70S 225
250 L15S 250 L25S 250 L50S 250 L60S 250 KLC 250 L70S 250
275 – L25S 275 L50S 275 – – –
300 L15S 300 L 25S 300 L50S 300 L60S 300 KLC 300 L70S 300
350 L15S 350 L25S 350 L50S 350 L60S 350 KLC 350 L70S 350
400 L15S 400 L25S 400 L50S 400 L60S 400 KLC 4 00 L70S 400
450 L15S 45 0 L25S 450 L50S 450 L60S 450 KLC 450 L70S 4 50
500 L15S 500 L25S 500 L50S 500 L60S 500 KLC 500 L70S 500
550 – – L50S 550 – – –
600 L15S 600 L25S 600 L50S 600 L60S 600 KLC 600 L70S 600
700 – L25S 700 L50S 700 L60S 700 KLC 700 L70S 700
800 L15S 800 L25S 800 L50S 800 L60S 800 KLC 800 L70S 800
900 – – LA50P9004 – – LA70P9004
1000 L15S 1000 – LA50P10004 – – LA70P10004
1200 – – LA50P12004 – – L A70P1200 4
‡ KLC series fuses are recommended for replacement use onl y.
L15S
150 VA C
150 V DC (1 – 60 A )
100 V DC (70 – 1 000 A )
– – – L60S 171⁄
L25S
25 0 VAC
25 0 VDC (1 – 2 00 A)
20 0 VDC (2 25 – 80 0 A)
L50S
50 0 VAC
45 0 VDC
L60S
60 0 VAC
KLC‡
60 0 VAC
2
KLC 171⁄
2
L70S
70 0 VAC
65 0 VDC
–
Specifications
Voltage Ratings:
L15S: 150 VAC/DC (1 – 60 A)
150 VAC (70 – 1000 A)
100 VDC (70 – 1000 A)
L25S: 250 VAC/DC (1 – 200 A)
250 VAC (225 – 800 A)
200 VDC (225 – 800 A)
L50S: 500 VAC/450 VDC
L60S: 600 VAC
KLC: 600 VAC
L70S: 700 VAC/650 VDC
L25S series fuses are Littelfuse Certified
for DC ratings shown in Rating Table.
Interrupting Rating:
AC: 200 kA rms
(L15S series 100 kA)
DC: 20 kA
Ampere Range:
1 – 1200 A
See Rating Table for ratings available in
each series.
Approvals:
UL Recognized (File No. E71611)
CSA Recognized (File No. LR29862)
Recommended
Fuseholders
1LFS101/1LFS102 ............ pg. 121
LSCR001/LSCR002 .......... pg. 120
Web Resources
For additional information, visit:
www.littelfuse.com/semi
1
©June 2011 Littelfusewww.littelfuse.com
POWR-GARD
Fig, 2
Fig. 1
®
Fuse Datasheet
Special Purpose
TRADITIONAL SEMICONDUCTOR FUSES
150/250/500/600/700 VAC • Very Fast-Acting • 1-1000 Amperes
L15S Series, 150 Volts AC
AMPERE
RAT ING
1 – 30 1
31 – 60 1
61 – 450 3
451 – 1000 3
FIG.
NO.
A B C D E F G H
2
11⁄
(38 .1)
2
(50.8)
5
1
(29.4)
1
1
(31.8 )
—
—
32
⁄
8
17⁄
(47. 6)
4
⁄
115⁄
16
(49.2)
L25S Series, 250 Volts AC
AMPERE
RAT ING
1 – 30 1
31 – 60 2
61 – 200 3
201 – 700 3
701 – 800 3
FIG.
NO.
A B C D E F G H
2
(50.8)
5
1
(41. 3 )
5
1
(41. 3 )
19
1
(40.5)
19
1
(40.5)
—
8
⁄
4
21⁄
(57.2)
8
⁄
25⁄
16
(58.7)
32
⁄
29⁄
32
(57.9 )
32
⁄
29⁄
32
(57.9 )
DIMENSIONS IN INCHES (mm)
3
(9.5)
5
(15.9)
23⁄
(55.6)
29⁄
(65.1)
8
⁄
8
⁄
16
16
13
32
⁄
(10.3)
13
⁄
(20.6)
221⁄
— — — —
16
— — — —
32
(67.5)1(25.4)
2
31⁄
(88.9)
11⁄
(38 .1)1(25.4)
2
DIMENSIONS IN INCHES (mm)
1
⁄
(12.7 )
21⁄
(63.5)
27⁄
(61.9 )
229⁄
(73.8)
229⁄
(73.8)
2
2
16
32
32
9
16
⁄
(14.3)
33⁄
(81.0)
31⁄
(79.4)
327⁄
(97.6)
327⁄
— — — —
13
16
⁄
(20.6)
8
17⁄
(31.0 )1(25.4)
32
11⁄
(38 .1)1(25.4)
32
(97.6)2(50.8)
16
32
2
43
⁄
(17.1)
23
⁄
(18.3)
11⁄
(38 .1)
5
64
⁄
(7.9 )
13
⁄
(10.3)
11
32
⁄
(8.7)
5
⁄
(7.9 )
13
⁄
(10.3)
13
2
⁄
(10.3)
3
16
16
⁄
(4.8)
32
1
4
⁄
(6.4)
32
1
8
⁄
(3.2)
3
16
16
⁄
(4.8)
32
1
4
⁄
(6.4)
32
1
4
⁄
(6.4)
L50S Series, 500 Volts AC / 450 Volts DC
AMPERE
RAT ING
10 – 30 1
31 – 60 2
61 – 100 3
101 – 200 3
201 – 400 3
401 – 600 3
601 – 80 0 3
FIG.
