20 A Fuses 679

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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

0327020

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

397 J

-40 °C (-40 °F)

1 kA

0.358 in (9.1 mm)

0.15 in (3.8 mm)

0.358 x 0.15 x 0.311 in (9.1 x 3.8 x 7.9 mm)

0.311 in (7.9 mm)

125 °C (257 °F)

SOO020

Littelfuse

Electric Fuse

Inline/Holder

125 V

20 A

End Cap

10 kA

UL

Time Delay

0309639H

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

Bulk

0.25 in (6.35 mm)

32 V

3AG

1.25 in (31.75 mm)

Normal

KLKD20-R

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

20 A

Tab/Blade

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 1.53 in (10.31 x 38.86 mm)

1.5 in (38.1 mm)

CE; IEC; UL

125 °C (257 °F)

Fast

0215020.MXB

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

2.6 kJ

-55 °C (-67 °F)

400 A

2600

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)

125 °C (257 °F)

Time Lag

DZ27F20

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

20 A

End Cap

80 kA

DZ

Rated Breaking Capacity at 500 VDC: 80000 A

0.846 in (21.5 mm)

Indicator

0.846 x 1.969 in (21.5 x 50 mm)

1.969 in (50 mm)

DIN; IEC; VDE

Fast

0388020.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

20 A

Pin Wire

-55 °C (-67 °F)

Tin

100 A

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; KTL; PSE

125 °C (257 °F)

20E-1C-15.5S

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

20 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 18.875 in (76.2 x 479.43 mm)

18.875 in (479.43 mm)

Medium

0388020.MXL

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

2.041 kJ

-55 °C (-67 °F)

Nickel

100 A

388

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; KTL; PSE

125 °C (257 °F)

0314020.VXP

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; PSE; UL

125 °C (257 °F)

Fast

F09A250V20AS

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

Silver

200 A

0.415 in (10.54 mm)

e4

0.415 x 1.531 in (10.54 x 38.89 mm)

1.531 in (38.89 mm)

MIL-PRF-15160/9

AGC20CABP

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

0.25 in (6.35 mm)

32 V

3AG

1.25 in (31.75 mm)

0312020VX

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

0215020.MXBP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

20 A

Pin Wire

2.6 kJ

-55 °C (-67 °F)

400 A

10 ms

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

Bulk

0.217 in (5.5 mm)

0.197 x 0.787 in (5 x 20 mm)

0.846 in (21.5 mm)

CE; CSA; CUL; PSE; SEMKO; SEV; TUV; UL

125 °C (257 °F)

Time Lag

LVSP20-2

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

4.94 kJ

200 kA

0.41 in (10.41 mm)

1.5 in (38.1 mm)

UL

0326020.MXCCP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

-55 °C (-67 °F)

Nickel

4 h

575

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, TUV, UL

125 °C (257 °F)

Time Lag

0481020.VXMP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

1.024 kJ

-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

BLN020

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

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; PSE; UL

Fast

KLKD020R

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)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

125 °C (257 °F)

Fast

KLDR020.H

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

KLDR

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)

CSA; UL

Time Delay

325020

Littelfuse

Electric Fuse

Through Hole Mount

250 V

20 A

Pin Wire

575 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

Slow

0481020.VXLMP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

1.024 kJ

-55 °C (-67 °F)

300 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

324020

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

20 A

Pin Wire

631 J

-55 °C (-67 °F)

Tin/Lead

1 kA

30 s

Rated Breaking Capacity at 125 VDC: 10000 A, Pre Arcing Time: Open within 30 s at 200% Rated Current

631

0.275 in (6.99 mm)

e0

250 V

3AB

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

CSA; METI; PSE; UL

125 °C (257 °F)

Fast

0283020.H

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)

TLS020LB

Littelfuse

Electric Fuse

Inline/Holder

170 V

20 A

Tab/Blade

Silver

100 kA

0.563 in (14.3 mm)

e4

0.563 x 0.88 in (14.3 x 22.35 mm)

0.88 in (22.35 mm)

CE; UL

169.6885.5202

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1.9 kJ

169

Rated Breaking Capacity at 32 VDC: 1000 A

1.169 in (29.7 mm)

0.358 in (9.1 mm)

1.169 x 0.358 x 0.839 in (29.7 x 9.1 x 21.3 mm)

0.839 in (21.3 mm)

