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

0325020.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

20 A

Pin Wire

575 J

-55 °C (-67 °F)

Matte Tin

400 A

5 s

Rated Breaking Capacity at 125 VDC: 600 A

575

Bulk

0.275 in (6.985 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; KC; PSE; UL

125 °C (257 °F)

Time Delay

0SPF020.T

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

1.313 kJ

Nickel

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

0501020.WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

20 A

Wraparound

86.36 J

-55 °C (-67 °F)

Matte Tin Over Nickel

150 A

5 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0895020.U

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

400 J

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.571 in (14.5 mm)

0.472 in (12 mm)

58 V

0.63 in (16 mm)

ISO; SAE

125 °C (257 °F)

0895020U

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

400 J

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.571 in (14.5 mm)

0.472 in (12 mm)

58 V

0.63 in (16 mm)

ISO; SAE

125 °C (257 °F)

0314020.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

631 J

-55 °C (-67 °F)

Nickel

1 kA

Rated Breaking Capacity at 125 VDC: 10000 A

631

Bulk

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; KC; PSE; UL

125 °C (257 °F)

Fast

0325020.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

20 A

Pin Wire

575 J

-55 °C (-67 °F)

Tin

400 A

4 h

575

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; KC; PSE; UL

125 °C (257 °F)

Time Lag

0287020.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

Silver

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e4

0.752 x 0.201 x 0.484 in (19.1 x 5.1 x 12.3 mm)

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0806020.WR

Littelfuse

Electric Fuse

Surface Mount

36 V

20 A

Wraparound

65 J

-55 °C (-67 °F)

Tin Over Nickel

200 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current, Rated Breaking Capacity at 24 VDC: 250 A

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

1206

0.04 in (1.01 mm)

CUL; UL

150 °C (302 °F)

Fast

C10G20

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

20 A

End Cap

120 kA

C10

0.394 in (10 mm)

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

IEC

0287020.L

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

Tin

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e3

0.752 x 0.201 x 0.484 in (19.1 x 5.1 x 12.3 mm)

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

0299020.ZXNV

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

0299020ZXNV

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1.1 kJ

-40 °C (-40 °F)

Silver

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)

125 °C (257 °F)

0326020.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

575 J

-55 °C (-67 °F)

Nickel

400 A

5 s

Rated Breaking Capacity at 125 VDC: 600 A

575

Bulk

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; KC; PSE; TUV; UL

125 °C (257 °F)

Time Delay

314020

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

631 J

-55 °C (-67 °F)

1 kA

30 s

Rated Breaking Capacity at 125 VDC: 10000 A, Pre Arcing Time: Open within 30 s at 200% Rated Current

631

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)

CSA; METI; PSE; QPL; UL

125 °C (257 °F)

Fast

KLDR020.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

123.8 J

Nickel

200 kA

Rated Breaking Capacity at 300 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)

CSA; UL

Time Delay

KLDR020TXP

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

SF-3812FG2000T-2

Bourns

Electric Fuse

Surface Mount

125 V

20 A

Wraparound

18 J

-55 °C (-67 °F)

Gold with Nickel barrier

100 A

Tape And Reel, 13 inch

0.398 in (10.1 mm)

0.122 in (3.1 mm)

e4

60 s

3812

0.398 x 0.122 x 0.122 in (10.1 x 3.1 x 3.1 mm)

0.122 in (3.1 mm)

UL

125 °C (257 °F)

Fast

0297020.L

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)

0297020.WXT

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)

32 V

Mini

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0314020.MX52LEP

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

631 J

-55 °C (-67 °F)

Nickel

1 kA

631

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, PSE, UL

125 °C (257 °F)

Fast

0326020.MXDP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

-55 °C (-67 °F)

Nickel

1.5 kA

4 h

2500

Bulk

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; UL

125 °C (257 °F)

Time Lag

0481020.HXLP

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

20 A

End Cap

1.024 kJ

-55 °C (-67 °F)

300 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

0505020.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

500 V

20 A

Pin Wire

140 J

-55 °C (-67 °F)

Matte Tin

30 kA

10 s

Rated Breaking Capacity at 500 VDC: 20000 A

140

Bulk

0.275 in (6.985 mm)

e3

500 V

3AB

0.275 x 1.288 in (6.99 x 32.72 mm)

1.288 in (32.72 mm)

125 °C (257 °F)

Fast

0MIN020.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

380 J

-40 °C (-40 °F)

Silver

1 kA

30 ms

Box

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0312020.HXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

End Cap

1.414 kJ

-55 °C (-67 °F)

Tin

300 A

10 s

Bulk

0.25 in (6.35 mm)

e3

3AG

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

0315020.HXP

Littelfuse

Electric Fuse

Through Hole Mount

32 V

20 A

Pin Wire

9.56 kJ

-55 °C (-67 °F)