NO.
C
A
A B C D E F G H
2
(50.8)
15⁄
(41. 3 )
21⁄
(54.0)
21⁄
(54.0)
23⁄
(53.2)
27⁄
(56.4)
27⁄
(56.4)
8
8
8
32
32
32
D
—
4
21⁄
(57.2)
16
211⁄
(68.3)3(76.2)
16
213⁄
(71.4 )
32
225⁄
(70.6)
32
229⁄
(73.8)
32
49⁄
(108.7)
DIMENSIONS IN INCHES (mm)
1
⁄
(12.7 )
21⁄
(63.5)
9
2
2
16
⁄
(14.3)
33⁄
(81.0)
35⁄
— — — —
13
16
⁄
(20.6)
8
(92.1)1(25.4)
215⁄
(74.6 )
313⁄
(86.5)
317⁄
(89.7)
45⁄
(11 7.5 )
F
16
32
32
8
G
8
35⁄
(92.1)
411⁄
(110 .3)
415⁄
32
32
17⁄
(31.0 )1(25.4)
11⁄
(38 .1)1(25.4)
(113.5)2(50.8)
32
615⁄
(164 .3 )
21⁄
(63.5)2(50.8)
A
B
C
D
2
23
16
(18.3)
3
(19 .1)
32
2
11⁄
(38 .1)
2
E
11
32
⁄
32
⁄
(8.7)
11
4
⁄
32
⁄
(8.7)
5
16
⁄
(7.9 )
13
32
⁄
(10.3)
13
2
32
⁄
(10.3)
17
32
⁄
(13.5)
H
1
(3.2)
1
(3.2)
3
⁄
(4.8)
1
⁄
(6.4)
1
⁄
(6.4)
3
(9.5)
8
⁄
8
⁄
16
4
4
8
⁄
©June 2011 Littelfusewww.littelfuse.com
POWR-GARD
®
Fuse Datasheet
Special Purpose
NORTH AMERICAN SEMICONDUCTOR FUSES
150/250/500/600/700 VAC • Very Fast-Acting • 1-1000 Amperes
L60S Series, 600 Volts AC
AMPERE
RAT ING
1 – 30 1
31 – 60 2
61 – 100 2
101 – 200 2
201 – 400 2
401 – 600 2
601 – 80 0 2
FIG.
NO.
A B C D E F G H
5
(127.0)
25
2
(70.6)
29
2
(73.8)
29
2
(73.8)
29
2
(73.8)
7
2
(73.0)
1
⁄
3
(77.0 )
32
⁄
32
⁄
32
⁄
32
⁄
8
⁄
32
—
37⁄
(8 7.3 )
317⁄
(89.7)
39⁄
(90.5)
331⁄
(100.8 )
331⁄
(100.8 )
55⁄
(133.4 )
16
32
16
32
32
32
DIMENSIONS IN INCHES (mm)
5
8
⁄
(15.9)
311⁄
(93.7)
325⁄
(96.0)
33⁄
(95.3)
32
45⁄
(105.6)
64
49⁄
(105.2)
511⁄
(135.7)
13
16
⁄
(20.6)
16
8
43⁄
(111.1)
32
415⁄
32
(113.5)
4
413⁄
32
(111. 9 )
8
51⁄
(130.2)
8
51⁄
(130.2)
32
4
71⁄
(184.2 )
L70S Series, 700 Volts AC/600 Volts DC
AMPERE
RAT ING
10 – 30 1
31 – 60 3
61 – 100 3
101 – 200 3
201 – 400 3
401 – 600 3
601 – 80 0 4
FIG.
NO.
