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 |
32 V |
300 A |
Tab/Blade |
378.9 kJ |
-40 °C (-40 °F) |
Tin |
2 kA |
100 ms |
1.15 in (29.2 mm) |
0.75 in (19.05 mm) |
e3 |
32 V |
Mega |
0.389 in (9.89 mm) |
125 °C (257 °F) |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
600 V |
300 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 600 VDC: 50000 |
2.5 in (63.5 mm) |
2.5 x 3.752 in (63.5 x 95.3 mm) |
3.752 in (95.3 mm) |
CSA; UL |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
440 V |
300 A |
Tab/Blade |
120 kA |
Rated Breaking Capacity at 440 VDC: 25000 A |
2.921 in (74.2 mm) |
1.969 in (50 mm) |
Indicator |
2.921 x 1.969 x 2.835 in (74.2 x 50 x 72 mm) |
2.835 in (72 mm) |
VDE |
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Littelfuse |
Electric Fuse |
Inline/Holder |
2.75 KV |
300 A |
End Cap |
80 kA |
300E-2C-2.75 |
6.378 in (162 mm) |
6.378 x 10.874 in (162 x 276.2 mm) |
10.874 in (276.2 mm) |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
120 V |
300 A |
Tab/Blade |
434 kJ |
-40 °C (-40 °F) |
2.5 kA |
100 ms |
1.15 in (29.2 mm) |
0.748 in (19 mm) |
Mega |
0.39 in (9.9 mm) |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
480 V |
300 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 480 VDC: 20000 A |
2.5 in (63.5 mm) |
2.5 x 3.752 in (63.5 x 95.3 mm) |
3.752 in (95.3 mm) |
CSA; UL |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
450 V |
300 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 450 VDC: 20000 A |
1.5 in (38.1 mm) |
1.5 x 2.094 in (38.1 x 53.2 mm) |
2.094 in (53.2 mm) |
CE; CSA; UL |
Very Fast |
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|
Littelfuse |
Electric Fuse |
Panel Mount |
32 V |
300 A |
Wraparound |
305.3 kJ |
-40 °C (-40 °F) |
2 kA |
100 ms |
1.232 in (31.3 mm) |
0.984 in (25 mm) |
0.63 in (16 mm) |
125 °C (257 °F) |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
300 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 125 VDC: 20000 A |
2.094 in (53.2 mm) |
Indicator |
2.094 x 8.626 in (53.2 x 219.1 mm) |
8.626 in (219.1 mm) |
CSA; QPL; UL |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
2.75 KV |
300 A |
End Cap |
80 kA |
LCX |
Hermitically Sealed Part Number |
6.38 in (162.05 mm) |
6.38 x 10.875 in (162.05 x 276.23 mm) |
10.875 in (276.23 mm) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
300 A |
End Cap |
80 kA |
LCU |
6.38 in (162.05 mm) |
6.38 x 17.875 in (162.05 x 454.03 mm) |
17.875 in (454.03 mm) |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
70 V |
300 A |
Tab/Blade |
340 kJ |
-40 °C (-40 °F) |
Tin |
2.5 kA |
100 ms |
Bulk |
1.15 in (29.2 mm) |
0.748 in (19 mm) |
e3 |
70 V |
Mega |
0.39 in (9.9 mm) |
ISO |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
300 A |
Tab/Blade |
200 kA |
KLNR |
Rated Breaking Capacity at 125 VDC: 20000 A |
2.094 in (53.2 mm) |
8.626 in (219.1 mm) |
CSA; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
150 V |
100 V |
300 A |
Tab/Blade |
100 kA |
KLW |
Rated Breaking Capacity at 100 VDC: 20000 A |
1 in (25.4 mm) |
1 x 1.157 in (25.4 x 29.4 mm) |
1.157 in (29.4 mm) |
CSA; UL |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
1 KV |
300 A |
Tab/Blade |
10 kA |
2.594 in (65.9 mm) |
7.478 in (189.94 mm) |
UL |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
