Datasheet

POWR-GARD® Fuse Datasheet
L50S SERIES HIGH-SPEED FUSE
500 Vac • 450 Vdc • 10-800 A • Traditional Round Body Style
Specifications
Voltage Rating
500 Vac
450 Vdc
Amperage Rating
10, 12, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200, 225, 250, 275, 300, 350, 400, 450, 500, 550, 600, 700, 800
Interrupting Rating
AC: 200 kAIC
DC: 20 kAIC
Material
Body: Melamine
Terminals: Copper (silver plated)
Mounting Type
Cylindrical (10 - 30 A)
Bolted Tags (35 - 800 A)
Operating Temperature-55˚ C to +125˚ C
Up to 35˚ C with relative humidity less than 65%
Storage Temperature
Approvals
UL Recognized (File: E71611)
CSA Recognized (File: LR29862)
Environmental
RoHS Compliant
Country of OriginMexico
Description
Littelfuse L50S Series High-Speed Fuses are designed
to protect today’s equipment and systems, and are
manufactured with Littelfuse-developed technology that
sets tomorrow’s standards for accuracy, consistent quality,
reliability, and predictable performance.
Part Numbering System
Littelfuse engineers have redefined High-Speed Fuse
Technology by using advanced metallurgical, polymer,
and materials research, mathematical modeling, and
computerized statistical analysis.
L50S xxx .T
Series
Amp Code
•
•
•
•
Extremely Current Limiting
Low Watt Losses
Controlled Transient Over-voltages
UL Recognized
Applications
•
•
•
•
•
Refer to Pack Qty.
Column in Ordering
Information Table
SERIES
AMP
CATALOG NUMBER
ORDERING NUMBER
L50S
L50S
10
500
L50S010
L50S500
L50S010.T
L50S500.X
Recommended Fuse Holder
AC & DC Drives
DC Common Bus Protection
Power Converters
UPS
Soft-Starters
littelfuse.com
Package Quantity
Refer to Amp Code
Column in Ordering
Information Table
Features/Benefits
LSCR001 (35-200 A)
LSCR002 (225-800 A)
Web Resources
Download technical documents: littelfuse.com/L50S
1 of 6
© 2015 Littelfuse POWR-GARD® Products
Rev: 082615
POWR-GARD® Fuse Datasheet
L50S SERIES HIGH-SPEED FUSE
Dimensions
AMPERE
RATING
FIGURE NO.
10 – 30
1
A
2 (50.8)
B
—
C
12
⁄ (12.7)
DIMENSIONS INCHES (mm)
D
E
9 16
⁄ (14.3)
—
F
—
G
—
31 – 60
2
15 ⁄8 (41.3)
2 1⁄4 (57.2)
2 1⁄2 (63.5)
3 3 ⁄16 (81.0)
⁄ (20.6)
23 32
⁄ (18.3)
11 32
61 – 100
3
2 1 ⁄8 (54.0)
2 11 ⁄16 (68.3)
3 (76.2)
3 5 ⁄8 (92.1)
1 (25.4)
.670 (17.0)
11 32
101 – 200
3
2 1 ⁄8 (54.0)
2 13 ⁄16 (71.4)
2 15 ⁄16 (74.6)
3 5 ⁄8 (92.1)
1 7⁄ 32 (31.0)
.895 (22.7)
5 16
201 – 400
3
2 3 ⁄ 32 (53.2)
2 25 ⁄ 32 (70.6)
3 13 ⁄ 32 (86.5)
4 11 ⁄ 32 (110.3)
11⁄ 2 (38.1)
1 (25.4)
13 32
401 – 600
3
2 ⁄ (56.4)
2 ⁄ (73.8)
3 ⁄ (89.7)
4 ⁄ (113.5)
2 (50.8)
12
1 ⁄ (38.1)
13 32