A B C D E F G H J
2
(50.8)
7
2
(73.0)
7
2
(73.0)
27
2
(72.2)
27
2
(72.2)
27
2
(72.2)
5
3
(84.1 )
—
8
⁄
37⁄
16
(8 7.3 )
8
⁄
39⁄
16
(90.5)
32
⁄
317⁄
32
(89.7)
32
⁄
317⁄
32
(89.7)
32
⁄
429⁄
32
(124.6)
16
⁄
55⁄
16
(134 .9 )
DIMENSIONS IN INCHES (mm)
1
⁄
(12.7 )
325⁄
(96.0)
311⁄
(93.7)
45⁄
(105.6)
45⁄
(105.6)
51⁄
(133.4 )
613⁄
(173.0)
2
32
16
32
32
4
16
9
16
⁄
(14.3)
8
43⁄
(111.1)1(25.4)
8
43⁄
(111.1)
32
53⁄
(129 .4 )
32
53⁄
(129 .4 )2(50.8)
32
73⁄
(180.2 )
—
— — — —
13
⁄
(20.6)
11⁄
(27.0)
15⁄
(33.3)
137⁄
(4 0.1)
21⁄
(52.8)
21⁄
(63.5)
16
16
16
16
23
32
⁄
(18.3)
23
32
⁄
(18.3)
1
(25.4)
64
1
(25.4)
11⁄
(38 .1)
2
2
(50.8)
11
32
⁄
(8.7)
11
32
⁄
(8.7)
5
16
⁄
(7.9 )
13
32
⁄
(10.3)
13
2
32
⁄
(10.3)
17
32
⁄
(13.5)
— — — — —
43
(17.1)
29
32
17⁄
(31.0 )
11⁄
(22.9)
2
(38 .1)1(25.4)
11⁄
(38 .1)
2
21⁄
(63.5)2(50.8)
7
8
⁄
2
(73.0)2(50.8)
11
64
⁄
32
⁄
(8.7)
5
32
⁄
16
⁄
(7.9 )
13
32
⁄
(10.3)
13
2
32
⁄
(10.3)
17
32
⁄
(13.5)
5
8
⁄
(15.9)
1
⁄
(3.2)
3
⁄
(4.8)
1
⁄
(6.4)
1
⁄
(6.4)
3
⁄
(9.5)
3
⁄
(9.5)
8
16
4
4
8
8
1
(3.2)
1
(3.2)
3
⁄
(4.8)
1
⁄
(6.4)
1
⁄
(6.4)
3
(9.5)
—
—
—
—
—
5
(7.9 )
8
⁄
8
⁄
16
4
4
8
⁄
16
⁄
F
G
A
B
C
D
H
E
Fig. 3
F
G
A
B
C
J
E
Fig. 4
KLC Series, 600 Volts AC
AMPERE
RAT ING
1 – 30 2
31 – 60 2
61 – 100 3
101 – 200 3
H
201 – 400 3
401 – 800 3
FIG.
NO.
DIMENSIONS IN INCHES (mm)
A B C D E F G H
7
1
(47. 6)
3
2
(69.9)
7
2
(73.0)
27
2
(72.2)
27
2
(72.2)
27
2
(72.2)
8
⁄
4
⁄
8
⁄
32
⁄
32
⁄
32
⁄
21⁄
(63.5)
33⁄
(85.7)
321⁄
(92.9)
317⁄
(89.7)
421⁄
(118 .3)
421⁄
(118 .3)
2
8
32
32
32
32
—
8
35⁄
(92.1)
16
41⁄
(103.2)5(127.0)
8
43⁄
(111.1)
32
427⁄
(123.0 )
32
511⁄
(135.7)
3
7
⁄
2
(73.0)
45⁄
(109.5)
8
16
9
16
⁄
(14.3)
13
⁄
(20.6)
1
(25.4)
32
53⁄
(129 .4 )
61⁄
11⁄
(38 .1)
4
(158.8)2(50.8)
4
61⁄
(158.8)
21⁄
(63.5)
13
32
⁄
(10.3)
16
23
32
⁄
(18.3)
3
4
⁄
(19 .1)
2
1
(25.4)
8
15⁄
(41. 3 )
2
2
(50.8)
1
⁄
(6.4)
11
⁄
(8.7)
13
⁄
(10.3)
13
⁄
(10.3)
9
⁄
(14.3)
9
⁄
(14.3)
4
32
32
32
16
16
©June 2011 Littelfusewww.littelfuse.com
3
⁄
(1.2)
1
(3.2)
1
(3.2)
1
(6.4)
1
(6.4)
3
(9.5)
64
8
⁄
8
⁄
4
⁄
4
⁄
8
⁄
POWR-GARD
®
Fuse Datasheet
Special Purpose
ALTERNATE DIMENSION SEMICONDUCTOR FUSES
150 VAC • Very Fast-Acting • 1-6000 Amperes
LA15QS Series
AMPERE
RAT ING
LITTELFUSE
CATA LOG
NUMBER
1 LA15Q S1-2 2 0.0002 0.68
2 LA15QS2-2 2 0.001 1.3
3 LA15 QS3-2 2 0.003 1.7
4 LA15 QS4 -2 2 0.007 2.1
5 LA15 QS5-2 2 0.012 2.8
6 LA15 QS6-2 2 0.022 3.1
7 LA15Q S7-2 2 0.011 2.2
8 LA15 QS8-2 2 0.015 2.5
10 L A15QS10 -2 2 0.019 2.6
12 L A15QS12-2 2 0.030 3
15 L A15QS15 -2 2 0.042 3
20 LA15QS20-2 2 0.072 4
25 LA15QS 25 -2 2 0 .14 5.2
30 LA15Q S30 -2 2 0.25 5.6
35 LA15 QS3 5-1 1 0.21 9
40 LA15 QS4 0-1 1 0.28 10
40 LA15QS40-4TI 4TI 0.39 3 .1
45 LA15 QS4 5-1 1 0.34 12
50 LA15 QS5 0-1 1 0.47 13
50 LA15Q S50- 4 4 0.64 4
55 LA15 QS5 5-1 1 Contact Factory Contact Factory
60 LA15 QS6 0-1 1 0.94 14
70 LA15QS70-4 4 2 5.6
70 LA15QS70-4TI 4TI 2 5.6
80 LA15Q S80-4 4 2.5 8
80 LA15QS80-4TI 4TI 2.5 8
