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

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

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.