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

MAX20

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

FLM20

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

10 kA

12 s

Pre Arcing Time: Open within 12 s at 200% Rated Current

0.406 in (10.31 mm)

250 V

Midget

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; QPL; UL

Slow

0SPF020.TXS

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

1.313 kJ

Silver

20 kA

4 m

Bulk

0.406 in (10.31 mm)

e4

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

L50S20

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

20 A

End Cap

200 kA

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

AGA20BP

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

0.25 in (6.35 mm)

32 V

1AG

0.625 in (15.875 mm)

0695020.PXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

600 J

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.421 in (10.7 mm)

0.244 in (6.2 mm)

0.421 x 0.244 x 0.689 in (10.7 x 6.2 x 17.5 mm)

0.689 in (17.5 mm)

125 °C (257 °F)

0891020.H

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)

AGU20

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

0.406 in (10.3187 mm)

32 V

5AG

1.5 in (38.1 mm)

0287020

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

1 kA

0.75 in (19.05 mm)

0.2 in (5.08 mm)

0.75 x 0.2 x 0.48 in (19.05 x 5.08 x 12.19 mm)

0.48 in (12.19 mm)

105 °C (221 °F)

350E-3C-8.25L

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

20 A

End Cap

80 kA

350E-3C-8.25

9.748 in (247.6 mm)

9.748 x 15.874 in (247.6 x 403.2 mm)

15.874 in (403.2 mm)

LA120X20-1

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

1 KV

20 A

End Cap

3.7 kJ

100 kA

Rated Breaking Capacity at 1000 VDC: 100000 A

0.811 in (20.6 mm)

1.2 KV

0.811 x 4.606 in (20.6 x 117 mm)

4.606 in (117 mm)

Very Fast

L13S20

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

20 A

End Cap

100 kA

L13S

Rated Breaking Capacity at 150 VDC: 20000 A

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

Fast

0504020.MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

420 V

20 A

End Cap

760 J

-60 °C (-76 °F)

200 A

Bulk

0.25 in (6.35 mm)

120 s

3AG

0.049 in (1.25 mm)

CE; CU; CUL

125 °C (257 °F)

L50S020.T

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

20 A

End Cap

48 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

2 in (50.8 mm)

CE; CSA; UL

125 °C (257 °F)

Very Fast

0495020.T

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

1.75 kJ

-40 °C (-40 °F)

1 kA

0495

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

3412200000

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

1.8 kJ

-25 °C (-13 °F)

1.5 kA

Bulk

0.248 in (6.3 mm)

120 s

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

CSA; UL

70 °C (158 °F)

Medium Time Lag

0326020.VXP

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

LA100P20-1

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

20 A

End Cap

800 mJ

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

0.559 in (14.2 mm)

0.559 x 2.63 in (14.2 x 66.8 mm)

2.63 in (66.8 mm)

UL

Very Fast

0293020.MXJ

Littelfuse

Electric Fuse

20 A

-40 °C (-40 °F)

0.906 in (23 mm)

0.646 in (16.4 mm)

32 V

0.906 x 0.646 x 1.205 in (23 x 16.4 x 30.6 mm)

1.205 in (30.6 mm)

125 °C (257 °F)

0324020.VXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

20 A

Pin Wire

631 J

-55 °C (-67 °F)

Matte Tin

1 kA

Rated Breaking Capacity at 125 VDC: 10000 A

631

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; PSE; UL

125 °C (257 °F)

Fast

OAT0020.VPGLO

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

80 ms

Pre Arcing Time: Open within 80 ms at 350% Rated Current

Blister

0.76 in (19.3 mm)

0.207 in (5.25 mm)

Indicator

0.48 in (12.2 mm)

125 °C (257 °F)

IDSR020

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

0.752 x 5 in (19.1 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

KLKR020.