90 LA15Q S90- 4 4 3.1 9
100 LA15QS100- 4 4 3.6 10
100 LA15QS100-4TI 4TI 3.6 10
130 LA15QS130- 4 4 5.3 14
130 LA15QS130-4TI 4TI 5.3 14
150 L A15QS15 0- 4 4 6.8 16
150 L A15QS15 0-4 IL 4IL 6.8 16
150 L A15QS15 0-4T I 4TI 6.8 16
200 LA15QS200-4 4 9 22
200 LA15QS200-4IL 4IL 9 22
MOUNTING
TYPE
MAXIMUM
CLEARING I
2
VAC (A
2
t @150
S x 103)
WATTS LOSS
@ RAT ED
CURREN T (W)
Specifications
Voltage Rating: AC: 150 V
DC: 150 V
Interrupting Rating: 100 k A
Ampere Range: 1 – 6000 A
Approvals: UL Recognized
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/la15qs
AMPERE
RAT ING
LITTELFUSE
CATA LOG
NUMBER
250 L A15QS250- 4 4 15 22
250 LA15QS250-4TI 4TI 15 27
300 L A15QS3 00- 4 4 22 33
300 L A15QS 300-4IL 4IL 22 33
300 LA15QS300-4TL 4TI 22 33
350 L A15QS3 50- 4 4 32 40
350 LA15QS350-4TI 4TI 32 40
400 LA15QS400-4 4 40 45
400 LA15QS400-4IL 4IL 40 45
400 LA15QS400-4TI 4TI 40 45
450 LA15QS4 50-4 4 50 50
450 L A15QS45 0-4IL 4IL 50 50
500 LA15QS5 00-4 4 90 30
500 L A15QS50 0-4I L 4IL 90 30
600 LA15Q S600 -4 4 13 0 35
600 L A15QS 60 0-4IL 4IL 130 35
800 LA15Q S8 00-4 4 290 57
1000 LA15QS1000-4 4 520 75
1000 LA15QS1000-4IL 4IL 520 75
1000 L A15QS1000-4TI 4TI 520 75
1000 LA15QS1000-128 12 8 540 88
1000 LA15QS1000-128IL 128IL 540 88
1200 LA15 QS1200-128 128 680 100
1200 LA15 QS1200-128 IL 128I L 680 10 0
150 0 L A15QS15 00-12 8 12 8 1200 13 0
150 0 L A15 QS150 0-128IL 128IL 120 0 130
2000 LA15QS2000-128 128 1900 165
2000 LA15QS2000-128IL 128IL 1900 165
2500 L A15QS2500-128 128 3200 195
2500 LA15QS2500-128IL 128I L 3200 195
3000 LA15QS3000-128 128 4800 240
3000 LA15QS3000-128IL 128IL 4800 240
3500 L A15QS3 500 -128 128 6500 260
4000 LA15QS4000-128 128 8500 270
4000 LA15QS4000-128IL 128I L 8500 270
5000 LA15QS5000-128 128 Contact Factory Contact Factory
6000 LA15QS6000-128 128 Contact Factory Contact Factory
MOUNTING
TYPE
Figure 1 Figure 2
Figure 3 Figure 4 Figure 5
MAXIMUM
CLEA RING I
VAC (A
2
2
t @150
S x 103)
WATT S LOSS @
RATED CURRENT
(W)
Dimensions
AMPERE
RAT INGS
1 – 30 2 1 1.5 0 (38 .1) 0.41 (10.4) – – – – – – –
35 – 60 1 1 2.0 0 (50 .8) 0.81 (20.6) – – – – – – –
40 – 45 0 4, 4TI*, 4I L* 2 2.66 (67.6) 1.0 0 (25. 4) 1.16 (2 9.5 ) 2.19 (5 5.6 ) 1. 91 (48 .5) 0.31 (7.9) 0.88 (22.4) 0.19 (4.8 ) –
500 – 1000 4, 4T I*, 4IL* 2 3.50 (88.9) 1 .5 0 (38.1) 1.2 5 (31.8 ) 2. 56 (6 5.0) 1.94 (49.3 ) 0.41 (10.4) 1.00 ( 25.4 ) 0.25 ( 6.4) –
750 – 2000 12 8, 128 IL* 3 1.8 8 (4 7.9 ) 2. 00 (50.8 ) 1.6 3 (41.4 ) 1. 75 (44 .5) 1.0 0 (25. 4) – – –
2500 – 3000 12 8, 128IL* 3 1 .88 (47. 9) 3.00 (76.2) 1. 63 (41.4 ) 2.50 (63.5) 1.5 0 (3 8.1) – – –
3500 – 4000 12 8, 128IL* 4 1. 88 ( 47.9 ) 3.50 (88.9) 1.6 3 (41. 4) 3.00 (76.2) 1.06 (27.0) 1.06 (27.0) – –
5000 – 6000 128 5 2.3 8 (60.5) 5.7 5 (146) 1 .88 (4 7.7) 5.0 0 (127) 1.5 0 (38 .1) 1. 50 ( 38.1) – –
*Optional Trigger Actuator ( IL). Optional Trigger Indicator (TI) see w eb for dimensions.
MOUNTING
TYPE
FIGURE
NO.