70 V |
300 A |
Tab/Blade |
300 kJ |
-40 °C (-40 °F) |
2.5 kA |
500 ms |
1.15 in (29.21 mm) |
0.75 in (19.05 mm) |
0.39 in (9.9 mm) |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
2.75 KV |
300 A |
End Cap |
80 kA |
Hermitically Sealed Part Number |
6.38 in (162.05 mm) |
6.38 x 10.875 in (162.05 x 276.23 mm) |
10.875 in (276.23 mm) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
300 A |
Tab/Blade |
10 kA |
1.06 in (26.92 mm) |
1 x 4.612 in (25.4 x 117.14 mm) |
4.702 in (119.43 mm) |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
450 V |
300 A |
Tab/Blade |
200 kA |
KLH |
Rated Breaking Capacity at 450 VDC: 20000 A |
1.5 in (38.1 mm) |
1.5 x 2.094 in (38.1 x 53.2 mm) |
2.094 in (53.2 mm) |
CSA; UL |
Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
300 A |
Tab/Blade |
315 kJ |
-40 °C (-40 °F) |
2 kA |
100 ms |
Bulk |
1.15 in (29.2 mm) |
0.748 in (19 mm) |
32 V |
Mega |
0.421 in (10.7 mm) |
125 °C (257 °F) |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
2.75 KV |
300 A |
End Cap |
80 kA |
LCX |
6.38 in (162.05 mm) |
6.38 x 10.875 in (162.05 x 276.23 mm) |
10.875 in (276.23 mm) |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
80 V |
300 A |
Tab/Blade |
2.7 kA |
3.181 in (80.8 mm) |
3.18 in (80.77 mm) |
CUL; UL |
Very Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
8.25 KV |
300 A |
Tab/Blade |
80 kA |
7.94 in (201.68 mm) |
7.94 x 16.131 in (201.68 x 409.72 mm) |
16.131 in (409.72 mm) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
480 V |
300 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 480 VDC: 20000 A |
2.5 in (63.5 mm) |
2.5 x 3.752 in (63.5 x 95.3 mm) |
3.752 in (95.3 mm) |
CSA; UL |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
300 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 300 VDC: 20000 A |
2.594 in (65.9 mm) |
Indicator |
2.594 x 11.626 in (65.9 x 295.3 mm) |
11.626 in (295.3 mm) |
CSA; UL |
Time Delay |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
48 V |
300 A |
Tab/Blade |
2.5 kA |
3.181 in (80.8 mm) |
2.43 in (61.72 mm) |
UL |
Very Fast |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
120 V |
300 A |
Tab/Blade |
434 kJ |
-40 °C (-40 °F) |
2.5 kA |
100 ms |
1.15 in (29.2 mm) |
0.748 in (19 mm) |
Mega |
0.39 in (9.9 mm) |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
250 V |
300 A |
Tab/Blade |
200 kA |
2CM |
Rated Breaking Capacity at 250 VDC: 80000 A |
2.283 in (58 mm) |
2.283 x 3.189 in (58 x 81 mm) |
3.189 in (81 mm) |
CSA |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
300 A |
Tab/Blade |
486 kJ |
-40 °C (-40 °F) |
2 kA |
100 ms |
1.142 in (29 mm) |
0.642 in (16.3 mm) |
32 V |
0.37 in (9.4 mm) |
UL |
125 °C (257 °F) |
Slow |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
300 A |
End Cap |
80 kA |
10 m |
6.382 in (162.1 mm) |
Striker |
6.38 x 17.875 in (162.05 x 454.03 mm) |
17.875 in (454.03 mm) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
200 V |
300 A |
Tab/Blade |
200 kA |
KLB |
Rated Breaking Capacity at 200 VDC: 20000 A |
1.5 in (38.1 mm) |
1.5 x 1.594 in (38.1 x 40.5 mm) |
1.594 in (40.5 mm) |
CSA; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
2.75 KV |
300 A |
End Cap |
80 kA |
10 m |
6.382 in (162.1 mm) |
Striker |
6.38 x 10.875 in (162.05 x 276.23 mm) |
10.874 in (276.2 mm) |
