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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
250 V |
4 A |
Pin Wire |
7.9 J |
-40 °C (-40 °F) |
Tin |
40 A |
662 |
Rated Breaking Capacity at 250 VDC: 40 A |
Bulk |
0.335 in (8.5 mm) |
e3 |
0.335 x 0.333 in (8.5 x 8.45 mm) |
0.333 in (8.45 mm) |
CCC; KTL; PSE; UL |
85 °C (185 °F) |
Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Matte Tin |
50 A |
251 |
Rated Breaking Capacity at 125 VDC: 300 A |
Bulk |
0.11 in (2.8 mm) |
e3 |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CCC; CSA; PSE; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
125 V |
4 A |
End Cap |
36 J |
-55 °C (-67 °F) |
300 A |
5 m |
0.701 in (17.8 mm) |
0.228 in (5.8 mm) |
125 V |
Alarm; Indicator |
0.772 in (19.6 mm) |
CSA; UL |
125 °C (257 °F) |
Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
14.64 J |
-55 °C (-67 °F) |
40 A |
3 ms |
14.64 |
Bulk |
0.142 in (3.6 mm) |
250 V |
0.142 x 0.394 in (3.6 x 10 mm) |
0.142 x 0.394 in (3.6 x 10 mm) |
0.394 in (10 mm) |
CCC; CUL; KC; PSE; UL; VDE |
125 °C (257 °F) |
Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
10.4 J |
-55 °C (-67 °F) |
Tin |
750 A |
10.4 |
0.275 in (6.99 mm) |
e3 |
250 V |
3AB |
0.275 x 1.288 in (6.99 x 32.72 mm) |
1.288 in (32.72 mm) |
CE, CSA, PSE, UL |
125 °C (257 °F) |
Fast |
|||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
4 A |
End Cap |
53 J |
0.197 in (5 mm) |
0.197 x 0.787 in (5 x 20 mm) |
0.787 in (20 mm) |
CSA; MITI; UL |
Medium |
||||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
45 V |
63 V |
4 A |
Wraparound |
1.024 J |
-55 °C (-67 °F) |
Matte Tin Over Nickel |
50 A |
1 s |
Tape And Reel |
0.126 in (3.2 mm) |
0.064 in (1.63 mm) |
e3 |
1206 |
0.033 in (0.835 mm) |
AEC-Q200; CSA; CUL; UL |
150 °C (302 °F) |
Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
32 V |
4 A |
Wraparound |
2.74 J |
50 A |
RF0459-000 |
UL |
125 °C (257 °F) |
||||||||||||||||||||
Littelfuse |
Electric Fuse |
4 A |
-40 °C (-40 °F) |
40 A |
80 |
0.335 in (8.5 mm) |
250 V |
0.335 x 0.333 in (8.5 x 8.45 mm) |
0.333 in (8.45 mm) |
CCC, CSA, METI, SEMKO, UL, VDE |
85 °C (185 °F) |
Time Lag |
|||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Matte Tin |
50 A |
251 |
Rated Breaking Capacity at 125 VDC: 300 A |
Ammo Pack |
0.11 in (2.8 mm) |
e3 |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CCC; CSA; PSE; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Pure Tin |
50 A |
253 |
Rated Breaking Capacity at 125 VDC: 300 A |
Ammo Pack |
0.11 in (2.8 mm) |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; PSE; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
148 J |
-55 °C (-67 °F) |
Matte Tin |
400 A |
Tape And Reel |
0.185 in (4.7 mm) |
e3 |
0.185 x 0.57 in (4.7 x 14.48 mm) |
0.57 in (14.48 mm) |
CE; CSA; PSE; UL |
125 °C (257 °F) |
Time Lag |
||||||||||||
Littelfuse |
Electric Fuse |
Surface Mount |
24 V |
24 V |
4 A |
Wraparound |
1.5 J |
-55 °C (-67 °F) |
Tin Lead Over Nickel |
35 A |
429 |
Rated Breaking Capacity at 24 VDC: 35 A |
Tape And Reel |
0.125 in (3.18 mm) |
