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

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

SPF0020R

Littelfuse

Electric Fuse

Through Hole Mount

1 KV

20 A

Pin Wire

20 kA

SPF

1.53 in (38.86 mm)

1.53 x 0.5 in (38.86 x 12.7 mm)

0.5 in (12.7 mm)

UL

2CO020

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

20 A

Tab/Blade

200 kA

2CO

Rated Breaking Capacity at 250 VDC: 80000 A

0.827 in (21 mm)

0.827 x 2.205 in (21 x 56 mm)

2.205 in (56 mm)

CSA

TLS020

Littelfuse

Electric Fuse

Inline/Holder

170 V

20 A

End Cap

Silver

Rated Breaking Capacity at 170 VDC: 100000

0.563 in (14.3 mm)

e4

0.563 x 0.88 in (14.3 x 22.35 mm)

0.88 in (22.35 mm)

UL

L60S020

Littelfuse

Electric Fuse

Inline/Holder

600 V

20 A

End Cap

-55 °C (-67 °F)

200 kA

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0324020.MX24P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

20 A

Pin Wire

631 J

-55 °C (-67 °F)

Tin

1 kA

631

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, PSE, UL

125 °C (257 °F)

Fast

MIN20

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

380 J

-40 °C (-40 °F)

1 kA

30 ms

Box

0.429 in (10.9 mm)

0.15 in (3.8 mm)

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0257020.L

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

520 J

-40 °C (-40 °F)

Tin

1 kA

100 ms

Bulk

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e3

0.74 in (18.8 mm)

UL

105 °C (221 °F)

0SPF020.HXS

Littelfuse

Electric Fuse

Inline/Holder

1 KV

20 A

End Cap

1.313 kJ

Silver

20 kA

4 m

Bulk

0.406 in (10.31 mm)

e4

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

15NLE-20ES

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

20 A

End Cap

60 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 23.875 in (76.2 x 606.43 mm)

23.875 in (606.43 mm)

Medium

0303020.M

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

20 A

End Cap

Bulk

0.25 in (6.35 mm)

32 V

7AG

0.875 in (22.22 mm)

Normal

TLS-L020

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 1.74 in (14.3 x 44.196 mm)

1.74 in (44.196 mm)

UL

TLS020V

Littelfuse

Electric Fuse

Inline/Holder

170 V

20 A

Tab/Blade

Silver

100 kA

0.563 in (14.3 mm)

e4

0.563 x 0.88 in (14.3 x 22.35 mm)

0.88 in (22.35 mm)

CE; UL

0481020.HP

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

0275020.MRL

Littelfuse

Electric Fuse

20 A

-55 °C (-67 °F)

Tin

300 A

4 h

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)

UL

125 °C (257 °F)

Very Fast

322020

Littelfuse

Electric Fuse

Inline/Holder

65 V

65 V

20 A

End Cap

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)

CSA; UL

Very Fast

0501020.WRT

Littelfuse

Electric Fuse

Surface Mount

32 V

20 A

Wraparound

54.76 J

-55 °C (-67 °F)

150 A

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

0.126 x 0.064 x 0.02 in (3.2 x 1.63 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

NH00M20

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

20 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.126 in (54 mm)

1.181 in (30 mm)

Indicator

2.126 x 1.181 x 2.22 in (54 x 30 x 56.4 mm)

2.22 in (56.4 mm)

DIN 43620; IEC; VDE

0481020.VMP

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

0481020.HXL

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

324020P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

20 A

Pin Wire

631 J

Matte Tin

1 kA

324P

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; METI; PSE; UL

Fast

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

0327020

Littelfuse

Electric Fuse

Inline/Holder

32 V

20 A

Tab/Blade

397 J

-40 °C (-40 °F)

1 kA

0.358 in (9.1 mm)

0.15 in (3.8 mm)

0.358 x 0.15 x 0.311 in (9.1 x 3.8 x 7.9 mm)

0.311 in (7.9 mm)

125 °C (257 °F)

SOO020

Littelfuse

Electric Fuse

Inline/Holder

125 V

20 A

End Cap

10 kA

UL

Time Delay

0309639H

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

KLKD20-R

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

20 A

Tab/Blade

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)

0.406 x 1.53 in (10.31 x 38.86 mm)

1.5 in (38.1 mm)

CE; IEC; UL

125 °C (257 °F)

Fast

0215020.MXB

Littelfuse

Electric Fuse

Inline/Holder

250 V

20 A

End Cap

2.6 kJ

-55 °C (-67 °F)

400 A

2600

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)

125 °C (257 °F)

Time Lag

DZ27F20

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

Fast

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.