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

ATDR20

Mersen S A

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 300 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)

CSA; UL

Time Delay

LP-CC-20

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Box

0.394 in (10 mm)

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.496 in (38 mm)

CE; CSA; UL

Time Delay

KTK-R-20

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

Nickel

200 kA

Box

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Fast

ATM-20

Eaton Corporation

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

Tin

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

Box

0.43 in (10.92 mm)

0.15 in (3.81 mm)

e3

32 V

0.43 x 0.15 x 0.347 in (10.92 x 3.81 x 8.81 mm)

0.347 in (8.81 mm)

UL

100 °C (212 °F)

Fast

ATM20

Mersen S A

Electric Fuse

Inline/Holder

600 V

600 V

20 A

End Cap

100 kA

Rated Breaking Capacity = 27A-10kA

Bulk

0.394 in (10 mm)

600 V

Midget

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

CSA; UL

Fast

ATQR20

Mersen S A

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 300 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)

CSA, CE, UL

80 °C (176 °F)

Time Delay

FNQ-R-20

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

Nickel

200 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Box

0.406 in (10.3 mm)

CC

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

0501020.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

20 A

Wraparound

54.76 J

-55 °C (-67 °F)

Tin Over Nickel

150 A

4 h

54.76

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.62 mm)

e3

32 V

2 mΩ

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.62 x 0.82 mm)

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

Fast

3413.0331.22

Schurter Ag

Electric Fuse

Surface Mount

32 V

63 V

20 A

Wraparound

110 J

-55 °C (-67 °F)

Nickel/Gold

100 A

110

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

1 ms

0.126 x 0.063 in (3.2 x 1.6 mm)

0.126 x 0.063 x 0.024 in (3.2 x 1.6 x 0.6 mm)

0.024 in (0.6 mm)

CUL; UL

90 °C (194 °F)

Time Lag

20NHG000B

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

20 A

Tab/Blade

490 J

120 kA

Box

1.929 in (49 mm)

0.827 in (21 mm)

NH000

Indicator

1.614 in (41 mm)

CE; DIN; IEC; VDE

AGC-20-R

Eaton Corporation

Electric Fuse

Inline/Holder

32 V

20 A

End Cap

2.44 kJ

-55 °C (-67 °F)

Nickel

1 kA

Pre Arcing Time: Open within 120 s at 200% Rated Current

1.438

Box

0.25 in (6.35 mm)

32 V

0.248 x 1.26 in (6.3 x 32 mm)

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

BK/ATM-20

Eaton Corporation

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

Box

0.43 in (10.92 mm)

0.15 in (3.81 mm)

32 V

0.43 x 0.15 x 0.347 in (10.92 x 3.81 x 8.81 mm)

0.347 in (8.81 mm)

UL

100 °C (212 °F)

Fast

0215020.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

20 A

End Cap

2.6 kJ

-55 °C (-67 °F)

Nickel

400 A

10 ms

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

2600

Bulk

0.205 in (5.2 mm)

250 V

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)

IEC; PSE; SEMKO; UL

125 °C (257 °F)

Time Lag

0456020.ER

Littelfuse

Electric Fuse

Surface Mount

125 V

100 V

20 A

Wraparound

18 J

-55 °C (-67 °F)

Silver

100 A

Rated Breaking Capacity at 100 VDC: 300 A

18

Tape And Reel

0.397 in (10.08 mm)

0.12 in (3.05 mm)

e4

125 V

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.12 in (3.05 mm)

CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

0297020.WXNV

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

442 J

-40 °C (-40 °F)

Silver

1 kA

30 ms

380

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4

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)

0297020WXNV

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

380 J

-40 °C (-40 °F)

Silver

Rated Breaking Capacity at 32 VDC: 1000 A

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4

0.429 x 0.15 x 0.346 in (10.9 x 3.8 x 8.8 mm)

0.346 in (8.8 mm)

125 °C (257 °F)

