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

999020

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

1.1 kJ

Silver

1 kA

Rated Breaking Capacity at 58 VDC: 1000 A

1.15 in (29.21 mm)

0.335 in (8.51 mm)

e4

1.15 x 0.335 x 0.872 in (29.21 x 8.51 x 22.15 mm)

0.872 in (22.15 mm)

Slow

0HEV020.ZXPCB

Littelfuse

Electric Fuse

Through Hole Mount

450 V

20 A

Pin Wire

268 J

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

450 V

1.53 in (38.86 mm)

CSA; UL

125 °C (257 °F)

0315020.VXP

Littelfuse

Electric Fuse

Through Hole Mount

32 V

20 A

Pin Wire

9.56 kJ

-55 °C (-67 °F)

Matte Tin

300 A

315

Bulk

0.275 in (6.99 mm)

e3

0.275 x 1.275 in (6.99 x 32.39 mm)

1.275 in (32.39 mm)

UL

125 °C (257 °F)

Time Lag

0301020.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

Bulk

0.25 in (6.35 mm)

32 V

1AG

0.625 in (15.87 mm)

Normal

0318020HX

Littelfuse

Electric Fuse

Through Hole Mount

32 V

20 A

Pin Wire

1.029 kJ

-55 °C (-67 °F)

Tin

300 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; UL

125 °C (257 °F)

Fast

KLC020

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

Tab/Blade

-55 °C (-67 °F)

200 kA

0.563 in (14.3 mm)

1.874 in (47.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0SPF020.HXR

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

1.313 kJ

20 kA

4 m

Bulk

0.406 in (10.31 mm)

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; TUV; UL

Fast

FLSR020ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; QPL; UL

Time Delay

07945810209

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)

1.5 in (38.1 mm)

CSA, IEC, UL, VDE

125 °C (257 °F)

Fast

0891020.U

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)

58 V

Mini

0.299 in (7.6 mm)

ISO

125 °C (257 °F)

1682200100

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

480 J

-40 °C (-40 °F)

1 kA

Bulk

0.465 in (11.8 mm)

0.15 in (3.8 mm)

20 ms

0.339 in (8.6 mm)

DIN

85 °C (185 °F)

Very Fast

594020S

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

Silver

594

e4

L15S020

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

20 A

End Cap

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 150 VDC: 20000 A

0.406 in (10.3 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0487020.MXP

Littelfuse

Electric Fuse

Inline/Holder

420 V

420 V

20 A

End Cap

390 J

-60 °C (-76 °F)

Nickel

200 A

30 ms

Rated Breaking Capacity at 420 VDC: 300 A

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)

CUL; TUV; UL

125 °C (257 °F)

Fast

32520MVXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

60 V

20 A

Pin Wire

575 J

-55 °C (-67 °F)

Matte Tin

400 A

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

125 °C (257 °F)

Time Lag

SMD2016P030TF

Littelfuse

Electric Fuse

Surface Mount

60 V

20 A

Wraparound

-40 °C (-40 °F)

3 s

Tape And Reel, Blister, 7 inch

0.214 in (5.44 mm)

0.174 in (4.43 mm)

0.049 in (1.25 mm)

CUL; TUV; UL

85 °C (185 °F)

SMD2016P050TF

Littelfuse

Electric Fuse

Surface Mount

60 V

20 A

Wraparound

-40 °C (-40 °F)

5 s

Tape And Reel, Blister, 7 inch

0.214 in (5.44 mm)

0.174 in (4.43 mm)

0.079 in (2 mm)

CUL; TUV; UL

85 °C (185 °F)

ATO20

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

1 kA

100 ms

Box

0.752 in (19.1 mm)

0.201 in (5.1 mm)

0.484 in (12.3 mm)

CSA; UL

125 °C (257 °F)

0SPF020.H

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

1.313 kJ

20 kA

4 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; TUV; UL

Fast

KLDR020HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

123.8 J

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

KLKD020

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; VDE

125 °C (257 °F)

