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

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)

0JLS020.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

200 kA

0.811 in (20.6 mm)

J

600 V

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CE; CSA; QPL; UL

Fast

299020

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1.1 kJ

Silver

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

1.15 in (29.21 mm)

0.348 in (8.85 mm)

e4

1.15 x 0.348 x 0.85 in (29.21 x 8.85 x 21.59 mm)

0.85 in (21.59 mm)

UL

Slow

0318020.VXP

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)

CSA; UL

125 °C (257 °F)

Fast

SPFI020

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

Ferrule

1.174 kJ

Nickel

20 kA

4 m

0.406 in (10.31 mm)

Midget

2.5 in (63.5 mm)

CE; UL

PAL020

Littelfuse

Electric Fuse

Inline/Holder

20 A

Tab/Blade

Bulk

CCMR020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

20 A

End Cap

200 kA

CCMR

Rated Breaking Capacity at 500 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

Time Delay

0313020.HXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

End Cap

9.56 kJ

-55 °C (-67 °F)

Matte Tin

300 A

4 h

9560

Bulk

0.25 in (6.35 mm)

Supplemental

e3

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

UL

125 °C (257 °F)

Time Lag

LA70QS20-14FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

20 A

End Cap

160 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

CSA; UL

Very Fast

32620MVXP

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

SPF0020

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

20 kA

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

UL

LA15QS20-2

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

20 A

End Cap

72 mJ

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

0.409 in (10.4 mm)

0.409 x 1.5 in (10.4 x 38.1 mm)

1.5 in (38.1 mm)

UL

Very Fast

0215020.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

20 A

Pin Wire

2.6 kJ

-55 °C (-67 °F)

Tin

400 A

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

2600

Bulk

0.228 in (5.8 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

IEC; PSE; UL

125 °C (257 °F)

Time Lag

15NLE20E

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

20 A

End Cap

60 kA

5 m

3 in (76.2 mm)

Striker

3 x 23.875 in (76.2 x 606.43 mm)

23.875 in (606.43 mm)

Medium

0309621M

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

0309619M

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

5NLE20E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

20 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

KLDR020

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

0.406 in (10.3 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

0318020.MXBP

Littelfuse

Electric Fuse

Through Hole Mount

32 V

20 A

Pin Wire

1.029 kJ

-55 °C (-67 °F)

Tin

300 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)

CSA; UL

125 °C (257 °F)

Fast

AGW20CABP

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

0.25 in (6.35 mm)

32 V

7AG

0.875 in (22.225 mm)

RLN020

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

0899020.Z

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1.3 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.638 in (16.2 mm)

0.256 in (6.5 mm)

0.394 in (10 mm)

125 °C (257 °F)

5NLE-20ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

20 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

0312020.P

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

End Cap

1.029 kJ

-55 °C (-67 °F)

Tin

300 A

312

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

DZ27T20

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

Time Lag

20E-1C-5.5L

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

20 A

End Cap

80 kA

20E-1C-5.5

3 in (76.2 mm)

3 x 15.874 in (76.2 x 403.2 mm)

15.874 in (403.2 mm)

0FLQ020.HXR

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

20 A

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0275020.MXL

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

Bulk

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

KLKD020.H

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

0481020.HMP

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

F60C500V20A

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

20 A

End Cap

Nickel

200 kA

Rated Breaking Capacity at 500 VDC: 150000 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)

MIL-PRF-15160/60

326020

Littelfuse

Electric Fuse

20 A

End Cap

575

0.25 in (6.35 mm)

Supplemental

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA, UL

AGX20CABP

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

0.25 in (6.35 mm)

32 V

8AG

1 in (25.4 mm)

0BLN020.T

Littelfuse

Electric Fuse

Inline/Holder

250 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; PSE; UL

Fast

KLB20

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

200 kA

KLB

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

0495020T

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

32520MMXDP

Littelfuse

Electric Fuse

Through Hole Mount

125 V

60 V

20 A

Pin Wire

575 J

-55 °C (-67 °F)

Matte Tin

10 kA

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

32520MMXP

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

JLLS020

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 1.5 in (14.3 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

IDSR020.T

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)

5 in (127 mm)

CSA; UL

Time Delay

168.6585.5202

Littelfuse

Electric Fuse

Through Hole Mount

32 V

20 A

Tab/Blade

331 J

Tin

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

Bulk

0.469 in (11.9 mm)

0.15 in (3.8 mm)

e3

0.469 x 0.15 x 0.335 in (11.9 x 3.8 x 8.5 mm)

0.335 in (8.5 mm)

UL

MAX20BP

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.