0463020.ER

Littelfuse

Electric Fuse

Surface Mount

250 V

100 V

20 A

Wraparound

433 J

-55 °C (-67 °F)

Silver

100 A

1 m

Rated Breaking Capacity at 100 VDC: 50 A

Tape And Reel

0.398 in (10.1 mm)

0.12 in (3.05 mm)

e4

250 V

Nano

0.398 x 0.12 x 0.12 in (10.1 x 3.05 x 3.05 mm)

0.12 in (3.05 mm)

CE; CUL; UL

125 °C (257 °F)

Fast

0ATO020.V

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)

0287020.PXCN

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

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)

0314020.MXP

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; CUL; KC; PSE; UL

125 °C (257 °F)

Fast

ABC-20-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

550.8 J

Nickel

400 A

2 m

Pre Arcing Time: Open within 120 s at 200% Rated Current

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; UL

Fast

CCMR020.TXP

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

AJT20

Mersen S A

Electric Fuse

Inline/Holder

700 V

400 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 400 VDC: 100000 A

0.827 in (21 mm)

Indicator

0.827 x 2.244 in (21 x 57 mm)

2.244 in (57 mm)

Time Delay

BK/ABC-20-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

550.8 J

Nickel

400 A

2 m

Pre Arcing Time: Open within 120 s at 200% Rated Current

Box

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; UL

Fast

BK/ATC-20

Eaton Corporation

Electric Fuse

Inline/Holder

32 V

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

100 ms

Bulk

0.752 in (19.1 mm)

0.201 in (5.1 mm)

32 V

0.76 x 0.207 x 0.492 in (19.3 x 5.25 x 12.5 mm)

0.483 in (12.28 mm)

UL

100 °C (212 °F)

Fast

ATM-20LP

Eaton Corporation

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

0.429 in (10.9 mm)

0.15 in (3.81 mm)

32 V

0.429 x 0.15 x 0.344 in (10.9 x 3.81 x 8.73 mm)

0.344 in (8.73 mm)

125 °C (257 °F)

Fast

JKS-20

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

200 kA

Box

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; UL

Fast

AJT20N

Mersen S A

Electric Fuse

Inline/Holder

600 V

400 V

20 A

End Cap

200 kA

0.827 in (21 mm)

2.244 in (57 mm)

CSA; IEC; UL

Time Delay

PV-20A10F

Eaton Corporation

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

34 J

-40 °C (-40 °F)

50 kA

Box

0.406 in (10.3 mm)

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

CCC; IEC; UL

90 °C (194 °F)

1206SFH200F/24-2

TE Connectivity

Electric Fuse

Surface Mount

24 V

20 A

Wraparound

56 J

-55 °C (-67 °F)

100 A

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.126 in (3.2 mm)

0.063 in (1.6 mm)

24 V

1206

0.126 x 0.063 x 0.038 in (3.2 x 1.6 x 0.97 mm)

0.038 in (0.97 mm)

UL

125 °C (257 °F)

C14G20

Eaton Corporation

Electric Fuse

Inline/Holder

690 V

690 V

20 A

End Cap

80 kA

C14

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

IEC

PF-EC1-20

Bourns

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

804.3 J

-55 °C (-67 °F)

20 kA

4 m

Bulk

0.406 in (10.3 mm)

5AG

1.496 in (38 mm)

CUL; UL

125 °C (257 °F)

PF-ET1-20

Bourns

Electric Fuse

Inline/Holder

1 KV

20 A

Tab/Blade

804.3 J

-55 °C (-67 °F)

20 kA

4 m

Tray

0.406 in (10.3 mm)

5AG

1.496 in (38 mm)

CUL; UL

125 °C (257 °F)

0322020.MXP

Littelfuse

Electric Fuse

Inline/Holder

65 V

20 A

End Cap

192 J

-55 °C (-67 °F)

200 A

1 s

192

Bulk

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)

CE; UL

125 °C (257 °F)