601 – 800
3
2 7⁄ 32 (56.4)
4 9 ⁄ 32 (108.7)
4 5 ⁄ 8 (117.5)
6 15 ⁄ 32 (164.3)
2 1⁄2 (63.5)
2 (50.8)
17 32
7 32
D
29 32
17 32
15 32
A
B
C
D
G
A
Fig. 1
Figure 1
⁄ (8.7)
1 8
⁄ (8.7)
1 8
⁄ (3.2)
⁄ (7.9)
3 16
⁄ (3.2)
⁄ (4.75)
⁄ (10.3)
14
⁄ (10.3)
14
⁄ (6.4)
⁄ (13.5)
3 8
⁄ (6.4)
⁄ (9.5)
F
F
C
13 16
H
—
Figure 2
E
Fig, 2
H
G
Figure 3
A
B
C
D
H
E
Fig. 3
Ordering Information
SERIES
AMPERAGE
RATING
AMP
CODE
CATALOG
NUMBER
ORDERING
NUMBER
PACK
QUANTITY
UPC
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
L50S
10
12
15
20
25
30
35
40
50
60
70
80
90
100
125
150
175
200
225
250
275
300
350
400
450
500
550
600
700
800
010
012
015
020
025
030
035
040
050
060
070
080
090
100
125
150
175
200
225
250
275
300
350
400
450
500
550
600
700
800
L50S010
L50S012
L50S015
L50S020
L50S025
L50S030
L50S035
L50S040
L50S050
L50S060
L50S070
L50S080
L50S090
L50S100
L50S125
L50S150
L50S175
L50S200
L50S225
L50S250
L50S275
L50S300
L50S350
L50S400
L50S450
L50S500
L50S550
L50S600
L50S700
L50S800
L50S010.T
L50S012.T
L50S015.T
L50S020.T
L50S025.T
L50S030.T
L50S035.T
L50S040.T
L50S050.T
L50S060.T
L50S070.T
L50S080.T
L50S090.T
L50S100.T
L50S125.V
L50S150.V
L50S175.V
L50S200.V
L50S225.V
L50S250.V
L50S275.V
L50S300.V
L50S350.V
L50S400.V
L50S450.X
L50S500.X
L50S550.X
L50S600.X
L50S700.X
L50S800.X
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
10 Pcs/ Box
5 Pcs/ Box
5 Pcs/ Box
5 Pcs/ Box
5 Pcs/ Box
5 Pcs/ Box
5 Pcs/ Box
5 Pcs/ Box
5 Pcs/ Box
5 Pcs/ Box
5 Pcs/ Box
1 Pc/ Box
1 Pc/ Box
1 Pc/ Box
1 Pc/ Box
1 Pc/ Box
1 Pc/ Box
07945885010
07945885012
07945885015
07945885020
07945885025
07945885030
07945885035
07945885040
07945885050
07945885060
07945885070
07945885080
07945885090
07945885100
07945885125
07945885150
07945885175
07945885200
07945885225
07945885250
07945885275
07945885300
07945885350
07945885400
07945885450
07945885500
07945885550
07945885600
07945885700
07945885800
littelfuse.com
2 of 6
© 2015 Littelfuse POWR-GARD® Products
Rev: 082615
POWR-GARD® Fuse Datasheet
L50S SERIES HIGH-SPEED FUSE
CATALOG
NUMBER
AMPERAGE
RATING
Electrical Specifications
VOLTAGE
RATING
INTERRUPT
RATING
AC DC
AC
MELTING
(PRE-ARC)
I2T (A2s)
DC
TOTAL
CLEARING
I2T (A2s)
TOTAL
CLEARING
I2T (A2s)
TOTAL
CLEARING
I2T (A2s)
100 kA @ 500 Vac 200 kA @ 500 Vac 20 kA @ 450 Vdc
WATTS LOSS WATTS LOSS
AT 100% RATED AT 80% RATED
CURRENT
CURRENT
(W)
(W)
L50S010
10
500 450 200kA
20kA
21
112
128
85
2
1
L50S012
12
500 450 200kA
20kA
26
149
170
97
2
1
2
L50S015
15
500 450 200kA
20kA
34
222
250
116
2
L50S020
20
500 450 200kA
20kA
48
363
400
143
5
