250 V Fuses 1,253

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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

0215001MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1 A

Pin Wire

1.52 J

-55 °C (-67 °F)

Matte Tin

1.5 kA

10 ms

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

1.52

Bulk

0.228 in (5.8 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

3111125002

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1.25 A

End Cap

1.7 J

-40 °C (-40 °F)

Nickel

1.5 kA

311

Rated Breaking Capacity at 250 VDC: 1500 A

Bulk

0.205 in (5.2 mm)

5 ms

Indicator

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

UL

85 °C (185 °F)

Medium

KLB6

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

6 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

KLSR001

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

1 A

End Cap

200 kA

KLSR

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

Fast

NLN400

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

400 A

Tab/Blade

1.51 MJ

50 kA

2.094 in (53.2 mm)

2.094 x 4.878 in (53.2 x 123.9 mm)

8.626 in (219.1 mm)

CE; CSA; UL

226.315

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

315 mA

Pin Wire

15 mJ

1.5 kA

226

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CSA; IEC; KTL; SEMKO; SEV; UL; VDE

Fast

217.250

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

250 mA

End Cap

42 mJ

-55 °C (-67 °F)

Nickel

35 A

0.04

Bulk; Tape And Reel

0.205 in (5.2 mm)

Supplemental

250 V

1.232 Ω

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)

CCC; CE; IEC; SEMKO; VDE

125 °C (257 °F)

Fast

KLSR006

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

6 A

End Cap

200 kA

KLSR

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

5 in (127 mm)

CSA; UL

Fast

59302.8

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2.8 A

End Cap

Nickel

593

313.500

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

500 mA

End Cap

2.55 J

-55 °C (-67 °F)

35 A

5 s

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

2.55

0.25 in (6.35 mm)

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Slow

0NLN001.T

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1 A

End Cap

50 kA

Interrupting Current Max(DC): 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CE; CSA; UL

0662004

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

4 A

Pin Wire

7.9 J

-40 °C (-40 °F)

Matte Tin

40 A

662

Rated Breaking Capacity at 250 VDC: 40 A

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL

85 °C (185 °F)

Fast

0326.600VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

600 mA

End Cap

-55 °C (-67 °F)

Nickel

4 h

3.9

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

NLN005

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

5 A

End Cap

50 kA

Rated Breaking Capacity at 250 VDC; 20000

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

0662.400HXSL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

400 mA

Pin Wire

44 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

0326.700MXCCP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

700 mA

End Cap

-55 °C (-67 °F)

4 h

6.42

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

216.630

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

630 mA

End Cap

179 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

Bulk; Tape And Reel

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; SEMKO; UL

125 °C (257 °F)

Fast

0662.160MALL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

160 mA

Pin Wire

14 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Ammo Pack

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

0326.125MXCCP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

125 mA

End Cap

-55 °C (-67 °F)

4 h

0.1

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

125 °C (257 °F)

Time Lag

59302.5

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

2.5 A

End Cap

Nickel

593

21606.3XE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

6.3 A

Pin Wire

57.9 J

1.5 kA

0.236 in (6 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

BSI; CCC; CSA; IEC; KTL; METI; PSE; SEMKO; UL; VDE

Fast

0677005MXE

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

5 A

Pin Wire

140 J

Tin Lead

50 A

Bulk

0.154 in (3.9 mm)

e0

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; IEC; UL; VDE

Slow

221010

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

10 A

Pin Wire

360.5 J

1.5 kA

0.207 in (5.25 mm)

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

CCC; CSA; CUL; SEMKO; SEV; PSE; VDE; UL

Time Lag

203003G

Littelfuse

Electric Fuse

Surface Mount

250 V

250 V

3 A

Gull Wing

4.4 J

-55 °C (-67 °F)

Tin/Lead

50 A

203

Tape And Reel

0.372 in (9.45 mm)

0.25 in (6.35 mm)

e0

0.372 x 0.25 x 0.165 in (9.45 x 6.35 x 4.19 mm)

0.165 in (4.19 mm)

CSA; UL

125 °C (257 °F)