Matte Tin

300 A

5 s

Pre Arcing Time: Open within 5 s at 200% Rated Current

Bulk

0.275 in (6.99 mm)

e3

32 V

3AG

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

0451020.MRSN

Littelfuse

Electric Fuse

Surface Mount

65 V

65 V

20 A

Wraparound

154 J

-55 °C (-67 °F)

100 A

20 s

Rated Breaking Capacity at 65 VDC: 150 A

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

Nano

0.106 in (2.69 mm)

CE; CUL; TUV; UL

125 °C (257 °F)

Very Fast

0495020.TXA

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

0495020TXA

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

0999020.ZXN

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

1.1 kJ

-40 °C (-40 °F)

Silver

1 kA

40 ms

Bulk

1.15 in (29.2 mm)

0.35 in (8.9 mm)

e4

1.15 x 0.335 x 0.85 in (29.21 x 8.51 x 21.6 mm)

0.85 in (21.6 mm)

SAE; UL

125 °C (257 °F)

Slow

0999020ZXN

Littelfuse

Electric Fuse

Inline/Holder

42 V

20 A

Tab/Blade

1.1 kJ

-40 °C (-40 °F)

Silver

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)

125 °C (257 °F)

0TLS020.TXL

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

CCPLP-2-20G-S

Eaton Corporation

Electric Fuse

Panel Mount

600 V

600 V

20 A

-20 °C (-4 °F)

100 kA

3.831 in (97.3 mm)

2.244 in (57 mm)

G

600 V

0.394 x 1.496 in (10 x 38 mm)

3.504 in (89 mm)

CE

90 °C (194 °F)

FLSR020.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

5 in (127 mm)

CSA; UL

Time Delay

JLS020

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

200 kA

Bulk

0.811 in (20.6 mm)

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CE; CSA; QPL; UL

Fast

JTD020

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

SF-2410F2000W-2

Bourns

Electric Fuse

Surface Mount

65 V

65 V

20 A

Wraparound

127.5 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

10 ms

Rated Breaking Capacity at 65 VDC:100 A

Tape And Reel, 7 inch

0.24 in (6.1 mm)

0.098 in (2.49 mm)

2410

0.085 in (2.16 mm)

UL

125 °C (257 °F)

Fast

TPA-20

Eaton Corporation

Electric Fuse

20 A

End Cap

100 kA

0.575 in (14.61 mm)

170 V

0.575 x 1.5 in (14.61 x 38.1 mm)

1.5 in (38.1 mm)

CSA, UL

170M2673

Eaton Corporation

Electric Fuse

Inline/Holder

1 KV

20 A

Tab/Blade

15 J

150 kA

1.929 in (49 mm)

1.181 in (30 mm)

Indicator

1.929 x 1.181 x 2.362 in (49 x 30 x 60 mm)

2.362 in (60 mm)

CE; DIN 43620; IEC; UL

BK/MAX-20

Eaton Corporation

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

Box

1.15 in (29.2 mm)

0.35 in (8.9 mm)

32 V

1.15 x 0.35 x 0.85 in (29.2 x 8.9 x 21.6 mm)

0.85 in (21.6 mm)

UL

Fast

FWP-20G10F

Eaton Corporation

Electric Fuse

Inline/Holder

690 V

500 V

20 A

End Cap

23.5 J

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Bulk

0.406 in (10.3 mm)

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

IEC; UL

PV-20A10-1P

Eaton Corporation

Electric Fuse

Inline/Holder

1 KV

20 A

Tab/Blade

34 J

-40 °C (-40 °F)

50 kA

Box

0.406 in (10.3 mm)

1 KV

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

CCC; IEC; UL

90 °C (194 °F)

SF-3812F2000T-2

Bourns

Electric Fuse

Surface Mount

250 V

250 V

20 A

Wraparound

356 J

-55 °C (-67 °F)

Gold with Nickel barrier

100 A

Rated Breaking Capacity at 250 VDC: 50 A

Tape And Reel, 13 inch

0.398 in (10.1 mm)

0.122 in (3.1 mm)

e4

60 s

3812

0.398 x 0.122 x 0.122 in (10.1 x 3.1 x 3.1 mm)

0.122 in (3.1 mm)

UL

125 °C (257 °F)

Fast

0913744

Phoenix Contact

Electric Fuse

Inline/Holder

24 V

24 V

20 A

Tab/Blade

0.748 in (19 mm)

0.197 in (5 mm)

0.512 in (13 mm)

EAC

0913061

Phoenix Contact

Electric Fuse

Inline/Holder

400 V

400 V

20 A

End Cap

-60 °C (-76 °F)

0.591 in (15 mm)

400 V

1.417 in (36 mm)

85 °C (185 °F)

L25S20

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

200 kA

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

32620MHXP

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

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.