0.06 in (1.52 mm) |
e0 |
0.125 x 0.06 x 0.045 in (3.18 x 1.52 x 1.14 mm) |
0.045 in (1.14 mm) |
CSA; UL |
90 °C (194 °F) |
Very Fast |
||||||||||
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
125 V |
4 A |
Wraparound |
34.4 J |
-55 °C (-67 °F) |
Gold |
50 A |
0452 |
Rated Breaking Capacity at 125 VDC: 50 A |
Tape And Reel |
0.24 in (6.1 mm) |
0.106 in (2.69 mm) |
e4 |
0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm) |
0.106 in (2.69 mm) |
CSA; PSE; UL |
125 °C (257 °F) |
Time Lag |
||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
4 A |
End Cap |
9.71 J |
-55 °C (-67 °F) |
Matte Tin |
400 A |
Bulk |
0.25 in (6.35 mm) |
e3 |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CE; CSA; PSE; UL |
125 °C (257 °F) |
Time Lag |
|||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
4 A |
Tab/Blade |
200 kA |
0.563 in (14.3 mm) |
0.563 x 1.874 in (14.3 x 47.6 mm) |
1.874 in (47.6 mm) |
CSA; UL |
Fast |
||||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
4 A |
End Cap |
9.4 J |
10 kA |
Bulk |
0.177 in (4.5 mm) |
0.177 x 0.57 in (4.5 x 14.48 mm) |
0.57 in (14.48 mm) |
CSA; METI; PSE; UL |
Fast |
||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
4 A |
End Cap |
14.995 J |
-55 °C (-67 °F) |
Tin |
1.5 kA |
14.995 |
Bulk |
0.205 in (5.2 mm) |
e3 |
250 V |
0.197 x 0.787 in (5 x 20 mm) |
0.205 x 0.787 in (5.2 x 20 mm) |
0.787 in (20 mm) |
CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE |
125 °C (257 °F) |
Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
125 V |
125 V |
4 A |
Wraparound |
40.8 J |
-55 °C (-67 °F) |
Gold |
50 A |
2 ms |
40.8 |
Tape And Reel |
0.24 in (6.1 mm) |
0.106 in (2.69 mm) |
e4 |
125 V |
Nano |
0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm) |
0.106 in (2.69 mm) |
CUL; UL |
125 °C (257 °F) |
Slow |
|||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
32 V |
32 V |
4 A |
Wraparound |
576 mJ |
-55 °C (-67 °F) |
35 A |
Tape And Reel |
0.063 in (1.6 mm) |
0.032 in (0.813 mm) |
200 ms |
0.063 x 0.032 x 0.012 in (1.6 x 0.813 x 0.305 mm) |
0.012 in (0.305 mm) |
CSA; UL |
90 °C (194 °F) |
Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Wire |
368 J |
-40 °C (-40 °F) |
Tin |
150 A |
1 s |
Ammo Pack |
0.488 in (12.4 mm) |
0.252 in (6.4 mm) |
e3 |
250 V |
TE7 |
0.488 x 0.252 x 0.386 in (12.4 x 6.4 x 9.8 mm) |
0.362 in (9.2 mm) |
125 °C (257 °F) |
Time Lag |
||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
77 J |
-40 °C (-40 °F) |
Matte Tin |
100 A |
664 |
0.335 in (8.5 mm) |
e3 |
0.335 x 0.333 in (8.5 x 8.45 mm) |
0.333 in (8.45 mm) |
CCC; CSA; KTL; METI; PSE; UL; VDE |
85 °C (185 °F) |
Time Lag |
|||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
4 A |
End Cap |
3.36 J |
-55 °C (-67 °F) |
100 A |
1 s |
3.36 |
Bulk |
0.25 in (6.35 mm) |
250 V |
3AB |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CE; CUL; PSE; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
3.08 J |
-55 °C (-67 °F) |
50 A |
4 h |
3.08 |
Tape And Reel |
0.155 in (3.94 mm) |
250 V |
19.3 mΩ |
Pico |
0.28 in (7.11 mm) |
0.28 in (7.11 mm) |