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

Nickel

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

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

297020

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

380 J

Silver

Rated Breaking Capacity at 32 VDC: 1000 A

0.43 in (10.92 mm)

0.15 in (3.81 mm)

e4

0.43 x 0.15 x 0.339 in (10.92 x 3.81 x 8.6 mm)

0.339 in (8.6 mm)

UL

Fast

L60S20

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

200 kA

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Fast

594020

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

Nickel

594

JTD20ID

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

2.252 in (57.2 mm)

CSA; UL

Time Delay

168.6785.5207

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

331 J

Tin

1 kA

168.6785

Bulk

0.469 in (11.9 mm)

0.15 in (3.8 mm)

e3

0.469 x 0.15 x 0.339 in (11.9 x 3.8 x 8.6 mm)

0.339 in (8.6 mm)

UL

1692200100

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

2.8 kJ

-40 °C (-40 °F)

1 kA

Bulk

1.173 in (29.8 mm)

0.358 in (9.1 mm)

40 ms

0.835 in (21.2 mm)

85 °C (185 °F)

Time Lag

0495020Z

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

0MIN020.MXGLO

Littelfuse

Electric Fuse

Inline/Holder

12 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.43 in (10.92 mm)

0.15 in (3.81 mm)

Mini

0.345 in (8.76 mm)

125 °C (257 °F)

SPXV020.L

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

20 A

End Cap

701 J

30 kA

4 m

Bulk

0.406 in (10.31 mm)

GPV

1.5 KV

0.394 x 3.346 in (10 x 85 mm)

0.409 x 3.358 in (10.4 x 85.3 mm)

3.333 in (84.65 mm)

CUL; TUV; UL

Fast

0324020.MX280P

Littelfuse

Electric Fuse

Through Hole Mount

280 V

125 V

20 A

Pin Wire

631 J

-55 °C (-67 °F)

Matte Tin

350 A

Rated Breaking Capacity at 125 VDC: 10000 A

631

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; UL

125 °C (257 °F)

Fast

0327020.ZXS

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

400 J

-40 °C (-40 °F)

Silver

1 kA

20 ms

Bulk

0.358 in (9.1 mm)

0.15 in (3.8 mm)

e4

Micro

0.311 in (7.9 mm)

125 °C (257 °F)

NLS020

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

20 A

End Cap

50 kA

Rated Breaking Capacity at 500 VDC; 20000

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

SPXV020.TXS

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

20 A

End Cap

701 J

Silver

30 kA

4 m

Bulk

0.406 in (10.31 mm)

e4

3.333 in (84.65 mm)

CE; CUL; IEC; UL

Fast

SPFI020.L

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

1.313 kJ

20 kA

4 m

1313

Bulk

0.406 in (10.31 mm)

0.406 x 2.5 in (10.31 x 63.5 mm)

2.5 in (63.5 mm)

CE, TUV, UL

0MIN020.VXGLO

Littelfuse

Electric Fuse

Inline/Holder

12 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

30 ms

Bulk

0.43 in (10.92 mm)

0.15 in (3.81 mm)

Mini

0.345 in (8.76 mm)

125 °C (257 °F)

0NLN020.H

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

50 kA

Interrupting Current Max(DC): 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CE; CSA; UL

10-1003

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

80 ms

Pre Arcing Time: Open within 80 ms at 350% Rated Current

Blister

0.76 in (19.3 mm)

0.207 in (5.25 mm)

Indicator

0.76 x 0.207 x 0.48 in (19.3 x 5.25 x 12.2 mm)

0.48 in (12.2 mm)

125 °C (257 °F)

LA60Q20-2

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

20 A

End Cap

330 J

200 kA

Rated Breaking Capacity at 600 VDC: 100000 A

0.406 in (10.32 mm)

0.406 x 1.5 in (10.32 x 38.1 mm)

1.5 in (38.1 mm)

UL

Very Fast

162.6185.5202

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

Tin

1 kA

Pre Arcing Time: Open within 0.020 s at 600% Rated Current

Bulk

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)

CUL; UL

0283020.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)

TOO020

Littelfuse

Electric Fuse

Inline/Holder

125 V

20 A

End Cap

10 kA

UL

Time Delay

0505020.MX52LEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

500 V

20 A

Pin Wire

140 J

-55 °C (-67 °F)

Tin

30 kA

10 s

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

0.275 in (6.985 mm)

e3

500 V

3AB

1.288 in (32.72 mm)

125 °C (257 °F)

Fast

0995020Z

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

1.75 kJ

-40 °C (-40 °F)

1 kA

0995

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)

0481020V

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

570 J

-55 °C (-67 °F)

Tin

300 A

Rated Breaking Capacity at 125 VDC: 200 A

Bulk

e3

Alarm

CSA; UL

90 °C (194 °F)

0695020.PXPS

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

570 J

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.421 in (10.7 mm)

0.244 in (6.2 mm)

0.421 x 0.244 x 0.689 in (10.7 x 6.2 x 17.5 mm)

0.689 in (17.5 mm)

125 °C (257 °F)

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.