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

318020

Littelfuse

Electric Fuse

Through Hole Mount

32 V

32 V

20 A

Pin Wire

Tin Lead

318

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; UL

Fast

0314020.MX280P

Littelfuse

Electric Fuse

Inline/Holder

280 V

125 V

20 A

End Cap

631 J

-55 °C (-67 °F)

Nickel

350 A

4 h

Rated Breaking Capacity at 125 VDC: 10000 A

631

Bulk

0.25 in (6.35 mm)

Supplemental

280 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; UL

125 °C (257 °F)

Fast

L50S020

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)

2 in (50.8 mm)

CE; CSA; UL

Very Fast

0215020.MXGP

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)

250 V

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

164.6185.5202

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

648 J

Matte Tin

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

648

Bulk

0.748 in (19 mm)

0.197 in (5 mm)

ATO

e3

32 V

FKSATO

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

0.52 in (13.2 mm)

UL

CY22X58M20

Littelfuse

Electric Fuse

Inline/Holder

690 V

20 A

End Cap

80 kA

0.866 in (22 mm)

500 V

0.866 x 2.283 in (22 x 58 mm)

0.866 x 2.283 in (22 x 58 mm)

2.283 in (58 mm)

IEC

Time Lag

LLSRK020ID

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; UL

Time Delay

0481020.VXL

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

1.024 kJ

-55 °C (-67 °F)

Tin

300 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

e3

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

20E-1C-38.0L

Littelfuse

Electric Fuse

Inline/Holder

38 KV

20 A

End Cap

20 kA

20E-1C-38.0

3 in (76.2 mm)

3 x 30.622 in (76.2 x 777.8 mm)

30.622 in (777.8 mm)

SPF020

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

1.174 kJ

20 kA

40 m

0.406 in (10.31 mm)

Midget

1.5 in (38.1 mm)

CCC; CE; IEC; UL; VDE

0495020.UXA

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1.7 kJ

-40 °C (-40 °F)

1 kA

40 ms

0.555 in (14.1 mm)

0.472 in (12 mm)

32 V

1.063 in (27 mm)

UL

125 °C (257 °F)

Time Delay

168.6785.5202

Littelfuse

Electric Fuse

Inline/Holder

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 0.339 in (11.9 x 3.8 x 8.6 mm)

0.339 in (8.6 mm)

UL

0NLN020.T

Littelfuse

Electric Fuse

20 A

End Cap

50 kA

0.563 in (14.3 mm)

K5

250 V

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CE, CSA, UL

Fast

592020

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

20 A

End Cap

Nickel

592

0TLS020.TXLS

Littelfuse

Electric Fuse

Inline/Holder

170 V

20 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

170 V

0.563 x 0.877 in (14.3 x 22.27 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0285020HXRP

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)

0895020TXN

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

Bulk

0.571 in (14.5 mm)

0.472 in (12 mm)

0.571 x 0.472 x 0.63 in (14.5 x 12 x 16 mm)

0.63 in (16 mm)

125 °C (257 °F)

CCMR020.HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

20 A

End Cap

918 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

0388020.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

-55 °C (-67 °F)

Tin

100 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; KTL; PSE

125 °C (257 °F)

AGA20

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)

322020P

Littelfuse

Electric Fuse

Inline/Holder

65 V

65 V

20 A

End Cap

Nickel

200 A

1 s

Pre Arcing Time: Open within 1 s at 250% Rated Current

0.25 in (6.35 mm)

65 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

UL

Very Fast

RLS020

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

8NLE20E

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

20 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 17.87 in (76.2 x 453.89 mm)

17.875 in (454.03 mm)

Medium

CY10X38M20

Littelfuse

Electric Fuse

Inline/Holder

400 V

20 A

End Cap

120 kA

0.394 in (10 mm)

400 V

0.394 x 1.496 in (10 x 38 mm)

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

IEC

Time Lag

0481020.VP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

1.024 kJ

-55 °C (-67 °F)

Tin

300 A

5 m

0.701 in (17.8 mm)

0.228 in (5.8 mm)

e3

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

SLO020

Littelfuse

Electric Fuse

Inline/Holder

125 V

20 A

End Cap

10 kA

UL

Medium Time Delay

0MIN020.VPGLO

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

Blister

0.426 in (10.83 mm)

0.15 in (3.8 mm)

100 ms

Mini

Indicator

0.35 in (8.9 mm)

105 °C (221 °F)

0297020.U

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

442 J

-40 °C (-40 °F)

1 kA

30 ms

380

0.429 in (10.9 mm)

0.15 in (3.8 mm)

32 V

Mini

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)

0891020N

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

420 J

-40 °C (-40 °F)

Silver/Tin

1 kA

891

Bulk

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4/e3

0.429 x 0.15 x 0.331 in (10.9 x 3.8 x 8.4 mm)

0.331 in (8.4 mm)

125 °C (257 °F)

0495020U

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

0327020.LXS

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)

32 V

Micro

0.311 in (7.9 mm)

125 °C (257 °F)

0481020.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

1.024 kJ

-55 °C (-67 °F)

Tin

300 A

5 m

0.701 in (17.8 mm)

0.228 in (5.8 mm)

e3

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

2410SFV20.0FM/065

Littelfuse

Electric Fuse

20 A

3.4 mJ

-55 °C (-67 °F)

4 h

0.246 in (6.25 mm)

0.104 in (2.64 mm)

125 V

2410

0.246 x 0.104 x 0.093 in (6.25 x 2.64 x 2.36 mm)

0.093 in (2.36 mm)

125 °C (257 °F)

Very Fast

0891020.NXS

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)

AGW20

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)

FLQ020.T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

20 A

End Cap

-55 °C (-67 °F)

10 kA

0.406 in (10.31 mm)

500 V

Midget

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA, UL

125 °C (257 °F)

Time Lag

0FLQ020.T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

20 A

End Cap

10 kA

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; UL

Time Delay

0481020HXL

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

570 J

-55 °C (-67 °F)

Tin

300 A

481

Rated Breaking Capacity at 125 VDC: 200 A

Bulk

e3

Alarm

CSA; UL

90 °C (194 °F)

0299020.ZXT

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1.1 kJ

-40 °C (-40 °F)

Silver

1 kA

40 ms

1100

Bulk

1.15 in (29.2 mm)

0.346 in (8.8 mm)

e4

32 V

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

0.85 in (21.6 mm)

UL

125 °C (257 °F)

Time Delay

20E-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

20 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

0CBO020.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

10 kA

0.812 in (20.62 mm)

1.623 in (41.23 mm)

Fast

0481020.VX

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

0315020.MXP

Littelfuse

Electric Fuse

Through Hole Mount

32 V

20 A

Pin Wire

9.56 kJ

-60 °C (-76 °F)

300 A

5 s

Bulk

0.275 in (6.99 mm)

3AG

1.273 x 0.275 in (32.34 x 6.98 mm)

1.288 in (32.72 mm)

UL

125 °C (257 °F)

Time Lag

257020

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

257

Rated Breaking Capacity at 32 VDC: 1000 A, Joule Integral Nom at 32 VDC: 520

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)

CSA; UL

Fast

20E1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

20 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 10.875 in (76.2 x 276.23 mm)

10.874 in (276.2 mm)

Medium

593020S

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

End Cap

Silver

0.394 in (10 mm)

e4

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

MIL-PRF-15160

Time Delay

168.6585.5206

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

MIN20BP

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)

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.