DIMENSIONS IN INCHES (mm IN PARENTHESES)
A B C D E F G H
4
Dimensions for reference only.
©June 2011 Littelfusewww.littelfuse.com
TAP
3
⁄8-24-1⁄2 deep
1
⁄2-20-1⁄2 deep
1
⁄2-20-1⁄2 deep
1
⁄2-20-1⁄2 deep
POWR-GARD
®
Fuse Datasheet
Special Purpose
ALTERNATE DIMENSION SEMICONDUCTOR FUSES
300 VAC • Very Fast-Acting • 35-4500 Amperes
LA30QS Series
AMPERE
RAT ING
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 LA 30 QS100 -4 4 4.1 13
100 LA30QS100-4TI 4TI 4.1 13
125 LA 30QS125- 4 4 6.3 16
130 LA30QS130-4 4 6.3 16
150 LA3 0Q S150-4 4 9.3 19
150 LA30QS150-4TI 4TI 9.3 19
175 LA 30 QS175 -4 4 10 27
200 LA30QS200-4 4 15 30
200 LA30QS200-4TI 4TI 15 30
225 L A30QS225-4 4 22 33
250 L A30QS250-4 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
LITTELFUSE
CATA LOG
NUMBER
MOUNTING
TYPE
MA XIMUM
CLEA RING I
@3 0 0 VAC
2
(A
S X 103)
2
T
WATTS L OSS
@ RAT ED
CURRENT
(W)
AMPERE
RAT ING
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 12 8 260 73
800 LA30QS800-4 4 330 108
800 LA30QS800-4IL 4IL 330 108
800 LA30QS800-128 128 330 84
1000 LA30QS1000-128 12 8 460 105
1000 LA30QS1000-128IL 128IL 460 10 5
1200 L A30QS1200-12 8 128 880 110
1500 LA30QS1500-128 128 1400 140
1500 LA30QS1500-128IL 128IL 1400 140
1600 L A30 QS16 0 0-128 128 16 90 15 0
2000 LA30QS2000-128 12 8 2600 190
2000 LA30QS2000-128IL 12 8IL 2600 190
2500 LA30QS2500-128 12 8 4000 230
2500 LA30QS2500-128IL 128 IL 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
LITTELFUSE
CATA LOG
NUMBER
MOUNTING
TYPE
MAXIMUM
CLEA RING I
@3 0 0 VAC
2
(A
S X 103)
WATTS L OSS
2
T
CURREN T (W)
@ RAT ED
Specifications
Figure 1 Figure 2
Voltage Rating: AC: 300 V
DC: 300 V
Interrupting Rating: 200 kA
Ampere Range: 35 – 4500 A
Approvals: UL Recognized
Web Resources
Figure 3 Figure 4
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/la30qs
Dimensions
AMPERE
RAT ING
35 – 60 4 1 3.19 ( 81.0 ) 0.81 (20.6) 1.6 3 (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 – 700 4, 4 I L* 2 3.84 (97.5) 1. 5 0 ( 38.1) 1.59 ( 4 0.1) 2.91 (73.9) 2 . 2 8 ( 5 7.9 ) 0.41 (10.4) 1.00 (25.4) 0.25 (6.4) –
700 – 1200 128 3 2.59 (65.8) 3.00 (76.2) 2.34 (59.4) 2.50 (63.5) 1.50 ( 38.1) – – –
1500 – 2500 128, 128IL* 4 2.59 (65.8) 3.50 (88.9) 2.34 (59.4) 3.00 (76.2) 1. 5 0 ( 38.1) 1. 50 ( 38.1 ) – –
3000 – 4500 128, 128 IL* 4 2.59 (65.8) 4.50 (114) 2.34 ( 59.4) 3.75 (95.3) 1.5 0 (3 8.1) 1. 5 0 ( 38.1) – –
*Optional Trigger Actuator ( IL). Optional Trigger Indicator (TI) see w eb for dimensions.
MOUNTING
TYPE
FIGURE
NO.
DIMENSIONS IN INCHES (mm IN PARENTHESES)
A B C D E F G H
Dimensions for reference only.