3
L50S025
25
500 450 200kA
20kA
62
528
600
170
7
4
L50S030
30
500 450 200kA
20kA
77
707
820
193
10
5
L50S035
35
500 450 200kA
20kA
130
1,120
1,210
400
6
3
L50S040
40
500 450 200kA
20kA
161
1,420
1,550
525
7
4
L50S050
50
500 450 200kA
20kA
222
2,150
2,360
867
11
6
L50S060
60
500 450 200kA
20kA
259
3,016
3,300
1,287
13
7
L50S070
70
500 450 200kA
20kA
420
4,100
4,930
1,670
17
10
L50S080
80
500 450 200kA
20kA
554
5,300
6,950
2,240
19
10
L50S090
90
500 450 200kA
20kA
677
6,750
9,500
2,900
24
13
L50S100
100
500 450 200kA
20kA
807
8,273
12,600
3,626
30
16
L50S125
125
500 450 200kA
20kA
1,290
13,100
19,000
5,150
22
12
L50S150
150
500 450 200kA
20kA
2,504
19,100
26,500
6,700
27
15
L50S175
175
500 450 200kA
20kA
3,224
26,300
35,000
8,700
33
17
L50S200
200
500 450 200kA
20kA
3,938
34,233
44,583
11,297
35
19
L50S225
225
500 450 200kA
20kA
6,034
43,500
56,000
14,750
31
17
L50S250
250
500 450 200kA
20kA
7,510
54,000
69,000
19,600
36
19
L50S275
275
500 450 200kA
20kA
9,000
65,500
82,000
25,500
41
22
L50S300
300
500 450 200kA
20kA
10,808
78,500
97,500
32,200
42
23
L50S350
350
500 450 200kA
20kA
16,500
107,000
132,000
50,100
50
28
L50S400
400
500 450 200kA
20kA
22,941
142,333
169,667
72,270
58
30
L50S450
450
500 450 200kA
20kA
29,300
178,500
208,000
95,000
58
32
L50S500
500
500 450 200kA
20kA
37,000
220,000
250,000
118,000
64
35
L50S550
550
500 450 200kA
20kA
45,851
311,667
347,333
176,766
75
41
L50S600
600
500 450 200kA
20kA
45,851
311,667
347,333
176,766
98
50
L50S700
700
500 450 200kA
20kA
82,396
460,000
622,333
289,000
96
51
L50S800
800
500 450 200kA
20kA
115,656
647,667
687,500
465,590
118
60
littelfuse.com
3 of 6
© 2015 Littelfuse POWR-GARD® Products
Rev: 082615
POWR-GARD® Fuse Datasheet
L50S SERIES HIGH-SPEED FUSE
Recommended Torque Values For Bus Bar Mounting
RECOMMENDED TORQUE VALUES FOR BUS BAR MOUNTING FUSE
CATALOG NUMBER
FUSE TORQUE–METRIC (STANDARD)
HARDWARE SIZE–METRIC (STANDARD)
L50S035
L50S040
L50S050
L50S060
L50S070
L50S080
L50S090
L50S100
L50S125
L50S150
L50S175
L50S200
L50S225
L50S250
L50S275
L50S300
L50S350
L50S400
L50S450
L50S500
L50S550
L50S600
L50S700
L50S800
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
8 N m (70.81 in-lb)
8 N m (70.81 in-lb)
8 N m (70.81 in-lb)
8 N m (70.81 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
15 N m (132.76 in-lb)
54 N m (477.94 in-lb)
54 N m (477.94 in-lb)
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M6 (1/4")
M6 (1/4")
M6 (1/4")
M6 (1/4")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M8 (5/16")
M12 (1/2")
