Part | RoHS | Manufacturer | Circuit Protection Type | Mounting Feature | Rated AC Voltage | Rated DC Voltage | Rated Current | Terminal Shape | Nominal Joule Integral | Minimum Operating Temperature | Terminal Finish | Rated Breaking Capacity | Manufacturer Series | Trip Time/Delay | Additional Features | Pre Arcing Rating (A2/s) | Packing Method | Body Length/Diameter | Body Width | Fuse Class | JESD-609 Code | Rated Voltage | Resistance | Minimum Pre Arcing Time | Fuse Size | Built-in Features | Dimensions | Body Height | Reference Standard | Maximum Operating Temperature | Blow Characteristic |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
50 A |
End Cap |
200 kA |
Rated Breaking Capacity at 125 VDC: 20000 A |
Bulk |
0.815 in (20.7 mm) |
3 in (76.2 mm) |
CSA; UL |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
50 A |
End Cap |
200 kA |
Bulk |
1.063 in (27 mm) |
1.063 x 2.374 in (27 x 60.3 mm) |
2.374 in (60.3 mm) |
CE; CSA; QPL; UL |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
275 V |
50 A |
Tab/Blade |
1.495 kJ |
-40 °C (-40 °F) |
10 kA |
50 ms |
1.531 in (38.9 mm) |
CSA; UL |
125 °C (257 °F) |
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|
Littelfuse |
Electric Fuse |
50 A |
End Cap |
100 kA |
0.406 in (10.3 mm) |
G |
480 V |
0.406 x 2.252 in (10.3 x 57.2 mm) |
2.252 in (57.2 mm) |
CSA, UL |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
500 V |
50 A |
Tab/Blade |
211 J |
-55 °C (-67 °F) |
200 kA |
Rated Breaking Capacity at 500 VDC: 50000 A |
Bulk |
1 in (25.4 mm) |
10 ms |
2.125 in (53.98 mm) |
CE; CUL; UL |
125 °C (257 °F) |
Very Fast |
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|
Bourns |
Electric Fuse |
Inline/Holder |
800 V |
800 V |
50 A |
Tab/Blade |
800 J |
-55 °C (-67 °F) |
100 kA |
Rated Breaking Capacity at 800 VDC: 50000 A |
Bulk |
0.949 in (24.1 mm) |
2.598 in (66 mm) |
CUL; UL |
125 °C (257 °F) |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
50 A |
Tab/Blade |
13 kJ |
-40 °C (-40 °F) |
Tin |
2 kA |
Bulk |
0.63 in (16 mm) |
0.472 in (12 mm) |
e3 |
0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm) |
0.315 in (8 mm) |
UL |
125 °C (257 °F) |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
50 A |
Tab/Blade |
13 kJ |
-40 °C (-40 °F) |
2 kA |
Bulk |
0.63 in (16 mm) |
0.472 in (12 mm) |
0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm) |
0.315 in (8 mm) |
UL |
125 °C (257 °F) |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
58 V |
50 A |
Tab/Blade |
6.9 kJ |
-40 °C (-40 °F) |
Tin |
1 kA |
6900 |
0.63 in (16 mm) |
0.472 in (12 mm) |
e3 |
58 V |
0.472 x 0.307 x 0.63 in (12 x 7.8 x 16 mm) |
0.307 in (7.8 mm) |
UL |
125 °C (257 °F) |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
300 V |
160 V |
50 A |
End Cap |
200 kA |
Rated Breaking Capacity at 160 VDC: 20000 A |
0.563 in (14.3 mm) |
300 V |
0.874 in (22.2 mm) |
CE; CSA; CUL; UL |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
50 A |
End Cap |
200 kA |
Rated Breaking Capacity at 300 VDC: 20000 A |
Bulk |
1.063 in (27 mm) |
2.374 in (60.3 mm) |
CSA; UL |
Time Delay |
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|
Bourns |
Electric Fuse |
Inline/Holder |
275 V |
500 V |
50 A |
Tab/Blade |
9.203 kJ |
-55 °C (-67 °F) |
10 kA |
1 s |
Bulk |
0.406 in (10.3 mm) |
1.496 in (38 mm) |
125 °C (257 °F) |
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|
Eaton Corporation |
Electric Fuse |
Inline/Holder |
690 V |
690 V |
50 A |
End Cap |
80 kA |
C22 |
0.866 in (22 mm) |
0.866 x 2.283 in (22 x 58 mm) |
2.283 in (58 mm) |
IEC |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
50 A |
200 kA |
FLSR |
Rated Breaking Capacity at 300 VDC: 20000 A |
1.063 in (27 mm) |
5.5 in (139.7 mm) |
CSA; UL |
Time Delay |
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|
Phoenix Contact |
Electric Fuse |
Inline/Holder |
400 V |
250 V |
50 A |
End Cap |
-60 °C (-76 °F) |
0.591 in (15 mm) |
400 V |
1.417 in (36 mm) |
85 °C (185 °F) |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
50 A |
Tab/Blade |
13 kJ |