TAP
3
⁄8-24-1⁄2 deep
3
⁄8-24-1⁄2 deep
1
⁄2-20-1⁄2 deep
5
©June 2011 Littelfusewww.littelfuse.com
POWR-GARD
®
Fuse Datasheet
Special Purpose
ALTERNATE DIMENSION SEMICONDUCTOR FUSES
500 VAC • Very Fast-Acting • 35-1200 Amperes
LA50QS Series
AMPERE
RAT ING
35 LA50QS35-4 4 0.56 6
40 LA50QS40-4 4 0.69 7
50 LA50QS50-4 4 1.1 8
60 LA50QS60-4 4 1.8 10
70 LA50QS70-4 4 1.9 12
80 LA50QS80-4 4 2.6 14
90 LA50QS90-4 4 3.6 15
100 LA50QS100-4 4 4.4 17
125 LA5 0Q S125-4 4 5.6 21
150 LA50QS150-4 4 9 25
175 LA50QS175 -4 4 15 29
200 LA50QS200-4 4 20 33
225 LA50QS225-4 4 25 37
LITTELFUSE
CATA LOG
NUMBER
MOUNTING
TYPE
MAXIMUM
CLEA RING I
VAC
2
(A
S X 103)
2
T @500
Specifications
Voltage Rating: AC: 500 V
DC: 500 V
Interrupting Rating: AC: 200 k A
DC: 100 kA
Ampere Range: 35 – 1200 A
Approvals: UL Recognized
CSA Certified
WATTS L OSS
@ RAT ED
CURREN T (W)
AMPERE
RAT ING
250 LA50QS250-4 4 29 41
300 LA50QS300-4 4 55 49
350 LA50QS350-4 4 88 57
400 LA50QS400-4 4 98 65
450 LA50QS450-4 4 13 0 69
500 LA50QS500-4 4 16 0 77
600 LA50QS600-4 4 220 92
700 LA50QS700-4 4 270 110
800 LA50QS800-4 4 360 130
900 LA50QS900-4 4 500 14 0
1000 LA50QS1000-4 4 560 160
1200 LA50QS1200-4 4 930 175
LIT TELFUSE
CATA LOG
NUMBER
MOUNTING
TYPE
MAXIMUM
CLEA RING I
VAC
2
(A
S X 103)
2
T @500
WATTS L OSS
CURREN T (W)
@ RAT ED
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/la50qs
Dimensions
AMPERE
RAT ING
35 – 100 4
125 – 200 4
225 – 400 4
450 – 600 4
700 – 800 4
900 – 1200 4
Contact Littelfuse for characteristic curves.
MOUNTING
TYPE
A B C D E F G H
3.63
(92.2)
3.63
(92.2)
4.34
(110 )
4.47
(114 )
6.47
(164 .3 )
6.97
(177.0 )
1.0 0
(25.4)
1.2 2
(31.0 )
1.50
(38 .1)
2.00
(50.8)
2.50
(63.5)
3.00
(76.2)
2.13
(54.1 )
2.13
(54.1 )
2.09
(53.1)
2.22
(56.4)
2.22
(56.4)
3.22
(81.8)
DIMENSIONS IN INCHES (mm)
2.94
(74.7)
2.94
(74.7)
3.41
(86.6)
3.53
(89.7)
5.00
(127.0)
5.47
(138.9 )
2.75
(69.9)
2.81
(71.4 )
2.78
(70.6)
2.91
(73.9)
3.44
(8 7.3 )
4.47
(113.5)
0.31
(7.9 )
0.31
(7.9 )
0.41
(10.4)
0.41
(10.4)
0.53
(13.5)
0.63
(15.9)
Dimensions for reference only.
0.75
(19 .1)
1.0 0
(25.4)
1.0 0
(25.4)
1.50
(38 .1)
1.50
(38 .1)
2.38
(60.3)
0.13
(3.3)
0.19
(4.8)
0.25
(6.4)
0.25
(6.4)
0.25
(6.4)
0.44
(11.1 )
6
©June 2011 Littelfusewww.littelfuse.com
POWR-GARD
®
Fuse Datasheet
Special Purpose
ALTERNATE DIMENSION SEMICONDUCTOR FUSES
600 VAC/DC • Very Fast-Acting • 5-40 Amperes
LA60Q Series Semiconductor Fuses
AMPERE
RAT ING
LITTELFUSE
CATA LOG
NUMBER
5 LA60Q5-2 2 60 0.7
8 LA60Q8-2 2 70 1.1
10 LA60Q10 -2 2 110 1.6
12 L A6 0Q12-2 2 150 2
15 LA6 0Q15-2 2 180 3
20 LA60Q20-2 2 330 4.4
25 LA60Q 25-2 2 440 5.5
30 LA60Q30-2 2 860 5.6
35 LA60Q35-2 2 130 0 6.4
40 L A60Q40-2 2 1800 7
MOUNTING
TYPE
MAXIMUM
CLEA RING I
@600 VAC
2
(A
S x 103)
WATTS L OSS
2
T
CURREN T (W)
Specifications
Voltage Rating: AC: 600 V
DC: 600 V
Interrupting Rating: AC: 200 k A
DC: 100 kA
Ampere Range: 5 – 40 A
Approvals: UL Recognized
Contact Littelfuse for characteristic curves.
@ RAT ED
Description
Littelfuse LA60Q semiconductor protection fuses feature
a 600 volt AC/DC rating in a compact size (1
LA60Q also has the lowest I
2
t of all similar fuses and
excellent cycling ability. Applications include inverters and
small equipment requiring extremely fast response to
faults, without the need to carry sustained heavy overloads.
1
2
⁄
” x
13
”).
