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 |
125 V |
500 mA |
Pin Wire |
1.16 J |
-55 °C (-67 °F) |
Matte Tin |
35 A |
Rated Breaking Capacity at 125 VDC: 10000 A |
Bulk |
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; UL |
125 °C (257 °F) |
Time Lag |
|||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
500 mA |
End Cap |
169 mJ |
-55 °C (-67 °F) |
Matte Tin |
1.5 kA |
216P |
Bulk |
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; IEC; SEMKO; UL; VDE |
125 °C (257 °F) |
Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
600 mJ |
-40 °C (-40 °F) |
Tin |
50 A |
Tape And Reel |
0.335 in (8.5 mm) |
e3 |
0.335 x 0.315 in (8.5 x 8 mm) |
0.315 in (8 mm) |
CSA; UL |
85 °C (185 °F) |
Time Lag |
|||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
84 mJ |
-55 °C (-67 °F) |
Pure Tin |
50 A |
Ammo Pack |
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; UL |
125 °C (257 °F) |
Very Fast |
||||||||||||||
Littelfuse |
Electric Fuse |
Surface Mount |
63 V |
500 mA |
End Cap |
-55 °C (-67 °F) |
Tin Over Nickel |
Rated Breaking Capacity at 63 VDC: 50 A |
0.134 in (3.4 mm) |
0.071 in (1.8 mm) |
e3 |
0.134 x 0.071 x 0.051 in (3.4 x 1.8 x 1.3 mm) |
0.051 in (1.3 mm) |
UL |
125 °C (257 °F) |
||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
32 V |
32 V |
500 mA |
End Cap |
Bulk |
0.25 in (6.35 mm) |
32 V |
7AG |
0.875 in (22.22 mm) |
Normal |
|||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
59.8 mJ |
-55 °C (-67 °F) |
Tin |
50 A |
Rated Breaking Capacity at 125 VDC: 300 A |
Ammo Pack |
0.103 in (2.61 mm) |
e3 |
0.103 x 0.28 in (2.61 x 7.11 mm) |
0.28 in (7.11 mm) |
CCC; CSA; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
600 V |
300 V |
500 mA |
End Cap |
200 kA |
Rated Breaking Capacity at 300 VDC: 20000 A |
Bulk |
0.406 in (10.3 mm) |
600 V |
0.406 x 1.5 in (10.3 x 38.1 mm) |
1.5 in (38.1 mm) |
CE; CSA; UL |
Time Delay |
|||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
59.8 mJ |
-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; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
500 V |
300 V |
500 mA |
End Cap |
10 kA |
0.406 in (10.31 mm) |
0.394 x 1.496 in (10 x 38 mm) |
1.5 in (38.1 mm) |
CSA; UL |
Time Delay |
||||||||||||||||||
Littelfuse |
Electric Fuse |
Surface Mount |
63 V |
63 V |
500 mA |
Wraparound |
6 mJ |
-55 °C (-67 °F) |
Tin Lead Over Nickel |
50 A |
429 |
Rated Breaking Capacity at 63 VDC: 50 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 |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
1.3 J |
-40 °C (-40 °F) |
Matte Tin |
35 A |
Ammo Pack; Tape And Reel |
0.335 in (8.5 mm) |
e3 |
20 ms |
0.335 x 0.315 in (8.5 x 8 mm) |
0.315 in (8 mm) |
CCC; KTL; SEMKO; UL; VDE |
85 °C (185 °F) |
Time Lag |
||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
165 mJ |
-55 °C (-67 °F) |
Tin |
1.2 kA |
Bulk |
0.236 in (6 mm) |
e3 |
0.236 x 0.886 in (6 x 22.5 mm) |
0.886 in (22.5 mm) |
CCC; CE; CSA; SEMKO; UL; VDE |
125 °C (257 °F) |
Fast |
|||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
165 mJ |
-55 °C (-67 °F) |
Tin |
1.2 kA |
Tape And Reel |
0.236 in (6 mm) |
e3 |
0.236 x 0.886 in (6 x 22.5 mm) |
0.886 in (22.5 mm) |
CCC; CE; CSA; SEMKO; UL; VDE |
125 °C (257 °F) |
Fast |
|||||||||||||
|
Littelfuse |
Electric Fuse |
500 mA |
Pin Wire |
-55 °C (-67 °F) |
50 A |
4 h |
0.236 |
Tape And Reel |
0.142 in (3.6 mm) |
250 V |
0.142 x 0.394 in (3.6 x 10 mm) |
0.394 in (10 mm) |
UL |
125 °C (257 °F) |
Fast |
|||||||||||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
1.16 J |
-55 °C (-67 °F) |
Tin Lead |
35 A |
230 |
Tape And Reel |
0.185 in (4.7 mm) |
e0 |
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) |
Slow |
|||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
84 mJ |
-55 °C (-67 °F) |
Pure Tin |
50 A |
0263 |