M12 (1/2")
PERCENT OF UPRATING
Temperature De-rating Curve (Temperature of Air Immediately Surrounding Fuse)
60
40
20
0
20
40
60
-60˚ C
-76˚ F
-40˚ C
-40˚ F
-20˚ C
-4˚ F
0˚ C
-32˚ F
20˚ C
68˚ F
40˚ C
104˚ F
60˚ C
140˚ F
80˚ C
176˚ F
100˚ C
212˚ F
120˚ C
248˚ F
PERCENT OF DOWNRATING
0
140˚ C
284˚ F
AMBIENT TEMPERATURE
littelfuse.com
4 of 6
© 2015 Littelfuse POWR-GARD® Products
Rev: 082615
POWR-GARD® Fuse Datasheet
L50S SERIES HIGH-SPEED FUSE
100
90
80
70
60
50
40
100
90
80
70
60
50
40
30
30
20
20
10
9
8
7
6
5
4
40000
50000
60000
70000
80000
90000
100000
30000
20000
4000
5000
6000
7000
8000
9000
10000
3000
2000
400
500
600
700
800
900
1000
300
200
100
90
80
70
60
50
40
30
30
20
20
10
9
8
7
6
5
4
10
9
8
7
6
5
4
10
9
8
7
6
5
4
3
3
3
3
2
2
2
1
0.9
0.8
0.7
0.6
0.5
0.4
- 30A
- 25A
- 20A
0.3
- 15A
0.3
0.2
- 12A
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0 04
0.04
0.1
0.09
0.08
0.07
0.06
0.05
0 04
0.04
0.03
0.03
0.02
0.02
Melting (Pre‐arcing) Time in Seconds
1
0.9
0.8
0.7
0.6
0.5
0.4
2
- 60A
1
0.9
0.8
0.7
0.6
0.5
04
0.4
1
0.9
0.8
0.7
0.6
0.5
04
0.4
- 50A
- 40A
- 35A
0.3
0.2
0.3
0.2
- 10A
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.03
0.02
0.02
30
30
20
20
- 600A
- 450A
3
- 175A
1
0.9
0.8
0.7
0.6
0.5
0.4
- 150A
- 125A
0.3
0.3
0.2
0.2
Melting (Pre‐arcing) Time in Seconds
1
0.9
0.8
0.7
0.6
0.5
0.4
40000
50000
60000
70000
80000
90000
100000
30000
20000
4000
5000
6000
7000
8000
9000
10000
3000
2000
200000
60000
70000
80000
90000
100000
50000
40000
30000
20000
6000
7000
8000
9000
10000
5000
4000
3000
2000
600
700
800
900
1000
500
400
SHEET 3 OF 5
100
90
80
70
60
50
40
- 800A
30
- 700A
20
- 400A
10
9
8
7
6
5
4
2
- 200A
FCC01-L50S
FCC01
L50S
20
3
2
DRAWING NO.:
- THIS DATA IS GENERATED IN EXCEL -
30
10
9
8
7
6
5
4
- 500A
300
100
90
80
70
60
50
40
100
90
80
70
60
50
40
DRAWN BY: LLL
DATE:
1/28/2015
REVISION: A
TIME CURRENT CHARACTERISTIC CURVES
200
100
200000
60000
70000
80000
90000
100000
SHEET 2 OF 5
- THIS DATA IS GENERATED IN EXCEL -
10
9
8
7
6
5
4
400
500
600
700
800
900
1000
L50S 10A - 800A
CHICAGO, IL. USA
FCC01-L50S
FCC01
L50S
FUSE CATALOG NUMBER:
BASIS FOR DATA:
LITTELFUSE, INC.
50000
40000
30000
DRAWING NO.:
20000
6000
7000
8000
9000
10000
5000
4000
3000
2000
600
700
800
900
1000
500
400
300
200
100
90
80
70
60
50
40
TIME CONSTANT/POWER FACTOR:
500V
DRAWN BY: LLL
DATE:
1/28/2015
REVISION: A
CHICAGO, IL. USA
100
TEST VOLTAGE:
L50S 10A - 800A
TIME CURRENT CHARACTERISTIC CURVES
300
Prospective R.M.S Current in Ampere
FUSE CATALOG NUMBER:
BASIS FOR DATA:
LITTELFUSE, INC.
