250 V Fuses 2,400+

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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

0313.500MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.55 J

-60 °C (-76 °F)

Nickel

35 A

5 s

2.55

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

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

0314020.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

631 J

-55 °C (-67 °F)

Nickel

1 kA

Rated Breaking Capacity at 125 VDC: 10000 A

631

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

0325020.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

20 A

Pin Wire

575 J

-55 °C (-67 °F)

Tin

400 A

4 h

575

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; KC; PSE; UL

125 °C (257 °F)

Time Lag

0456050.DRSDE

Littelfuse

Electric Fuse

Surface Mount

250 V

80 V

50 A

Wraparound

2.7 kJ

-55 °C (-67 °F)

150 A

1 m

Pre Arcing Time: Open within 60 s at 200% Rated Current; Rated Breaking Capacity at 80 VDC: 600 A

Tape And Reel

0.48 in (12.2 mm)

0.177 in (4.5 mm)

250 V

Nano

0.177 in (4.5 mm)

CUL; CSA; UL

125 °C (257 °F)

Fast

0876.630MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

630 mA

Pin Wire

170 mJ

-55 °C (-67 °F)

35 A

3 ms

0.17

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; UL; VDE

125 °C (257 °F)

Fast

20101000021P

Littelfuse

Electric Fuse

Inline/Holder

250 V

100 mA

End Cap

31 mJ

-25 °C (-13 °F)

80 A

5 ms

Pre Arcing Time: Open within 5 ms at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

Indicator

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CUL; UL

70 °C (158 °F)

Medium Time Lag

37316300410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

6.3 A

Pin Wire

9.1 J

-40 °C (-40 °F)

Matte Tin

50 A

5 s

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA; CUL; UL

85 °C (185 °F)

Very Fast

BK/S506-1-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

6.45 J

Nickel

35 A

6.45

Bulk

0.205 in (5.2 mm)

250 V

20 ms

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; CSA; IMQ; PSE; SEMKO; UL; VDE

Time Delay

BK1/S500-10-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

10 A

End Cap

Nickel

100 A

Bag

0.205 in (5.2 mm)

250 V

10 ms

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; CSA; CUL; SEMKO; UL; VDE

Fast

SS-5-2.5A-BK

Eaton Corporation

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

40.3 J

-40 °C (-40 °F)

Tin

35 A

40.3

Bag

0.335 in (8.5 mm)

0.169 in (4.3 mm)

e3

250 V

0.335 x 0.169 x 0.329 in (8.5 x 4.3 x 8.35 mm)

0.329 in (8.35 mm)

CQC; EK; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Delay

TR2/1025TD1-R

Eaton Corporation

Electric Fuse

Surface Mount

250 V

125 V

1 A

End Cap

9.91 J

50 A

4 h

Rated Breaking Capacity at 125 VDC: 50 A

9.91

Tape And Reel

0.405 in (10.29 mm)

0.109 in (2.77 mm)

250 V

0.405 x 0.109 x 0.109 in (10.29 x 2.77 x 2.77 mm)

0.109 in (2.77 mm)

CSA; UL

Time Delay

0215012.TXP

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

12 A

Wraparound

515.5 J

-55 °C (-67 °F)

Nickel

1.5 kA

Pre Arcing Time: Open within 0.01 s at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; CSA; CUL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

0215015.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

15 A

End Cap

1.237 kJ

-55 °C (-67 °F)

Nickel

500 A

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

1237

Bulk

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)

IEC; PSE; SEMKO; UL

125 °C (257 °F)

Time Lag

02163.15MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

3.15 A

End Cap

6.7 J

-55 °C (-67 °F)

Nickel

1.5 kA

20 ms

6.7

Bulk

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)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

0216.315MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

10 mJ

-55 °C (-67 °F)

Tin

1.5 kA

20 ms

0.01

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; SEMKO; UL; VDE

125 °C (257 °F)

Fast

0218004.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

4 A

End Cap

69.1 J

-55 °C (-67 °F)

Nickel

40 A

20 ms

69.1

Bulk

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)

CCC; CE; CSA; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0232002.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2 A

End Cap

8.25 J

-60 °C (-76 °F)

Nickel

10 kA

2 m

Pre Arcing Time: Open within 2 m at 200% Rated Current

Bulk

0.205 in (5.2 mm)

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)

CE; KC; PSE

125 °C (257 °F)

Medium

023902.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

2.5 A

End Cap

79.705 J

-55 °C (-67 °F)

Nickel

100 A

2 m

79.705

Bulk

0.205 in (5.2 mm)

Supplemental

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)

CE; CSA; KC; PSE; UL

125 °C (257 °F)

Time Lag

0242.080UR

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

80 mA

Wraparound

210 μJ

-40 °C (-40 °F)

Matte Tin Over Nickel

4 kA

4 h

Rated Breaking Capacity at 250 VDC: 4000 A

0.0002

Tape And Reel

0.119 in (3.02 mm)

e3

250 V

0.119 x 0.331 in (3.02 x 8.4 mm)

0.331 in (8.4 mm)

UL

125 °C (257 °F)

032602.5HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2.5 A

End Cap

136 J

-55 °C (-67 °F)

Nickel

100 A

4 h

136

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)

Time Lag

032602.5MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

185 J

-55 °C (-67 °F)

Nickel

100 A

5 s

Rated Breaking Capacity at 125 VDC: 10000 A

136

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)

Time Delay

0326025.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

25 A

End Cap

1.03 kJ

-55 °C (-67 °F)

Nickel

400 A

4 h

1030

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; PSE; UL

125 °C (257 °F)

Time Lag

0326025.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

25 A

End Cap

1.03 kJ

-55 °C (-67 °F)