CSA; PSE; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
3.08 J |
-55 °C (-67 °F) |
50 A |
4 h |
3.08 |
0.155 in (3.94 mm) |
250 V |
19.3 mΩ |
Pico |
0.28 in (7.11 mm) |
0.28 in (7.11 mm) |
CSA; PSE; UL |
125 °C (257 °F) |
Very Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
4 A |
End Cap |
10.4 J |
-55 °C (-67 °F) |
Nickel |
750 A |
Rated Breaking Capacity at 125 VDC: 10000 A |
10.4 |
Bulk |
0.25 in (6.35 mm) |
250 V |
3AB |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CE; CSA; KC; PSE; UL |
125 °C (257 °F) |
Fast |
|||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
300 V |
4 A |
End Cap |
-55 °C (-67 °F) |
10 kA |
Rated Breaking Capacity at 300 VDC: 10000 A |
Bulk |
0.406 in (10.31 mm) |
0.394 x 1.496 in (10 x 38 mm) |
1.5 in (38.1 mm) |
CSA; UL |
125 °C (257 °F) |
Time Delay |
||||||||||||||
|
Littelfuse |
Electric Fuse |
4 A |
End Cap |
-55 °C (-67 °F) |
Nickel |
750 A |
4 h |
10.4 |
0.25 in (6.35 mm) |
Supplemental |
250 V |
3AB |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CE, CSA, PSE, UL |
125 °C (257 °F) |
Fast |
|||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
28.5 J |
-55 °C (-67 °F) |
Matte Tin |
200 A |
318 |
0.275 in (6.99 mm) |
e3 |
0.275 x 1.288 in (6.99 x 32.72 mm) |
1.288 in (32.72 mm) |
CE; CSA; KTL; PSE; UL |
125 °C (257 °F) |
Fast |
|||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Tin |
50 A |
4 ms |
Rated Breaking Capacity at 125 VDC: 300 A |
Tape And Reel |
0.11 in (2.8 mm) |
e3 |
Pico |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CCC; CSA; PSE; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
4 A |
End Cap |
Bulk |
0.25 in (6.35 mm) |
32 V |
7AG |
0.875 in (22.22 mm) |
Normal |
|||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
4 A |
End Cap |
17.138 J |
-55 °C (-67 °F) |
Tin |
10 kA |
235P |
Bulk; Tape And Reel |
0.205 in (5.2 mm) |
e3 |
0.205 x 0.787 in (5.2 x 20 mm) |
0.787 in (20 mm) |
CE; CSA; KTL; PSE; UL |
125 °C (257 °F) |
Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Tin |
50 A |
4 ms |
Pre-Arcing Time: Open within 4 ms at 1000% Rated Current |
Ammo Pack |
0.11 in (2.8 mm) |
e3 |
Pico |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CCC; CSA; CUL; PSE; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||
|
Littelfuse |
Electric Fuse |
4 A |
Tab/Blade |
-40 °C (-40 °F) |
Silver |
1 kA |
17 |
0.429 in (10.9 mm) |
0.15 in (3.8 mm) |
e4 |
32 V |
23.48 mΩ |
0.429 x 0.15 x 0.346 in (10.9 x 3.8 x 8.8 mm) |
0.346 in (8.8 mm) |
UL |
125 °C (257 °F) |
||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
80 V |
4 A |
Tab/Blade |
14.4 J |
Tin |
Rated Breaking Capacity at 80 VDC: 1000A |
0.748 in (19 mm) |
0.197 in (5 mm) |
e3 |
0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm) |
0.52 in (13.2 mm) |
UL |
||||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Pure Tin |
50 A |
4 ms |
Pre-Arcing Time: Open within 4 ms at 1000% Rated Current |
Tape And Reel |
0.103 in (2.61 mm) |
Pico |
0.103 x 0.28 in (2.61 x 7.11 mm) |
0.28 in (7.11 mm) |
CCC; CSA; CUL; PSE; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