200
40000
50000
60000
70000
80000
90000
100000
Prospective R.M.S Current in Ampere
TIME CONSTANT/POWER FACTOR:
500V
40
50
60
70
80
90
100
0.0001
30
0.0001
20
0.0001
4
5
6
7
8
9
10
0.0002
0.0001
3
0.0003
0 0003
0.0002
2
0.0003
0 0003
0.0002
1
0.0003
0.0002
30000
0.0003
20000
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
4000
5000
6000
7000
8000
9000
10000
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
3000
0.0010
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
2000
0.0010
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
400
500
600
700
800
900
1000
0.002
300
0.003
0.002
200
0.003
0.0020
40
50
60
70
80
90
100
0.0030
0.0020
30
0.0030
20
0.01
0.009
0.008
0.007
0.006
0.005
0.004
4
5
6
7
8
9
10
0.01
0.009
0.008
0.007
0.006
0.005
0.004
3
0.01
0.0090
0.0080
0.0070
0.0060
0.0050
0.0040
2
0.01
0.0090
0.0080
0.0070
0.0060
0.0050
0.0040
TEST VOLTAGE:
10
9
8
7
6
5
4
- 350A
- 300A
- 275A
3
- 250A
3
2
- 225A
2
1
0.9
0.8
0.7
0.6
0.5
0.4
- 100A
1
0.9
0.8
0.7
0.6
0.5
0.4
- 90A
- 80A
- 70A
0.3
0.3
0.2
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.03
0.02
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.03
0.02
0.02
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0.01
0.009
0.008
0.007
0.006
0.005
0.004
0 003
0.003
0 003
0.003
0 003
0.003
0 003
0.003
0.002
0.002
0.002
0.002
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.001
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
L50S 10A - 800A
littelfuse.com
LITTELFUSE, INC.
CHICAGO, IL. USA
TIME CURRENT CHARACTERISTIC CURVES
DRAWN BY: LLL
DATE:
1/28/2015
REVISION: A
DRAWING NO.:
- THIS DATA IS GENERATED IN EXCEL -
200000
60000
70000
80000
90000
100000
50000
40000
30000
20000
6000
7000
8000
9000
10000
5000
4000
3000
2000
Prospective R.M.S Current in Ampere
FUSE CATALOG NUMBER:
BASIS FOR DATA:
600
700
800
900
1000
500V
500
300
TEST VOLTAGE:
Prospective R.M.S Current in Ampere
TIME CONSTANT/POWER FACTOR:
400
200
100
200000
60000
70000
80000
90000
100000
50000
40000
30000
20000
500V
6000
7000
8000
9000
10000
TEST VOLTAGE:
5000
0.0001
4000
0.0001
3000
0.0001
2000
0.0001
600
700
800
900
1000
0.0002
500
0.0003
0.0002
400
0.0003
300
0.0003
0.0002
200
0.0003
0.0002
100
Melting (P
Pre‐arcing) Time in Seco
onds
40
50
60
70
80
90
100
30
20
4
5
6
7
8
9
10
3
2
100
90
80
70
60
50
40
1
Melting (Pre‐arcing) Time in Seconds
1
40000
50000
60000
70000
80000
90000
100000
30000
20000
4000
5000
6000
7000
8000
9000
10000
3000
2000
400
500
600
700
800
900
1000
300
200
40
50
60
70
80
90
100
30
20
4
5
6
7
8
9
10
3
2
1
Time Current Curves
FCC01-L50S
FCC01
L50S
FUSE CATALOG NUMBER:
L50S 10A - 800A
BASIS FOR DATA:
5 of 6
SHEET 4 OF 5
TIME CONSTANT/POWER FACTOR:
LITTELFUSE, INC.
CHICAGO, IL. USA
DRAWN BY: LLL
DATE:
1/28/2015
REVISION: A
© 2015 Littelfuse POWR-GARD® Products
TIME CURRENT
CU
CHARACTERISTIC CURVES
C
C
S C CU
S
DRAWING NO.:
- THIS DATA IS GENERATED IN EXCEL -
FCC01-L50S
FCC01
L50S
Rev: 082615
SHEET 5 OF 5
POWR-GARD® Fuse Datasheet
L50S SERIES HIGH-SPEED FUSE
200,000
50,000
60,000
70,000
80,000
90,000
100,000
40,000
30,000
20,000
5,000
6,000
7,000
8,000
9,000
10,000
4,000
3,000
2,000
500
600
700
800
900
1,000
400
300
200
50
60
70
80
90
100
40
30
20
1000
900
900
50,000
800
800
700
700
600
600
500
500
400A -
40,000
30,000
200A -
30,000
100A -
20,000
60A 30A -
10,000
9,000
8,000
7,000
6,000
5,000
4,000
4,000
3,000
3,000
2,000
2,000
1,000
900
800
700
600
1,000
900
800
700
600
500
500
100
100
Operating Voltage in Volts
FUSE CATALOG NUMBER:
Total Clearing I t Correction Factor Curve
CHICAGO, IL. USA
DRAWING NO.:
FCC05-L50S
Watts Loss Correction Factor Curve
CHICAGO, IL. USA
DRAWING NO.:
ARC VOLTAGE
SHEET 1
3 OF 1
3
L50S ARC
FCC0VOLTAGE
100
- THIS DATA IS GENERATED IN EXCEL -
90
80
70
60
50
40
30
500
1
1
1
1
0.9
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
Watts LLoss Correction Facto
or
0.9
0.9
0.9
Total Cleaaring I2t Correction Facttor
L50S
L70S10A-800A
35-800A
DRAWN BY: LLL
DATE:
01/26/2015
REVISION: A
LITTELFUSE, INC.