-40 °C (-40 °F) |
2 kA |
Bulk |
0.63 in (16 mm) |
0.472 in (12 mm) |
0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm) |
0.315 in (8 mm) |
UL |
125 °C (257 °F) |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
50 A |
Tab/Blade |
11.3 kJ |
-40 °C (-40 °F) |
Silver |
1 kA |
40 ms |
11300 |
Bulk |
1.15 in (29.2 mm) |
0.346 in (8.8 mm) |
e4 |
32 V |
1.15 x 0.348 x 0.85 in (29.21 x 8.85 x 21.59 mm) |
0.85 in (21.6 mm) |
UL |
125 °C (257 °F) |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
58 V |
50 A |
-40 °C (-40 °F) |
1 kA |
0.555 in (14.1 mm) |
0.472 in (12 mm) |
0.555 x 0.472 x 1.063 in (14.1 x 12 x 27 mm) |
1.063 in (27 mm) |
125 °C (257 °F) |
Slow |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
50 A |
End Cap |
80 kA |
5NLE-50E |
3 in (76.2 mm) |
3 x 17.874 in (76.2 x 454 mm) |
17.874 in (454 mm) |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
250 V |
50 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 250 VDC: 20000 A |
0.811 in (20.6 mm) |
1.626 in (41.3 mm) |
CE; CSA; UL |
Very Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
50 A |
Tab/Blade |
-55 °C (-67 °F) |
200 kA |
0.811 in (20.6 mm) |
2.78 in (70.6 mm) |
CSA; UL |
125 °C (257 °F) |
Very Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
150 V |
150 V |
50 A |
End Cap |
100 kA |
KLA |
Rated Breaking Capacity at 150 VDC: 20000 A |
0.811 in (20.6 mm) |
0.811 x 2 in (20.6 x 50.8 mm) |
2 in (50.8 mm) |
CSA; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
8.25 KV |
50 A |
End Cap |
80 kA |
LDZ |
3 in (76.2 mm) |
3 x 15.875 in (76.2 x 403.23 mm) |
15.875 in (403.23 mm) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
50 A |
End Cap |
80 kA |
LCU |
3 in (76.2 mm) |
3 x 17.875 in (76.2 x 454.03 mm) |
17.875 in (454.03 mm) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
450 V |
50 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 450 VDC: 20000 A |
0.811 in (20.6 mm) |
0.811 x 1.626 in (20.6 x 41.3 mm) |
1.626 in (41.3 mm) |
CSA; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
150 V |
150 V |
50 A |
End Cap |
100 kA |
KLW |
Rated Breaking Capacity at 150 VDC: 20000 A |
0.811 in (20.6 mm) |
0.811 x 2 in (20.6 x 50.8 mm) |
2 in (50.8 mm) |
CSA; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
2.75 KV |
50 A |
End Cap |
80 kA |
50E-1C-2.75 |
3 in (76.2 mm) |
3 x 10.874 in (76.2 x 276.2 mm) |
10.874 in (276.2 mm) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
15.5 KV |
50 A |
Tab/Blade |
60 kA |
4.75 in (120.65 mm) |
4.75 x 18.1 in (120.65 x 459.74 mm) |
18.1 in (459.74 mm) |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
58 V |
50 A |
Tab/Blade |
4.9 kJ |
-40 °C (-40 °F) |
1 kA |
40 ms |
Bulk |
0.571 in (14.5 mm) |
0.472 in (12 mm) |
58 V |
0.63 in (16 mm) |
ISO; SAE |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
450 V |
50 A |
Tab/Blade |
200 kA |
KLH |
Rated Breaking Capacity at 450 VDC: 20000 A |
0.811 in (20.6 mm) |
0.811 x 1.626 in (20.6 x 41.3 mm) |
1.626 in (41.3 mm) |
CSA; UL |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
48 V |
48 V |
50 A |
Tab/Blade |
2.5 kA |
1.535 in (39 mm) |
1.195 in (30.35 mm) |
1.535 x 1.195 x 0.683 in (39 x 30.35 x 17.35 mm) |
0.683 in (17.35 mm) |
UL |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
275 V |
50 A |
End Cap |
1.495 kJ |
-40 °C (-40 °F) |
10 kA |
50 ms |
0.406 in (10.3 mm) |
1.531 in (38.9 mm) |
CSA; UL |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
8.25 KV |
50 A |
End Cap |
80 kA |
Hermitically Sealed Part Number |
3 in (76.2 mm) |
3 x 15.875 in (76.2 x 403.23 mm) |
15.875 in (403.23 mm) |
Medium |
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|
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
75 V |
50 A |
Wraparound |
2.7 kJ |
-55 °C (-67 °F) |
Silver |
100 A |
1 m |
Pre Arcing Time: Open within 60 s at 200% Rated Current, Rated Breaking Capacity at 75 VDC: 600 A |
Tape And Reel |
0.48 in (12.2 mm) |
0.177 in (4.5 mm) |
e4 |
125 V |
Nano |
0.177 in (4.5 mm) |
CUL; UL |
125 °C (257 °F) |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