⁄
32
Dimensions in inches
1
½
13
/
32
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/la60qs
690 VAC/700 VDC • Very Fast-Acting • 10-100 Amperes
LA70QS Series French Cylindrical Fuses
AMPERE
RAT ING
LITTELFUSE
CATA LOG
NUMBER
(NO STRIKER)
10 LA70QS10-14F LA70QS10-14FI 14 x 51 0.04 3.5
12 LA70QS12-14F LA70QS12-14FI 14 x 51 0.06 4.4
16 LA70QS16-14F LA70QS16-14FI 14 x 51 0.10 4.8
20 LA70QS20-14F LA70QS20-14FI 14 x 51 0.16 5.2
25 LA70QS25-14F LA70QS25-14FI 14 x 51 0.27 5.8
32 LA70QS32-14F LA70QS32-14FI 14 x 51 1.5 0 7.0
40 LA70QS40-14F LA70QS40-14FI 14 x 51 0.70 10.7
50 LA70QS50-14F LA70QS50-14FI 14 x 51 1.50 11. 6
20 LA70QS20-22F LA70QS20-22FI 22 x 58 0.076 8.0
25 LA70QS25-22F L A70QS25 -22FI 22 x 58 0.12 5 10.0
32 LA70QS32-22F LA70QS32-22FI 22 x 58 0.27 11.0
40 L A70QS40-22F LA70QS40-22FI 22 x 58 0.48 13.0
50 LA70QS50-22F LA70QS50-22FI 22 x 58 0.80 14.9
63 LA70QS63-22F LA70QS63-22FI 22 x 58 1. 85 16.0
80 LA70QS80-22F LA70QS80-22FI 22 x 58 3.80 17.8
100 LA70QS100-2 2F L A7 0Q S10 0-22FI 22 x 58 8.00 19.0
LITTELFUSE
CATA LOG
NUMBER
(WITH STRIKER)
BODY
SIZE
MAXIMUM
CL EARING I2T
@7 00 VAC
2
(A
S X 103)
WATT S LOSS
@ RAT ED
CUR RENT ( W)
Description
Littelfuse LA70QS semiconductor fuses were developed
to provide improved performance required by today’s new
equipment. The LA70QS features lower I
and lower watts loss. It is the best choice for the protection
of dynamic solid-state equipment.
Dimensions in inches (mm)
Please see website for dimensions:
www.littelfuse.com/la70qs
Specifications
Voltage Rating: AC: 690 V
DC: 700 V
Interrupting Rating: AC: 200 k A
DC: 100 kA
Ampere Range: 10 – 100 A
Approvals: UL Recognized
CSA Certified
Web Resources
TC Curves, downloadable CAD drawings and other technical
information:
Recommended Fuseholders
CYH series for non-striker fuses LA70QS(amp)22F .. pg. 173
CYH1451 series for LA70QS(amp)14F ...................... pg. 173
www.littelfuse.com/la70qs
2
t, improved cycling,
7
©June 2011 Littelfusewww.littelfuse.com
POWR-GARD
®
Fuse Datasheet
Special Purpose
ALTERNATE DIMENSION SEMICONDUCTOR FUSES
700 VAC/VDC • Very Fast-Acting • 35-800 Amperes
LA70QS Series Semiconductor Fuses
AMPERE
RAT ING
LITTELFUSE
CATA LOG
NUMBER
35 LA70QS35-4 4 0.47 6.2
40 LA70QS40-4 4 0.58 7. 5
50 LA70QS50-4 4 0.88 9.8
60 LA70QS60-4 4 1.2 12
70 LA70QS70-4 4 1.8 15
80 LA70QS80-4 4 2.3 16
90 LA70QS90-4 4 3 20
100 LA70QS100-4 4 3.6 24
125 L A70Q S125- 4 4 6.9 22
125 LA70QS125- 4K 4K 6.9 22
150 L A70Q S15 0-4 4 11 28
150 L A7 0Q S150-4 K 4K 11 29
175 LA70QS175 -4 4 14 35
175 LA70 QS175 -4K 4K 14 35
MOUNTING
TYPE
MAXIMUM
CLEA RING I
VAC
2
(A
S X 103)
2
T @700
WATTS L OSS
@ RAT ED
CURREN T (W)
AMPERE
RAT ING
LIT TELFUSE
CATA LOG
NUMBER
200 L A70QS200-4 4 19 41
200 LA70QS200-4K 4 19 41
250 LA70QS250-4 4 42 42
300 LA70QS300-4 4 55 53
350 LA70QS350-4 4 72 64
400 LA70QS400-4 4 99 75
450 LA70QS450-4 4 125 75
450 LA70QS450-4K 4K 125 75
500 LA70QS500-4 4 150 92
500 LA70QS500-4K 4K 160 92
600 LA70QS600-4 4 222 116
600 LA70QS600-4K 4K 222 116
700 LA70QS700-4 4 332 125
800 LA70QS800-4 4 433 14 3
MOUNTING
TYPE
MAXIMUM
CLEA RING I
VAC
2
(A
S X 103)
2
T @700
WATTS L OSS
@ RAT ED
CURREN T (W)
Specifications
Voltage Rating: AC: 700 V
DC: 700 V
Interrupting Rating: AC: 200 k A
DC: 100 kA
Ampere Range: 35 – 800 A
Approvals: UL Recognized
CSA Certified
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/la70qs
Dimensions in inches (mm)
AMPERES
35 – 100 4
125 – 200 4
125 – 200 4K
225 – 400 4
450 – 600 4
450 – 600 4K
700 – 800 4
Contact Littelfuse for characteristic curves.