SHEET 2 OF 9
400
300
200
100
- DATA GENERATED IN EXCEL -
FUSE CATALOG NUMBER:
BASIS FOR DATA:
DRAWN BY: LLL
DATE:
02/10/2015
REVISION: A
PEAK LET‐THRU CHARACTERISTIC CURVES
TIME CONSTANT/POWER FACTOR:
TEST VOLTAGE:
L50S 10A-800A
BASIS FOR DATA:
LITTELFUSE, INC.
2
500
200,000
200
400
50,000
60,000
70,000
80,000
90,000
100,000
200
300
40,000
300
200
30,000
- 225A - 800A
300
AVAILABLE FAULT CURRENT
SYMMETRICAL R.M.S. AMPERES
TIME CONSTANT/POWER FACTOR:
TEST VOLTAGE: 500V
400
- 35A - 200A
100
20,000
10
5,000
6,000
7,000
8,000
9,000
10,000
10
4,000
20
3,000
30
20
2,000
40
30
500
600
700
800
900
1,000
50
40
400
50
300
100
90
80
70
60
200
100
90
80
70
60
50
60
70
80
90
100
200
40
200
30
400
300
20
400
300
- 10A - 30A
400
Peaak Arc Voltage in Volt
10A -
5,000
10
PEAK LET- THRU IN AMPERES
10,000
9,000
8,000
7,000
6,000
500
1000
100,000
90,000
80,000
70,000
60,000
40,000
20,000
400
600A -
50,000
300
800A -
200
100,000
90,000
80,000
70,000
60,000
Peak Arc Voltage Curve
100
10
Peak Let-Thru Curve
- 10A - 30A
- 35A - 800A
0.3
0.3
0.2
0.1
- 10A - 800A
0.3
0.3
0.2
0.2
0.2
0.1
0.1
0.1
100
I2T CORRECTION FACTOR
90
TEST VOLTAGE: 500V
L50S10A-800A
35-800A
L50S
CHICAGO, IL. USA
80
littelfuse.com
70
Percent of Rated Current
FUSE CATALOG NUMBER:
BASIS FOR DATA:
LITTELFUSE, INC.
60
TIME CONSTANT/POWER FACTOR:
50
40
30
500
400
300
200
100
Operating Voltage in Volt
TEST VOLTAGE: 100V - 500V
DRAWING NO.:
- THIS DATA IS GENERATED IN EXCEL -
SHEET 1
3 OF 1
3
L50S I2TFCC0
FCC0CORRECTION
FUSE CATALOG NUMBER:
L50S10A-800A
35-800A
L50S
BASIS FOR DATA:
6 of 6
DRAWN BY: LLL
DATE:
01/26/2015
REVISION: A
TIME CONSTANT/POWER FACTOR:
LITTELFUSE, INC.
CHICAGO, IL. USA
WATTS LOSS CORRECTION
I2T CORRECTION FACTOR
© 2015 Littelfuse POWR-GARD® Products
DRAWN BY: LLL
DATE:
01/26/2015
02/03/2015
REVISION: A
DRAWING NO.:
- THIS DATA IS GENERATED IN EXCEL -
Rev: 082615
SHEET 1
3 OF 1
3
L50S WATTS LOSS
FCC0-CORRECTION
FCC0