36 V |
50 A |
Tab/Blade |
-40 °C (-40 °F) |
375 A |
1 m |
Bulk |
0.709 in (18 mm) |
0.551 in (14 mm) |
0.256 in (6.5 mm) |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
15.5 KV |
50 A |
End Cap |
80 kA |
LDN |
3 in (76.2 mm) |
3 x 18.875 in (76.2 x 479.43 mm) |
18.875 in (479.43 mm) |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
50 A |
Tab/Blade |
8.8 kJ |
-40 °C (-40 °F) |
1 kA |
40 ms |
0.555 in (14.1 mm) |
0.472 in (12 mm) |
32 V |
1.063 in (27 mm) |
UL |
125 °C (257 °F) |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
1.5 KV |
50 A |
End Cap |
657 J |
50 kA |
6 m |
Bulk |
0.813 in (20.65 mm) |
6.44 in (163.58 mm) |
TUV; UL |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
1.5 KV |
50 A |
End Cap |
657 J |
50 kA |
6 m |
Bulk |
0.813 in (20.65 mm) |
6.222 in (158.04 mm) |
CUL; UL |
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Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
50 A |
Tab/Blade |
10 kA |
0.812 in (20.62 mm) |
1.623 in (41.23 mm) |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
690 V |
700 V |
50 A |
End Cap |
800 mJ |
200 kA |
Rated Breaking Capacity at 700 VDC: 100000 A |
0.866 in (22 mm) |
0.866 x 2.283 in (22 x 58 mm) |
2.283 in (58 mm) |
CSA; UL |
Very Fast |
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|
Littelfuse |
Electric Fuse |
50 A |
-40 °C (-40 °F) |
0.898 in (22.8 mm) |
0.638 in (16.2 mm) |
32 V |
0.898 x 0.638 x 0.846 in (22.8 x 16.2 x 21.5 mm) |
0.846 in (21.5 mm) |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
50 A |
Tab/Blade |
21 kJ |
-40 °C (-40 °F) |
1 kA |
Bulk |
1.173 in (29.8 mm) |
0.358 in (9.1 mm) |
40 ms |
0.835 in (21.2 mm) |
85 °C (185 °F) |
Time Lag |
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Littelfuse |
Electric Fuse |
Inline/Holder |
58 V |
50 A |
Tab/Blade |
21 kJ |
-40 °C (-40 °F) |
1 kA |
Bulk |
1.173 in (29.8 mm) |
0.358 in (9.1 mm) |
40 ms |
0.835 in (21.2 mm) |
CUL; UL |
85 °C (185 °F) |
Time Lag |
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|
Littelfuse |
Electric Fuse |
50 A |
-40 °C (-40 °F) |
0.906 in (23 mm) |
0.646 in (16.4 mm) |
32 V |
0.906 x 0.646 x 1.205 in (23 x 16.4 x 30.6 mm) |
1.205 in (30.6 mm) |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
50 A |
Tab/Blade |
10 kA |
0.81 in (20.57 mm) |
3.74 in (94.99 mm) |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
480 V |
50 A |
End Cap |
100 kA |
0.406 in (10.3 mm) |
G |
480 V |
0.406 x 2.252 in (10.3 x 57.2 mm) |
2.252 in (57.2 mm) |
CSA; UL |
Medium Time Delay |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
50 A |
Tab/Blade |
13 kJ |
-40 °C (-40 °F) |
2 kA |
Bulk |
0.63 in (16 mm) |
0.472 in (12 mm) |
0.315 in (8 mm) |
UL |
125 °C (257 °F) |
Time Delay |
A fuse is an electrical safety device that is designed to protect an electrical circuit from damage caused by overcurrent. Fuses are commonly used in residential, commercial, and industrial electrical systems, and they are an important safety device that helps prevent electrical fires, equipment damage, and personal injury.
A fuse typically consists of a metal wire or filament that is enclosed in a fuse body, which is designed to protect the wire from damage. The fuse is connected in series with the electrical circuit, and when the current flowing through the circuit exceeds a preset level, the wire in the fuse will melt or blow, which opens the circuit and prevents further damage to the electrical system.
Fuses are available in a variety of types and sizes, and they can be classified based on their current rating, voltage rating, and speed of operation. Some common types of fuses include cartridge fuses, blade fuses, and plug fuses.
In addition to protecting electrical systems from overcurrent, fuses can also be used to protect electrical equipment and machinery from damage caused by short circuits or other types of electrical faults. They are a cost-effective and reliable method of electrical protection, and they are widely used in a variety of electrical applications.