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; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
159 mJ |
-55 °C (-67 °F) |
Tin |
50 A |
4 h |
Tape And Reel |
0.11 in (2.8 mm) |
e3 |
125 V |
Pico |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; UL |
125 °C (257 °F) |
Time Lag |
|||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
2.5 J |
Tin/Lead |
0.275 in (6.99 mm) |
e0 |
0.275 x 1.275 in (6.99 x 32.39 mm) |
1.275 in (32.39 mm) |
CSA; UL |
Slow |
|||||||||||||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
4.4 J |
-25 °C (-13 °F) |
150 A |
Tape And Reel |
0.213 in (5.4 mm) |
20 ms |
0.197 x 0.787 in (5 x 20 mm) |
0.827 in (21 mm) |
BSI; CUL; IEC; SEMKO; UL; VDE |
70 °C (158 °F) |
Time Lag |
|||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
350 V |
500 mA |
Pin Wire |
365 mJ |
-55 °C (-67 °F) |
Tin |
35 A |
4 h |
0.365 |
0.177 in (4.5 mm) |
Supplemental |
e3 |
350 V |
2AG |
0.177 x 0.57 in (4.5 x 14.48 mm) |
0.57 in (14.48 mm) |
CE, UL |
125 °C (257 °F) |
||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
59.8 mJ |
-55 °C (-67 °F) |
Tin |
50 A |
0253 |
Rated Breaking Capacity at 125 VDC: 300 A |
Ammo Pack |
0.103 in (2.61 mm) |
e3 |
0.103 x 0.28 in (2.61 x 7.11 mm) |
0.28 in (7.11 mm) |
CCC; CSA; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
59.8 mJ |
-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; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
84 mJ |
-55 °C (-67 °F) |
Pure Tin |
50 A |
100 ms |
Tape And Reel |
0.155 in (3.94 mm) |
250 V |
Pico |
0.155 x 0.28 in (3.94 x 7.11 mm) |
CSA, UL |
125 °C (257 °F) |
Very Fast |
||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
500 mA |
End Cap |
200 kA |
Rated Breaking Capacity at 125 VDC: 20000 A |
0.563 in (14.3 mm) |
0.563 x 2 in (14.3 x 50.8 mm) |
2 in (50.8 mm) |
CSA; UL |
Time Delay |
||||||||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
125 V |
500 mA |
End Cap |
2.5 J |
-55 °C (-67 °F) |
Matte Tin |
100 A |
Rated Breaking Capacity at 125 VDC: 10000 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; UL |
125 °C (257 °F) |
Time Lag |
|||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
500 mA |
End Cap |
350 mJ |
-25 °C (-13 °F) |
Matte Tin |
80 A |
Bulk |
0.205 in (5.2 mm) |
e3 |
5 ms |
0.205 x 0.787 in (5.2 x 20 mm) |
0.787 in (20 mm) |
DIN 41571; UL |
70 °C (158 °F) |
Medium Time Lag |
||||||||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
250 V |
500 mA |
Pin Wire |
90 mJ |
-40 °C (-40 °F) |
Tin |
35 A |
662 |
Rated Breaking Capacity at 250 VDC: 35 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; VDE |
85 °C (185 °F) |
Fast |
|||||||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
59.8 mJ |
-55 °C (-67 °F) |
Tin |
50 A |
4 ms |
Rated Breaking Capacity at 125 VDC: 300 A, Pre Arcing Time: Open within 4 ms at 1000% Rated Current |
Bulk |
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; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
59.8 mJ |
-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; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
500 mA |
Pin Wire |
4.8 J |
-55 °C (-67 °F) |
Tin |
4 h |
2.5 |
0.275 in (6.985 mm) |
e3 |
250 V |
3AB |
0.275 x 1.288 in (6.985 x 32.72 mm) |
1.288 in (32.72 mm) |
CE, CSA, UL |
125 °C (257 °F) |
Time Lag |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
210 mJ |
-60 °C (-76 °F) |
Tin |
50 A |
2 ms |
Pre Arcing Time: Blow within 0.002 s at 800% Rated Current |
0.21 |
Ammo Pack |
0.135 in (3.43 mm) |
e3 |
125 V |
Pico |
0.135 x 0.28 in (3.43 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; UL |
125 °C (257 °F) |
Time Delay |
|||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
59.8 mJ |
-55 °C (-67 °F) |
Tin |
50 A |
253 |
Rated Breaking Capacity at 125 VDC: 300 A |
Tape And Reel |