125 V |
4 A |
End Cap |
17.14 J |
-55 °C (-67 °F) |
Nickel |
10 kA |
5 s |
Bulk |
0.205 in (5.2 mm) |
125 V |
0.197 x 0.787 in (5 x 20 mm) |
0.787 x 0.205 in (20 x 5.2 mm) |
0.787 in (20 mm) |
CE, CSA, PSE, UL |
125 °C (257 °F) |
Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
76.1 J |
-55 °C (-67 °F) |
Tin |
200 A |
4 h |
76.1 |
Bulk |
0.275 in (6.985 mm) |
Supplemental |
e3 |
250 V |
3AG |
0.275 x 1.275 in (6.985 x 32.385 mm) |
1.275 in (32.385 mm) |
CE; CSA; KTL; PSE; UL |
125 °C (257 °F) |
Time Lag |
||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
4 A |
End Cap |
330 J |
-55 °C (-67 °F) |
150 A |
330 |
0.205 in (5.2 mm) |
250 V |
0.197 x 0.787 in (5 x 20 mm) |
0.205 x 0.787 in (5.2 x 20 mm) |
0.787 in (20 mm) |
BSI, CCC, CE, CSA, PSE, UL, VDE |
125 °C (257 °F) |
Time Lag |
||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
28.5 J |
-55 °C (-67 °F) |
Tin |
200 A |
318 |
Bulk |
0.275 in (6.99 mm) |
e3 |
0.275 x 1.288 in (6.99 x 32.72 mm) |
1.288 in (32.72 mm) |
CE; CSA; KTL; PSE; UL |
125 °C (257 °F) |
Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
3.5 J |
-40 °C (-40 °F) |
Matte Tin |
50 A |
373 |
Ammo Pack; Tape And Reel |
0.335 in (8.5 mm) |
e3 |
5 s |
0.335 x 0.315 in (8.5 x 8 mm) |
0.315 in (8 mm) |
CSA; UL |
85 °C (185 °F) |
Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Matte Tin |
50 A |
251 |
Rated Breaking Capacity at 125 VDC: 300 A |
Bulk |
0.11 in (2.8 mm) |
e3 |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CCC; CSA; PSE; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Pure Tin |
50 A |
253 |
Rated Breaking Capacity at 125 VDC: 300 A |
Ammo Pack |
0.11 in (2.8 mm) |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; PSE; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Pure Tin |
50 A |
253 |
Rated Breaking Capacity at 125 VDC: 300 A |
Ammo Pack |
0.11 in (2.8 mm) |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; PSE; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
76.1 J |
-55 °C (-67 °F) |
Matte Tin |
200 A |
315 |
Bulk |
0.275 in (6.985 mm) |
e3 |
0.275 x 1.275 in (6.985 x 32.385 mm) |
1.275 in (32.385 mm) |
CE; CSA; KTL; PSE; UL |
125 °C (257 °F) |
Time Lag |
||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
3.08 J |
-55 °C (-67 °F) |
Pure Tin |
50 A |
Bulk |
0.155 in (3.94 mm) |
0.155 x 0.28 in (3.94 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; PSE; UL |
125 °C (257 °F) |
Very Fast |
||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
4 A |
Pin Wire |
3.5 J |
-40 °C (-40 °F) |
Matte Tin |
50 A |
373 |
Bulk |
0.335 in (8.5 mm) |
e3 |
5 s |
0.335 x 0.315 in (8.5 x 8 mm) |
0.315 in (8 mm) |
CSA; UL |
85 °C (185 °F) |
Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
4 A |
Pin Wire |
2.45 J |
-55 °C (-67 °F) |
Matte Tin |
50 A |
251 |
Rated Breaking Capacity at 125 VDC: 300 A |
0.095 in (2.41 mm) |
e3 |
0.095 x 0.28 in (2.41 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; METI; PSE; UL |
125 °C (257 °F) |
Very Fast |
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.