UL

297020LXN

Littelfuse

Electric Fuse

20 A

Tab/Blade

-40 °C (-40 °F)

Silver

1 kA

380

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4

32 V

3.21 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)

313020

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

9.56 kJ

-55 °C (-67 °F)

Tin/Lead

300 A

4 h

9560

0.25 in (6.35 mm)

Supplemental

e0

32 V

2.2 mΩ

3AG

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)

Slow

NLKP020

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

10 kA

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

142.6185.5206

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

600 J

Tin

Rated Breaking Capacity at 58 VDC: 1000 A

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

KLH20

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

20 A

End Cap

200 kA

KLH

Rated Breaking Capacity at 450 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

JLLN020.T

Littelfuse

Electric Fuse

Inline/Holder

300 V

160 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 160 VDC: 50000 A

0.406 in (10.3 mm)

300 V

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

326020P

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

575 J

Nickel

400 A

326

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; PSE; UL

Slow

0453020.NR

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

20 A

Wraparound

154 J

-55 °C (-67 °F)

100 A

20 s

Rated Breaking Capacity at 65 VDC: 150 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

65 V

Nano

0.106 in (2.69 mm)

CE; CUL; TUV; UL

125 °C (257 °F)

Very Fast

0318020.MXP

Littelfuse

Electric Fuse

Through Hole Mount

32 V

20 A

Pin Wire

1.414 kJ

-55 °C (-67 °F)

Tin

300 A

10 s

Tape And Reel

0.275 in (6.99 mm)

e3

3AG

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

CUL; UL

125 °C (257 °F)

Fast

20E-1C-25.8S

Littelfuse

Electric Fuse

Inline/Holder

25.8 KV

20 A

End Cap

40 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 24.625 in (76.2 x 625.48 mm)

24.625 in (625.48 mm)

Medium

0451020.NRSN

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

20 A

Wraparound

154 J

-55 °C (-67 °F)

100 A

20 s

Rated Breaking Capacity at 65 VDC: 150 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CE; CUL; TUV; UL

125 °C (257 °F)

Very Fast

MIC2020.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

400 J

-40 °C (-40 °F)

1 kA

20 ms

Box

0.358 in (9.1 mm)

0.15 in (3.8 mm)

Micro

0.311 in (7.9 mm)

125 °C (257 °F)

0324020.MX52LP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

20 A

Pin Wire

631 J

-55 °C (-67 °F)

1 kA

Rated Breaking Capacity at 125 VDC: 10000 A

Bulk

0.275 in (6.985 mm)

3AB

1.288 in (32.72 mm)

CE; CSA; CUL; KC; PSE; TUV; UL

125 °C (257 °F)

Fast

MIC2020.VP

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

400 J

-40 °C (-40 °F)

1 kA

20 ms

Bulk

0.358 in (9.1 mm)

0.15 in (3.8 mm)

Micro

0.311 in (7.9 mm)

125 °C (257 °F)

0828020.UXTHP

Littelfuse

Electric Fuse

Through Hole Mount

1 KV

20 A

Pin Wire

536 J

-55 °C (-67 °F)

10 kA

1 h

Tray

0.482 in (12.25 mm)

1.543 in (39.2 mm)

CUL; UL

125 °C (257 °F)

LMIN020.VP

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

420 J

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

Mini

0.299 in (7.6 mm)

125 °C (257 °F)

LMIN020.ZXPROA

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

420 J

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

Mini

0.299 in (7.6 mm)

125 °C (257 °F)

JLLN020P

Littelfuse

Electric Fuse

Inline/Holder

300 V

160 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 160 VDC: 50000 A

0.406 in (10.3 mm)

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

0MIN020.VP

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

380 J

-40 °C (-40 °F)

Silver

1 kA

30 ms

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4

0.346 in (8.8 mm)

UL

125 °C (257 °F)

LMIN20

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

420 J

-40 °C (-40 °F)

1 kA

30 ms

Box

0.429 in (10.9 mm)

0.15 in (3.8 mm)

Mini

0.299 in (7.6 mm)

125 °C (257 °F)

LMIN020BP

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

420 J

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

Mini

0.299 in (7.6 mm)

125 °C (257 °F)

0MAX020.XP

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1.1 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

1.15 in (29.2 mm)

0.346 in (8.8 mm)

0.85 in (21.6 mm)

UL

125 °C (257 °F)

Slow

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.