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; PSE; QPL; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
-55 °C (-67 °F) |
Pure Tin |
50 A |
300 ms |
Pre-Arcing Time: Open within 0.3 s at 300% Rated Current |
Ammo Pack |
0.11 in (2.8 mm) |
Pico |
0.28 in (7.11 mm) |
CSA; UL |
125 °C (257 °F) |
Very Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
500 mA |
End Cap |
2.5 J |
0.25 in (6.35 mm) |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
CSA; UL |
Slow |
|||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
500 mA |
End Cap |
Silver |
35 A |
0.25 in (6.35 mm) |
e4 |
0.25 x 1.25 in (6.35 x 31.75 mm) |
1.25 in (31.75 mm) |
MIL-PRF-15160/3 |
|||||||||||||||||||
Littelfuse |
Electric Fuse |
Inline/Holder |
250 V |
500 mA |
End Cap |
483 mJ |
-55 °C (-67 °F) |
Tin |
35 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; UL |
125 °C (257 °F) |
Fast |
||||||||||||||
Littelfuse |
Electric Fuse |
500 mA |
-40 °C (-40 °F) |
35 A |
2.5 |
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) |
CSA, SEMKO, UL, VDE |
85 °C (185 °F) |
Time Lag |
|||||||||||||||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
59.8 mJ |
-55 °C (-67 °F) |
50 A |
4 ms |
Pre-Arcing Time: Open within 4 ms at 1000% Rated Current |
Ammo Pack |
0.103 in (2.61 mm) |
125 V |
Pico |
0.28 in (7.11 mm) |
CCC; CSA; CUL; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
59.8 mJ |
-55 °C (-67 °F) |
Matte Tin |
50 A |
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) |
CSA; QPL; TUV; UL |
125 °C (257 °F) |
Very Fast |
|||||||||||
Littelfuse |
Electric Fuse |
Surface Mount |
63 V |
63 V |
500 mA |
Wraparound |
6 mJ |
-55 °C (-67 °F) |
Tin Lead Over Nickel |
429 |
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 |
Through Hole Mount |
500 V |
450 V |
500 mA |
Pin Wire |
300 mJ |
-55 °C (-67 °F) |
Matte Tin |
100 A |
Rated Breaking Capacity at 450 VDC: 200 A |
0.3 |
Bulk |
0.236 in (6 mm) |
e3 |
500 V |
0.197 x 0.787 in (5 x 20 mm) |
0.236 x 0.886 in (6 x 22.5 mm) |
0.886 in (22.5 mm) |
CE; SEMKO |
125 °C (257 °F) |
Time Lag |
||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
59.8 mJ |
-55 °C (-67 °F) |
Tin |
50 A |
4 h |
0.0598 |
Tape And Reel |
0.11 in (2.8 mm) |
Supplemental |
e3 |
125 V |
Pico |
0.11 x 0.28 in (2.8 x 7.11 mm) |
0.28 in (7.11 mm) |
CCC |
125 °C (257 °F) |
Very Fast |
|||||||
|
Littelfuse |
Electric Fuse |
Surface Mount |
75 V |
75 V |
500 mA |
Wraparound |
65 mJ |
-55 °C (-67 °F) |
Copper/Nickel/Tin |
50 A |
5 s |
Pre Arcing Time: Open within 5 s at 250% Rated Current |
Tape And Reel |
0.13 in (3.302 mm) |
0.062 in (1.575 mm) |
e2 |
75 V |
1206 |
0.046 in (1.1684 mm) |
UL |
125 °C (257 °F) |
|||||||||
Littelfuse |
Electric Fuse |
Through Hole Mount |
125 V |
125 V |
500 mA |
Pin Wire |
210 mJ |
-55 °C (-67 °F) |
Tin/Lead |
50 A |
4 h |
Rated Breaking Capacity at 125 VDC: 50 A |
0.21 |
Tape And Reel |
0.125 in (3.17 mm) |
e0 |
125 V |
1.13 Ω |
Pico |
0.125 x 0.28 in (3.17 x 7.11 mm) |
0.28 in (7.11 mm) |
CSA; METI; PSE; UL |
125 °C (257 °F) |
Slow |
|||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
300 V |
500 mA |
Pin Wire |
365 mJ |
-55 °C (-67 °F) |
Tin |
35 A |
4 h |
0.365 |
0.177 in (4.5 mm) |
Supplemental |
e3 |
300 V |
2AG |
0.177 x 0.57 in (4.5 x 14.48 mm) |
0.57 in (14.48 mm) |
CE, UL |
125 °C (257 °F) |
||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
125 V |
500 mA |
Pin Wire |
115 mJ |
Matte Tin |
35 A |
324P |
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; PSE; UL |
Fast |
||||||||||||||
|
Littelfuse |
Electric Fuse |
Through Hole Mount |
250 V |
125 V |
500 mA |
Pin Wire |
639 mJ |
-55 °C (-67 °F) |
Tin |
35 A |
Rated Breaking Capacity at 125 VDC: 10000 A |
0.115 |
Bulk |
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; UL |
125 °C (257 °F) |
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.