Nickel

400 A

5 s

Rated Breaking Capacity at 125 VDC: 600 A

1030

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; PSE; UL

125 °C (257 °F)

Time Delay

0443002.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

2 A

Wraparound

18.06 J

-55 °C (-67 °F)

Silver

50 A

2 m

Rated Breaking Capacity at 125 VDC: 100 A

18.06

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

e4

250 V

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.12 in (3.05 mm)

CUL; IEC; PSE; TUV; UL

125 °C (257 °F)

Slow

0443003.DR

Littelfuse

Electric Fuse

Surface Mount

250 V

125 V

3 A

Wraparound

51.44 J

-55 °C (-67 °F)

Silver

50 A

2 m

Rated Breaking Capacity at 125 VDC: 100 A

51.44

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

e4

250 V

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.12 in (3.05 mm)

CUL; IEC; PSE; TUV; UL

125 °C (257 °F)

Slow

314002

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2 A

End Cap

11 J

100 A

4 h

11

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)

CSA; PSE; QPL; UL

Fast

37412500410

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

18.125 J

-40 °C (-40 °F)

Matte Tin

50 A

1 m

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CSA, UL

85 °C (185 °F)

Time Lag

40011000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1 A

Pin Wire

9.63 J

-40 °C (-40 °F)

Tin

130 A

20 ms

Ammo Pack; Tape And Reel

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

TE5

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

IEC; PSE; UL; VDE

125 °C (257 °F)

Time Lag

40012500440

Littelfuse

Electric Fuse

Through Hole Mount

250 V

2.5 A

Pin Wire

61.94 J

-40 °C (-40 °F)

Tin

130 A

20 ms

Bulk

0.335 in (8.5 mm)

0.157 in (4 mm)

e3

TE5

0.335 x 0.157 x 0.315 in (8.5 x 4 x 8 mm)

0.315 in (8 mm)

IEC; PSE; UL; VDE

125 °C (257 °F)

Time Lag

BK1/S500-3.15-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

3.15 A

End Cap

13 J

Nickel

35 A

Bag

0.205 in (5.2 mm)

250 V

10 ms

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; CSA; CUL; IMQ; SEMKO; UL; VDE

Fast

BK1/S500-315-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

580 mJ

Nickel

35 A

Bag

0.205 in (5.2 mm)

250 V

10 ms

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; CSA; CUL; IMQ; SEMKO; UL; VDE

Fast

BLF.500

Littelfuse

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

250 V

5AG

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Fast

FLM002

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

2 A

End Cap

10 kA

5 s

Pre Arcing Time: Open within 5 s at 200% Rated Current

Bulk

0.406 in (10.31 mm)

250 V

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; QPL; UL

Time Delay

S501-1-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

480 mJ

Nickel

1.5 kA

Tape And Reel

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)

CE; SEMKO; UL

Fast

SF-2410SP200W-2

Bourns

Electric Fuse

Surface Mount

250 V

2 A

Wraparound

3 J

-55 °C (-67 °F)

Tin Over Nickel

100 A

1 ms

Tape And Reel, 7 inch

0.24 in (6.1 mm)

0.098 in (2.49 mm)

2410

0.085 in (2.16 mm)

UL; VDE

125 °C (257 °F)

Time Lag

02133.15MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

3.15 A

Pin Wire

202 J

-55 °C (-67 °F)

Tin

35 A

202

Tape And Reel

0.217 in (5.5 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.217 x 0.846 in (5.5 x 21.5 mm)

0.846 in (21.5 mm)

BSI, CCC, CE, CSA, PSE, UL, VDE

125 °C (257 °F)

Time Lag

0213.315MRET1P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

315 mA

Pin Wire

1.14 J

-55 °C (-67 °F)

35 A

1.14

Tape And Reel

0.217 in (5.5 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.217 x 0.846 in (5.5 x 21.5 mm)

0.846 in (21.5 mm)

BSI, CCC, CE, CSA, UL, VDE

125 °C (257 °F)

Time Lag

0215.160MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

160 mA

End Cap

46.5 mJ

-55 °C (-67 °F)

Tin

1.5 kA

5 ms

Pre Arcing Time: Open within 5 ms at 1000% Rated Current

0.0465

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)

CE; IEC; SEMKO; UL

125 °C (257 °F)

Time Lag

0215.250MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

250 mA

End Cap

545 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

5 ms

Pre Arcing Time: Open within 5 ms at 1000% Rated Current

0.545

Bulk

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)

CE; IEC; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0215005.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

5 A

Pin Wire

66.095 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

66.095

Bulk

0.228 in (5.8 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0215005.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

5 A

End Cap

66.095 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

66.095

Bulk

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)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0215005MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

5 A

Pin Wire

66.095 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

66.095

Bulk

0.228 in (5.8 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0215005MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

5 A

End Cap

66.095 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

66.095

Bulk

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)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

021501.6HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.6 A

End Cap

6.83 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

6.83

Bulk

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)

CCC; CE; CSA; CUL; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0215016.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

16 A

End Cap

1.408 kJ

-55 °C (-67 °F)

500 A

10 ms

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CE; CUL; PSE; SEMKO; TUV; UL

125 °C (257 °F)

Time Lag

021506.3MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

6.3 A

Pin Wire

128.75 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

128.75

Bulk

0.228 in (5.8 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0218005.TXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

5 A

End Cap

111 J

-55 °C (-67 °F)

50 A

Pre Arcing Time: Open within 20 ms at 1000% Rated Current

Bulk

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

BSI; CCC; CE; CSA; IEC; KC; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

02341.25MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.25 A

End Cap

2.06 J

-55 °C (-67 °F)

Tin

100 A

400 ms

3.39

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)

CE; CSA; PSE; UL

125 °C (257 °F)

Medium

Fuses

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.