20 A Fuses 679

Reset All
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

0481020

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

Tin

300 A

481

Rated Breaking Capacity at 125 VDC: 200 A

e3

Alarm

CSA; UL

0495020.Z

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

Tab/Blade

1.75 kJ

-40 °C (-40 °F)

1 kA

Bulk

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)

Time Delay

166.7000.5206

Littelfuse

Electric Fuse

Inline/Holder

80 V

20 A

Tab/Blade

475 J

Tin

166

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

0295020.MXJ

Littelfuse

Electric Fuse

20 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)

20E-1CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

20 A

Tab/Blade

80 kA

4.75 in (120.65 mm)

4.75 x 15.13 in (120.65 x 384.3 mm)

15.13 in (384.3 mm)

Medium

CBO020

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

10 kA

0.812 in (20.62 mm)

0.812 x 1.625 in (20.62 x 41.28 mm)

1.623 in (41.23 mm)

Fast

0HEV020.ZXISO

Littelfuse

Electric Fuse

Inline/Holder

450 V

20 A

Tab/Blade

268 J

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

450 V

1.492 in (37.9 mm)

CSA; UL

125 °C (257 °F)

0495020.ZXA

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1.7 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

L70S020

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

20 A

End Cap

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

0.811 in (20.6 mm)

700 V

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CE; CSA; UL

125 °C (257 °F)

Very Fast

KLKD20

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

20 A

End Cap

462.056 J

-55 °C (-67 °F)

100 kA

826 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

6.144 ms

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA, IEC, UL, VDE

125 °C (257 °F)

Fast

0325020.MX52P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

20 A

Pin Wire

575 J

-55 °C (-67 °F)

Tin

4 h

575

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, PSE, UL

125 °C (257 °F)

Time Lag

1672200100

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

480 J

-40 °C (-40 °F)

1 kA

Bulk

0.469 in (11.9 mm)

0.15 in (3.8 mm)

20 ms

0.335 in (8.5 mm)

85 °C (185 °F)

Very Fast

20E-1CL-8.25

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

20 A

Tab/Blade

80 kA

4.75 in (120.65 mm)

4.75 x 16.131 in (120.65 x 409.72 mm)

16.131 in (409.72 mm)

Medium

0295020.U

Littelfuse

Electric Fuse

20 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)

0487020.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

420 V

420 V

20 A

Pin Wire

390 J

-60 °C (-76 °F)

Matte Tin

200 A

30 ms

Rated Breaking Capacity at 420 VDC: 300 A

Bulk

0.217 in (5.5 mm)

e3

0.197 x 0.787 in (5 x 20 mm)

0.846 in (21.5 mm)

CUL; TUV; UL

125 °C (257 °F)

Fast

314020P

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

631 J

Nickel

1 kA

30 s

Pre Arcing Time: Open within 30 s at 200% Rated Current

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; METI; PSE; UL

Fast

0314020.HX280P

Littelfuse

Electric Fuse

Inline/Holder

280 V

125 V

20 A

End Cap

631 J

-55 °C (-67 °F)

Nickel

350 A

4 h

Rated Breaking Capacity at 125 VDC: 10000 A

631

Bulk

0.25 in (6.35 mm)

Supplemental

280 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; UL

125 °C (257 °F)

Fast

KLKD020.

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

20 A

End Cap

100 kA

Rated Breaking Capacity at 600 VDC: 10000 A

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

7945816071

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

20 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

0481020VXL

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

570 J

-55 °C (-67 °F)

Tin

300 A

481

Rated Breaking Capacity at 125 VDC: 200 A

Bulk

e3

Alarm

CSA; UL

90 °C (194 °F)

0TLS020.TXLB

Littelfuse

Electric Fuse

Inline/Holder

170 V

20 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

170 V

0.563 x 0.877 in (14.3 x 22.27 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

KLKD020.HXR

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

20 A

End Cap

2.12 kJ

-55 °C (-67 °F)

100 kA

4 m

0.406 in (10.31 mm)

600 V

0.394 x 1.496 in (10 x 38 mm)

1.5 x 0.406 x 1.5 in (38.1 x 10.31 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

125 °C (257 °F)

Fast

314020.MX280P

Littelfuse

Electric Fuse

Inline/Holder

280 V

20 A

End Cap

50 A

314P

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; METI; PSE; UL

Fast

KLKR020

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

Tab/Blade

900 J

Nickel

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Fast

AGC20

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

FLSR020

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

Time Delay

L25S20

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 250 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