Very Fast

0322020MXP

Littelfuse

Electric Fuse

20 A

End Cap

-55 °C (-67 °F)

Nickel

200 A

4 h

192

0.25 in (6.35 mm)

Supplemental

65 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)

Very Fast

0257020.PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

Tin/Copper

1 kA

4 d 4 h

520

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

ATO

e2

32 V

0.75 x 0.2 x 0.48 in (19.05 x 5.08 x 12.19 mm)

0.48 in (12.19 mm)

UL

105 °C (221 °F)

Fast

0257020PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

Tin

1 kA

0257

Rated Breaking Capacity at 32 VDC: 1000 A

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

e3

0.75 x 0.2 x 0.48 in (19.05 x 5.08 x 12.19 mm)

0.48 in (12.19 mm)

UL

105 °C (221 °F)

FNM-20

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

10 kA

Box

0.406 in (10.3 mm)

250 V

Midget

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

BK/GBB-20-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

20 A

End Cap

Nickel

200 A

Rated Breaking Capacity at 125 VDC: 200 A

Box

0.25 in (6.35 mm)

250 V

0.236 x 1.26 in (6 x 32 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Very Fast

0324020.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

125 V

20 A

Pin Wire

631 J

-55 °C (-67 °F)

Matte Tin

1 kA

Rated Breaking Capacity at 125 VDC: 10000 A

631

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; CUL; KC; PSE; TUV; UL

125 °C (257 °F)

Fast

8020.5024

Schurter Ag

Electric Fuse

Inline/Holder

400 V

63 V

20 A

End Cap

4 kJ

-40 °C (-40 °F)

1.5 kA

Rated Breaking Capacity at 63 VDC: 20000 A

Bulk

0.25 in (6.35 mm)

10 ms

0.248 x 1.26 in (6.3 x 32 mm)

0.25 x 1.252 in (6.35 x 31.8 mm)

1.252 in (31.8 mm)

CUL; UL

85 °C (185 °F)

Time Lag

8020.5024.G

Schurter Ag

Electric Fuse

Inline/Holder

400 V

63 V

20 A

End Cap

4 kJ

-40 °C (-40 °F)

1.5 kA

Rated Breaking Capacity at 63 VDC: 20000 A

Bulk

0.25 in (6.35 mm)

10 ms

0.248 x 1.26 in (6.3 x 32 mm)

0.25 x 1.252 in (6.35 x 31.8 mm)

1.252 in (31.8 mm)

CUL; UL

85 °C (185 °F)

Time Lag

KLKR020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

Tab/Blade

900 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Fast

KTK-20

Eaton Corporation

Electric Fuse

20 A

End Cap

100 kA

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)

CSA, UL

Fast

ATC-20

Eaton Corporation

Electric Fuse

Inline/Holder

32 V

32 V

20 A

Tab/Blade

-40 °C (-40 °F)

1 kA

100 ms

Bulk

0.752 in (19.1 mm)

0.201 in (5.1 mm)

32 V

0.76 x 0.207 x 0.492 in (19.3 x 5.25 x 12.5 mm)

0.483 in (12.28 mm)

UL

100 °C (212 °F)

Fast

E1014580

Mersen S A

Electric Fuse

Inline/Holder

700 V

500 V

20 A

End Cap

39 J

160 kA

Bulk

0.406 in (10.3 mm)

GR

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

CCC, CE, CSA, IEC, UL

Fast

PF-HC1-20

Bourns

Electric Fuse

Inline/Holder

600 V

600 V

20 A

End Cap

206.48 J

-55 °C (-67 °F)

150 kA

4 m

Rated Breaking Capacity at 600 VDC: 10000 A

Bulk

0.406 in (10.3 mm)

5AG

1.496 in (38 mm)

CUL; TUV; UL

125 °C (257 °F)

0KLK020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

20 A

End Cap

Nickel

100 kA

Rated Breaking Capacity at 500 VDC: 50000 A

0.406 in (10.31 mm)

600 V

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

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.