Fast

0JLS020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

200 kA

Bulk

0.811 in (20.6 mm)

2.252 in (57.2 mm)

CE; CSA; QPL; UL

Fast

0JTD020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

0BLF020.T

Littelfuse

Electric Fuse

Inline/Holder

125 V

20 A

End Cap

10 kA

2 m

Bulk

0.406 in (10.31 mm)

5AG

1.5 in (38.1 mm)

CE; CSA; UL

Fast

0317020.MR

Littelfuse

Electric Fuse

Surface Mount

18 V

20 A

Wraparound

728 J

-40 °C (-40 °F)

1 kA

20 ms

Tape And Reel

0.319 in (8.1 mm)

0.244 in (6.2 mm)

0.187 in (4.75 mm)

105 °C (221 °F)

FLA020

Littelfuse

Electric Fuse

Inline/Holder

125 V

20 A

End Cap

10 kA

12 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

0FLA020.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

20 A

End Cap

10 kA

12 s

Bulk

0.406 in (10.31 mm)

5AG

Indicator

1.5 in (38.1 mm)

UL

Time Delay

0293820.U

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

40 ms

0.669 in (17 mm)

0.52 in (13.2 mm)

1.059 in (26.9 mm)

125 °C (257 °F)

0504020.MX52LEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

420 V

20 A

Pin Wire

760 J

-60 °C (-76 °F)

200 A

Bulk

0.275 in (6.985 mm)

120 s

3AG

1.288 in (32.72 mm)

CE; CU; CUL

125 °C (257 °F)

0293820.MXJ

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

40 ms

0.669 in (17 mm)

0.52 in (13.2 mm)

1.059 in (26.9 mm)

125 °C (257 °F)

0293820.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

40 ms

0.669 in (17 mm)

0.52 in (13.2 mm)

1.059 in (26.9 mm)

125 °C (257 °F)

0297020.WXNV-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

442 J

-40 °C (-40 °F)

1 kA

30 ms

0.429 in (10.9 mm)

0.15 in (3.8 mm)

Mini

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0506020.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

600 V

20 A

Pin Wire

105 J

-55 °C (-67 °F)

10 kA

2 m

Bulk

0.275 in (6.99 mm)

3AB

1.288 in (32.72 mm)

CUL; UL

125 °C (257 °F)

Fast

0828020.ZXISOP

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

Tab/Blade

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)

0MIN020.ZXPRO

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

380 J

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0MAX020.X

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1.1 kJ

-40 °C (-40 °F)

1 kA

40 ms

Box

1.15 in (29.2 mm)

0.346 in (8.8 mm)

0.85 in (21.6 mm)

UL

125 °C (257 °F)

Slow

LMIN020.V

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)

0RLN020.T

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

10 kA

0.563 in (14.3 mm)

2 in (50.8 mm)

CE; CSA; UL

Fast

0PAL020.XPA

Littelfuse

Electric Fuse

Inline/Holder

20 A

Tab/Blade

Blister

LLNRK020.V

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.563 in (14.3 mm)

2 in (50.8 mm)

CE; CSA; UL; QPL

Time Delay

LLSRK020.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

5 in (127 mm)

CE; CSA; UL; QPL

Time Delay

L60S020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

-55 °C (-67 °F)

200 kA

Box

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLNR0020

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.563 in (14.3 mm)

2 in (50.8 mm)

CE; CSA; UL

Fast

KLSR0020

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

0PAL020.XP

Littelfuse

Electric Fuse

Inline/Holder

20 A

Tab/Blade

Blister

0RLS020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

10 kA

0.811 in (20.6 mm)

5 in (127 mm)

CE; CSA; UL

Fast

0KLC020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

0.563 in (14.3 mm)

1.874 in (47.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0PAL020.X

Littelfuse

Electric Fuse

Inline/Holder

20 A

Tab/Blade

Bulk

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.