Fast

32620MHXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

60 V

20 A

End Cap

575 J

-55 °C (-67 °F)

Matte Tin

400 A

Rated Breaking Capacity at 60 VDC: 500 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; KTL; PSE; UL

125 °C (257 °F)

Time Lag

995020

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 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

0318020.P

Littelfuse

Electric Fuse

Through Hole Mount

32 V

20 A

Pin Wire

1.029 kJ

-55 °C (-67 °F)

Tin

300 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)

CSA; UL

125 °C (257 °F)

Fast

2410SFV20.0FM/065-2

Littelfuse

Electric Fuse

20 A

-55 °C (-67 °F)

4 h

Tape And Reel

0.246 in (6.25 mm)

0.104 in (2.64 mm)

65 V

0.246 x 0.104 x 0.093 in (6.25 x 2.64 x 2.36 mm)

0.093 in (2.36 mm)

CSA, TUV, UL

125 °C (257 °F)

Very Fast

TLS-V020

Littelfuse

Electric Fuse

Inline/Holder

170 V

20 A

Tab/Blade

Silver

Rated Breaking Capacity at 170 VDC: 100000

0.563 in (14.3 mm)

e4

0.563 x 1.26 in (14.3 x 32.004 mm)

1.26 in (32.004 mm)

UL

0309621H

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

Bulk

0.25 in (6.35 mm)

32 V

1.25 in (31.75 mm)

Normal

0285020MXRP

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

3.226 kJ

-55 °C (-67 °F)

400 A

10 ms

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)

PSE

125 °C (257 °F)

0283020.MXJ

Littelfuse

Electric Fuse

20 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)

FLNR20ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

200 kA

0.563 in (14.3 mm)

Indicator

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Time Delay

CY22X58G20

Littelfuse

Electric Fuse

Inline/Holder

690 V

20 A

End Cap

80 kA

0.866 in (22 mm)

690 V

0.866 x 2.283 in (22 x 58 mm)

0.866 x 2.283 in (22 x 58 mm)

2.283 in (58 mm)

IEC

Fast

0275020.VRT1L

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

20 A

Wire

203 J

-60 °C (-76 °F)

Tin

100 A

10 s

Rated Breaking Capacity at 32 VDC: 300 A

203

Tape And Reel

0.133 in (3.38 mm)

e3

32 V

Pico

0.133 x 0.31 in (3.38 x 7.87 mm)

0.31 in (7.87 mm)

CUL; UL

125 °C (257 °F)

Very Fast

20E1C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

20 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 15.875 in (76.2 x 403.23 mm)

15.874 in (403.2 mm)

Medium

0275020.MXT1L

Littelfuse

Electric Fuse

20 A

-55 °C (-67 °F)

Tin

300 A

4 h

203

0.133 in (3.38 mm)

e3

32 V

Pico

0.133 x 0.31 in (3.38 x 7.87 mm)

0.31 in (7.87 mm)

UL

125 °C (257 °F)

Very Fast

0299020.TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1.1 kJ

-40 °C (-40 °F)

Silver

1 kA

40 ms

1100

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

20E-1CL-15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

20 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

0HEV020.ZXC

Littelfuse

Electric Fuse

Inline/Holder

450 V

20 A

Tab/Blade

268 J

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

450 V

1.531 in (38.9 mm)

CSA; UL

125 °C (257 °F)

BLF020.

Littelfuse

Electric Fuse

Inline/Holder

125 V

20 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

0ATO0020.VXGLO

Littelfuse

Electric Fuse

Inline/Holder

14 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

80 ms

Bulk

0.758 in (19.25 mm)

0.207 in (5.25 mm)

0.484 in (12.3 mm)

105 °C (221 °F)

0314020.VX280P

Littelfuse

Electric Fuse

Inline/Holder

280 V

20 A

End Cap

631 J

-55 °C (-67 °F)

Nickel

350 A

314

Bulk

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; UL

125 °C (257 °F)

Fast

0506020MXEP

Littelfuse

Electric Fuse

20 A

Pin Wire

-55 °C (-67 °F)

10 kA

105

0.275 in (6.98 mm)

600 V

3AB

0.275 x 1.288 in (6.98 x 32.72 mm)

1.288 in (32.72 mm)

CE, UL

125 °C (257 °F)

Fast

0312020HX

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

End Cap

1.029 kJ

-55 °C (-67 °F)

Tin

300 A

312

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)

CSA; UL

125 °C (257 °F)

Fast

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.