MOUNTING
TYPE
A B C D E F G H
4.38
(111)
4.38
(111)
5.09
(129 )
5.09
(129 )
5.09
(129 )
7.0 9
(180 )
7.0 9
(180 )
1.0 0
(25.4)
1.2 2
(31.0 )
1.2 2
(31.0 )
1.50
(38 .1)
2.00
(50.8)
2.00
(50.8)
2.50
(63.5)
2.88
(73)
2.88
(73)
2.88
(73)
2.84
(72.2)
2.84
(72.2)
2.84
(72.2)
2.84
(72.2)
DIMENSIONS IN INCHES (mm)
3.69
(93.6)
3.69
(93.6)
4.19
(106 )
4.16
(106 )
4.16
(106 )
6.16
(156)
5.28
(134 )
3.50
(88.9)
3.56
(90.5)
3.50
(88)
3.53
(89.7)
3.53
(89.7)
3.53
(89.7)
4.91
(125 )
0.31
(7.9 )
0.31
(7.9 )
0.41
(10.3)
0.40
(10.3)
0.41
(10.3)
0.53
(13.5)
0.53
(13.5)
Dimensions for reference only.
0.75
(19.0)
1.0 0
(25.4)
1.0 0
(25.4)
1.50
(38 .1)
1.50
(38 .1)
1.50
(38 .1)
2.00
(50.8)
0.13
(3.2)
0.19
(4.8)
0.19
(4.8)
0.25
(6.4)
0.25
(6.4)
0.25
(6.4)
0.38
(9.5)
8
©June 2011 Littelfusewww.littelfuse.com
POWR-GARD
®
Fuse Datasheet
Special Purpose
ALTERNATE DIMENSION SEMICONDUCTOR FUSES
1000 VAC • Very Fast-Acting • 15 – 1000 Amperes
AMPERE
RAT ING
100 LA10 0P 100-4 4 18 18
125 LA100P125-4 4 28 23
150 LA100P150-4 4 41 28
200 LA100P200-4 4 72 36
225 L A100P 225 -4 4 91 40
250 LA100P250-4 4 110 46
300 LA100P300-4 4 160 55
350 LA100P350-4 4 220 65
400 LA100P400-4 4 290 70
500 LA100P500-4 4 450 90
600 LA100P600-4 4 650 110
650 LA100P650-4 4 780 120
700 LA100P700-4 4 880 125
800 LA100P800-4 4 12 00 140
1000 LA100P1000-4 4 1900 19 0
LITTELFUSE
CATA LOG
NUMBER
15 L A10 0P15 -1 1 0.6 3.4
20 L A10 0P20 -1 1 0.8 5.9
25 L A10 0P2 5-1 1 1, 3 9
30 LA100P30-1 1 1.5 12 .8
35 LA100P35-4 4 2.2 7.3
40 L A100P 40- 4 4 2.9 8.3
50 LA100P50-4 4 4.5 11
60 L A100P 60- 4 4 6.5 13
80 L A100P 80- 4 4 12 14
MOUNTING
TYPE
MAXIMUM
CLEA RING I
VAC
2
(A
S X 103)
2
T @1000
WATTS L OSS
CURREN T (W)
Figure 1
@ RAT ED
Figure 2
Figure 3
Figure 4
Web Resources
TC Curves, downloadable CAD drawings and other technical
information: www.littelfuse.com/la100p
Dimensions in inches (mm)
AMPERES
15 – 30 1 1
35 – 60 4 2
65 – 100 4 2
125 – 200 4 2
225 – 400 4 2
500 – 600 4 2
650 – 800 4 3
1000 4 4
Contact Littelfuse for characteristic curves.
MOUNTING
TYPE
FIGURE
NO.
A B C D E F G H J
2.53
(66.8)
5.00
(127 )
5.00
(127 )
5.72
(145 )
5.72
(145 )
7.7 2
(196)
7.4 4
(189 )
8.22
(209)
0.56
(14.2)
1.0 0
(25.4)
1.2 2
(31)
1.50
(38 .1)
2.00
(50.8)
2.50
(63.5)
2.88
(73.2)
3.50
(88.9)
Specifications
Voltage Rating: AC: 1000 V
DC: 750 V
Interrupting Rating: 10 0 k A
Ampere Range: 15 – 1000 A
Approvals: UL Recognized
Dimensions for reference only.
DIMENSIONS IN INCHES (mm)
– – – – – – –
3.50
(88.9)
3.50
(88.9)
3.47
(88.1 )
3.47
(88.1 )
3.47
(88.1 )
3.94
(100 )
4.47
(114 )
4.31
(109 )
4.31
(109 )
4.78
(121)
4.78
(121)
5.88
(149 )
5.94
(151)
6.59
(167)
4.19
(106 )
4.19
(106 )
4.16
(106 )
4.16
(106 )
5.56
(147)
–
5.84
(148 )
0.31
(7.9 )
0.31
(7.9 )
0.41
(10.4)
0.41
(10.4)
0.53
(13.5)
0.63
(16)
0.63
(16)
0.75
(19 .1)
1.0 0
(25.4)
1.0 0
(25.4)
1.50
(25.4)
2.00
(50.8)
2.00
(50.8)
2.75
(69.9)
0.13
(3.3)
0.19
(4.8)
0.25
(6.4)
0.25
(6.4)
0.38
(9.7)
0.38
(9.7)
0.50
(12.7 )
–
–
–
–
–
0.31
(7.9 )
1.3 8
(35 .1)
9
©June 2011 Littelfusewww.littelfuse.com
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