Medium |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
600 V |
300 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 600 VDC: 20000 A |
Bulk |
2.543 in (64.6 mm) |
11.626 in (295.3 mm) |
CSA; UL |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
150 V |
100 V |
300 A |
Tab/Blade |
100 kA |
KLA |
Rated Breaking Capacity at 100 VDC: 20000 A |
1 in (25.4 mm) |
1 x 1.157 in (25.4 x 29.4 mm) |
1.157 in (29.4 mm) |
CSA; UL |
Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
300 A |
Tab/Blade |
10 kA |
1.06 in (26.92 mm) |
4.702 in (119.43 mm) |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 A |
Tab/Blade |
-55 °C (-67 °F) |
200 kA |
1.579 in (40.1 mm) |
1.579 x 2.906 in (40.1 x 73.8 mm) |
2.906 in (73.8 mm) |
CSA; UL |
125 °C (257 °F) |
Very Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
1 KV |
750 V |
300 A |
Tab/Blade |
160 J |
100 kA |
Rated Breaking Capacity at 750 VDC: 100000 A |
2 in (50.8 mm) |
2 x 3.469 in (50.8 x 88.1 mm) |
3.469 in (88.1 mm) |
UL |
Very Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
1 KV |
750 V |
300 A |
Tab/Blade |
160 J |
100 kA |
Rated Breaking Capacity at 750 VDC: 100000 A |
2 in (50.8 mm) |
Indicator |
2 x 3.469 in (50.8 x 88.1 mm) |
3.469 in (88.1 mm) |
UL |
Very Fast |
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|
Littelfuse |
Electric Fuse |
Surface Mount |
80 V |
300 A |
Wraparound |
259.2 kJ |
-40 °C (-40 °F) |
2 kA |
100 ms |
1.232 in (31.3 mm) |
0.984 in (25 mm) |
0.63 in (16 mm) |
125 °C (257 °F) |
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Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 A |
Tab/Blade |
-55 °C (-67 °F) |
200 kA |
2 in (50.8 mm) |
2 x 2.843 in (50.8 x 72.2 mm) |
2.843 in (72.2 mm) |
CSA; UL |
125 °C (257 °F) |
Very Fast |
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Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
300 A |
End Cap |
80 kA |
LCY |
Hermitically Sealed Part Number |
6.38 in (162.05 mm) |
6.38 x 15.875 in (162.05 x 403.23 mm) |
15.875 in (403.23 mm) |
Medium |
|||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
5.5 KV |
300 A |
End Cap |
80 kA |
LCU |
Hermitically Sealed Part Number |
6.38 in (162.05 mm) |
6.38 x 17.875 in (162.05 x 454.03 mm) |
17.875 in (454.03 mm) |
Medium |
|||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
500 V |
300 A |
Tab/Blade |
200 kA |
Rated Breaking Capacity at 500 VDC: 20000 A |
Bulk |
2 in (50.8 mm) |
Indicator |
2.126 x 3.374 in (54 x 85.7 mm) |
3.374 in (85.7 mm) |
CSA; UL |
Time Delay |
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Littelfuse |
Electric Fuse |
Inline/Holder |
15.5 KV |
300 A |
End Cap |
60 kA |
300E-3C-15.5 |
9.748 in (247.6 mm) |
9.748 x 18.874 in (247.6 x 479.4 mm) |
18.874 in (479.4 mm) |
|||||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
15.5 KV |
300 A |
End Cap |
60 kA |
Hermitically Sealed Part Number |
9.75 in (247.65 mm) |
9.75 x 23.875 in (247.65 x 606.43 mm) |
23.875 in (606.43 mm) |
Medium |
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|
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
300 A |
Tab/Blade |
486 kJ |
-40 °C (-40 °F) |
2 kA |
100 ms |
1.142 in (29 mm) |
0.642 in (16.3 mm) |
32 V |
0.37 in (9.4 mm) |
UL |
125 °C (257 °F) |
Slow |
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.