Slow

0325003.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

3 A

Pin Wire

200 J

-55 °C (-67 °F)

Matte Tin

100 A

4 h

200

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

59301.5

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1.5 A

End Cap

Nickel

593

594007

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

7 A

End Cap

Nickel

594

0662002.ZRLL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

2 A

Pin Wire

1.33 J

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Tape And Reel

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

221.315

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

315 mA

Pin Wire

1.08 J

1.5 kA

10 ms

0.207 in (5.25 mm)

0.197 x 0.787 in (5 x 20 mm)

0.886 in (22.5 mm)

CCC; CSA; CUL; SEMKO; SEV; PSE; VDE; UL

Time Lag

0NLN025.T

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

25 A

End Cap

50 kA

Interrupting Current Max(DC): 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CE; CSA; UL

0662.080HXSL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

80 mA

Pin Wire

1 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

06621.25

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.25 A

Pin Wire

680 mJ

-40 °C (-40 °F)

Matte Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

0326.031MXCCP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

31 mA

End Cap

-55 °C (-67 °F)

4 h

0.011

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

125 °C (257 °F)

Time Lag

0662.063MALL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

63 mA

Pin Wire

1 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Ammo Pack

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

0662004.HXSL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

4 A

Pin Wire

7.9 J

-40 °C (-40 °F)

Tin

40 A

662

Rated Breaking Capacity at 250 VDC: 40 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL

85 °C (185 °F)

Fast

067701.6DRT4

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

1.6 A

Pin Wire

18.2 J

Tin Lead

35 A

18.2

Tape And Reel

0.154 in (3.9 mm)

e0

250 V

0.154 x 0.433 in (3.9 x 11 mm)

0.433 in (11 mm)

CSA; IEC; UL; VDE

Slow

0662.250HXLL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

250 mA

Pin Wire

58 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Bulk

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

CCMR1.25T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

1.25 A

End Cap

200 kA

CCMR

Rated Breaking Capacity at 250 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)

CE; CSA; UL

Time Delay

313008

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

8 A

End Cap

445 J

-55 °C (-67 °F)

Tin/Lead

200 A

4 h

445

0.25 in (6.35 mm)

Supplemental

e0

250 V

11 mΩ

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Slow

227005

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

5 A

Pin Wire

43.9 J

50 A

227

0.207 in (5.25 mm)

0.207 x 0.886 in (5.25 x 22.5 mm)

0.886 in (22.5 mm)

BSI; CCC; CSA; IEC; KTL; SEMKO; SEV; VDE

Fast

0242.250HAT1

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

250 mA

Pin Wire

5.79 mJ

-40 °C (-40 °F)

Matte Tin Over Nickel

4 kA

2 ms

Pre Arcing Time: Open within 0.002 s at 1000% Rated Current

0.0058

Ammo Pack

0.119 in (3.02 mm)

e3

250 V

0.119 x 0.331 in (3.02 x 8.4 mm)

0.331 in (8.4 mm)

UL

125 °C (257 °F)

0325010.HXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

10 A

Pin Wire

137 J

-55 °C (-67 °F)

Tin

400 A

4 h

137

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

0662.200ZRLL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

200 mA

Pin Wire

24 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Tape And Reel

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

NLN025

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

25 A

End Cap

50 kA

Rated Breaking Capacity at 250 VDC; 20000

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

0326.750HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

750 mA

End Cap

7 J

-55 °C (-67 °F)

Nickel

100 A

4 h

7

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

0325020.VXP

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

0662.250MALL

Littelfuse

Electric Fuse

Through Hole Mount

250 V

250 V

250 mA

Pin Wire

58 mJ

-40 °C (-40 °F)

Tin

35 A

662

Rated Breaking Capacity at 250 VDC: 35 A

Ammo Pack

0.335 in (8.5 mm)

e3

0.335 x 0.333 in (8.5 x 8.45 mm)

0.333 in (8.45 mm)

CCC; KTL; PSE; UL; VDE

85 °C (185 °F)

Fast

216.160

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

160 mA

End Cap

5.76 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

Bulk; Tape And Reel

0.205 in (5.2 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; SEMKO; UL

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.