20 A Fuses 679

Reset All
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

999020

Littelfuse

Electric Fuse

Inline/Holder

58 V

20 A

Tab/Blade

1.1 kJ

Silver

1 kA

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)

Slow

0HEV020.ZXPCB

Littelfuse

Electric Fuse

Through Hole Mount

450 V

20 A

Pin Wire

268 J

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

450 V

1.53 in (38.86 mm)

CSA; UL

125 °C (257 °F)

0315020.VXP

Littelfuse

Electric Fuse

Through Hole Mount

32 V

20 A

Pin Wire

9.56 kJ

-55 °C (-67 °F)

Matte Tin

300 A

315

Bulk

0.275 in (6.99 mm)

e3

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

0301020.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

Bulk

0.25 in (6.35 mm)

32 V

1AG

0.625 in (15.87 mm)

Normal

0318020HX

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)

CE; UL

125 °C (257 °F)

Fast

KLC020

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

Tab/Blade

-55 °C (-67 °F)

200 kA

0.563 in (14.3 mm)

1.874 in (47.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0SPF020.HXR

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

1.313 kJ

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

FLSR020ID

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; QPL; UL

Time Delay

07945810209

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

20 A

End Cap

462.056 J

-55 °C (-67 °F)

100 kA

826 µs

Rated Breaking Capacity at 600 VDC: 50000 A

Bulk

0.406 in (10.31 mm)

6.144 ms

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA, IEC, UL, VDE

125 °C (257 °F)

Fast

0891020.U

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)

1682200100

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

480 J

-40 °C (-40 °F)

1 kA

Bulk

0.465 in (11.8 mm)

0.15 in (3.8 mm)

20 ms

0.339 in (8.6 mm)

DIN

85 °C (185 °F)

Very Fast

594020S

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

Silver

594

e4

L15S020

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

20 A

End Cap

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 150 VDC: 20000 A

0.406 in (10.3 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0487020.MXP

Littelfuse

Electric Fuse

Inline/Holder

420 V

420 V

20 A

End Cap

390 J

-60 °C (-76 °F)

Nickel

200 A

30 ms

Rated Breaking Capacity at 420 VDC: 300 A

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)

CUL; TUV; UL

125 °C (257 °F)

Fast

32520MVXP

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

SMD2016P030TF

Littelfuse

Electric Fuse

Surface Mount

60 V

20 A

Wraparound

-40 °C (-40 °F)

3 s

Tape And Reel, Blister, 7 inch

0.214 in (5.44 mm)

0.174 in (4.43 mm)

0.049 in (1.25 mm)

CUL; TUV; UL

85 °C (185 °F)

SMD2016P050TF

Littelfuse

Electric Fuse

Surface Mount

60 V

20 A

Wraparound

-40 °C (-40 °F)

5 s

Tape And Reel, Blister, 7 inch

0.214 in (5.44 mm)

0.174 in (4.43 mm)

0.079 in (2 mm)

CUL; TUV; UL

85 °C (185 °F)

ATO20

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

1 kA

100 ms

Box

0.752 in (19.1 mm)

0.201 in (5.1 mm)

0.484 in (12.3 mm)

CSA; UL

125 °C (257 °F)

0SPF020.H

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

1.313 kJ

20 kA

4 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; TUV; UL

Fast

KLDR020HXP

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

KLKD020

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

FLNR20ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

200 kA

0.563 in (14.3 mm)

Indicator

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Time Delay

CY22X58G20

Littelfuse

Electric Fuse

Inline/Holder

690 V

20 A

End Cap

80 kA

0.866 in (22 mm)

690 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

Fast

0275020.VRT1L

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

Tape And Reel

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

20E1C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

20 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 15.875 in (76.2 x 403.23 mm)

15.874 in (403.2 mm)

Medium

0275020.MXT1L

Littelfuse

Electric Fuse

20 A

-55 °C (-67 °F)

Tin

300 A

4 h

203

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)

UL

125 °C (257 °F)

Very Fast

0299020.TXN

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-1CL-15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

20 A

Tab/Blade

60 kA

4.75 in (120.65 mm)

4.75 x 18.1 in (120.65 x 459.74 mm)

18.1 in (459.74 mm)

Medium

0HEV020.ZXC

Littelfuse

Electric Fuse

Inline/Holder

450 V

20 A

Tab/Blade

268 J

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

450 V

1.531 in (38.9 mm)

CSA; UL

125 °C (257 °F)

BLF020.

Littelfuse

Electric Fuse

Inline/Holder

125 V

20 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

0ATO0020.VXGLO

Littelfuse

Electric Fuse

Inline/Holder

14 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

80 ms

Bulk

0.758 in (19.25 mm)

0.207 in (5.25 mm)

0.484 in (12.3 mm)

105 °C (221 °F)

0314020.VX280P

Littelfuse

Electric Fuse

Inline/Holder

280 V

20 A

End Cap

631 J

-55 °C (-67 °F)

Nickel

350 A

314

Bulk

0.25 in (6.35 mm)

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

0506020MXEP

Littelfuse

Electric Fuse

20 A

Pin Wire

-55 °C (-67 °F)

10 kA

105

0.275 in (6.98 mm)

600 V

3AB

0.275 x 1.288 in (6.98 x 32.72 mm)

1.288 in (32.72 mm)

CE, UL

125 °C (257 °F)

Fast

0312020HX

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

End Cap

1.029 kJ

-55 °C (-67 °F)

Tin

300 A

312

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)

CSA; UL

125 °C (257 °F)

Fast

0325020.MX52LP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

20 A

Pin Wire

-55 °C (-67 °F)

4 h

575

0.275 in (6.985 mm)

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, PSE, UL

125 °C (257 °F)

Time Lag

0481020.HXP

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

SPXV020.T

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

20 A

End Cap

701 J

Nickel

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

JTD020ID

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)

Indicator

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

20E-1C-5.5S

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 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

0327020.UXS

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

32 V

Micro

0.311 in (7.9 mm)

125 °C (257 °F)

312020

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

Tin/Lead

0.25 in (6.35 mm)

e0

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Fast

KLNR020

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

200 kA

KLNR

Rated Breaking Capacity at 125 VDC: 20000 A

0.563 in (14.3 mm)

2 in (50.8 mm)

CSA; UL

Fast

LLSRK020

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)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

7945894974

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

20 A

Tab/Blade

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE, UL

125 °C (257 °F)

Time Delay

592020S

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

20 A

End Cap

Silver

592

e4

0309619H

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

CY10X38G20

Littelfuse

Electric Fuse

Inline/Holder

500 V

20 A

End Cap

120 kA

0.394 in (10 mm)

500 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

Fast

0324020.P

Littelfuse

Electric Fuse

20 A

Pin Wire

-55 °C (-67 °F)

Tin

1 kA

4 h

631

0.275 in (6.985 mm)

Supplemental

e3

250 V

3AB

0.275 x 1.288 in (6.985 x 32.72 mm)

1.288 in (32.72 mm)

CE, CSA, PSE

125 °C (257 °F)

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.