40 A Fuses 443

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

0293040.H

Littelfuse

Electric Fuse

40 A

-40 °C (-40 °F)

Silver

0.906 in (23 mm)

0.646 in (16.4 mm)

e4

32 V

0.906 x 0.646 x 1.205 in (23 x 16.4 x 30.6 mm)

1.205 in (30.6 mm)

125 °C (257 °F)

0895040U

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

5.5 kJ

-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)

LA30QS40-4

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

40 A

Tab/Blade

1.2 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.72 in (18.3 mm)

0.72 x 1.63 in (18.3 x 41.4 mm)

1.63 in (41.4 mm)

UL

Very Fast

0214040K

Littelfuse

Electric Fuse

Inline/Holder

36 V

36 V

40 A

End Cap

Bulk

0.236 in (6 mm)

Indicator

0.236 x 0.984 in (6 x 25 mm)

0.984 in (25 mm)

142.6185.540.2

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

2 kJ

Tin

Rated Breaking Capacity at 58 VDC: 1000 A

0.748 in (19 mm)

0.197 in (5 mm)

e3

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

0.52 in (13.2 mm)

UL

IDSR040.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

1.063 in (27 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

0JLS040.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

End Cap

200 kA

1.063 in (27 mm)

J

600 V

1.063 x 2.374 in (27 x 60.3 mm)

2.374 in (60.3 mm)

CE; CSA; QPL; UL

Fast

PSR030UL0040Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

40 A

Tab/Blade

76 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.878 in (47.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

LVSP40

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

Tab/Blade

20.55 kJ

200 kA

0.816 in (20.73 mm)

0.816 x 2.25 in (20.73 x 57.15 mm)

2.25 in (57.15 mm)

UL

8NLE-15EL

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

40 A

End Cap

80 kA

8NLE-15E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

0495040T

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

3.65 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

162.6185.5406

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

2 kJ

Tin

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

Bulk

0.748 in (19 mm)

0.197 in (5 mm)

e3

0.748 x 0.197 x 0.52 in (19 x 5 x 13.2 mm)

0.52 in (13.2 mm)

UL

LA70QS40-22F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

40 A

End Cap

480 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.866 in (22 mm)

0.866 x 2.283 in (22 x 58 mm)

2.283 in (58 mm)

CSA; UL

Very Fast

L60S40

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

Tab/Blade

200 kA

0.811 in (20.6 mm)

Supplemental

600 V

0.811 x 2.78 in (20.6 x 70.6 mm)

2.78 in (70.6 mm)

CSA; UL

Fast

CNL040

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

40 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

2.43 in (61.72 mm)

UL

Fast

0TLS040.TXV

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

Tab/Blade

Silver

100 kA

Bulk

0.563 in (14.3 mm)

e4

170 V

0.563 x 0.877 in (14.3 x 22.27 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0295040.H

Littelfuse

Electric Fuse

40 A

-40 °C (-40 °F)

0.898 in (22.8 mm)

0.638 in (16.2 mm)

32 V

0.898 x 0.638 x 0.846 in (22.8 x 16.2 x 21.5 mm)

0.846 in (21.5 mm)

125 °C (257 °F)

PAL040BP

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Blister

5NLE-40EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 A

End Cap

80 kA

5NLE-40E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

40E-1C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 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

SMD1206P035TS/TF/15

Littelfuse

Electric Fuse

Surface Mount

15 V

40 A

Wraparound

-40 °C (-40 °F)

Tape And Reel, Blister, 7 inch

0.138 in (3.5 mm)

0.071 in (1.8 mm)

0.03 in (0.75 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

0314040.VXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

150 V

40 A

End Cap

22.925 kJ

-55 °C (-67 °F)

Nickel

1 kA

Rated Breaking Capacity at 150 VDC: 400 A

22925

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; UL

125 °C (257 °F)

Fast

LCX40ES

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

40 A

End Cap

80 kA

LCX

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

153.7010.5402

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

6.8 kJ

-40 °C (-40 °F)

Tin

2 kA

100 ms

6800

0.63 in (16 mm)

0.472 in (12 mm)

e3

32 V

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.307 in (7.8 mm)

CUL; ISO; UL

125 °C (257 °F)

153.5631.5402

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

6.8 kJ

-40 °C (-40 °F)

Tin

2 kA

100 ms

6800

0.63 in (16 mm)

0.472 in (12 mm)

e3

32 V

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.307 in (7.8 mm)

CUL; ISO; UL

125 °C (257 °F)

0495040U

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

3.65 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

L25S040

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

40 A

Tab/Blade

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

1.626 in (41.3 mm)

CE; CSA; UL

Very Fast

0495040.TXA

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.7 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

40E-1C-25.8S

Littelfuse

Electric Fuse

Inline/Holder

25.8 KV

40 A

End Cap

40 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 24.625 in (76.2 x 625.48 mm)

24.625 in (625.48 mm)

Medium

0CNN040.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

48 V

40 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

48 V

3.18 in (80.77 mm)

UL

Very Fast

0895040.U

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

5.5 kJ

-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)

40E-1C-38.0S

Littelfuse

Electric Fuse

Inline/Holder

38 KV

40 A

End Cap

20 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 30.625 in (76.2 x 777.88 mm)

30.625 in (777.88 mm)

Medium

40E-1C-8.25L

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

40 A

End Cap

80 kA

40E-1C-8.25

3 in (76.2 mm)

3 x 15.874 in (76.2 x 403.2 mm)

15.874 in (403.2 mm)

LCY40ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 A

End Cap

80 kA

LCY

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

0295040.MXJ

Littelfuse

Electric Fuse

40 A

-40 °C (-40 °F)

0.898 in (22.8 mm)

0.638 in (16.2 mm)

32 V

0.898 x 0.638 x 0.846 in (22.8 x 16.2 x 21.5 mm)

0.846 in (21.5 mm)

125 °C (257 °F)

KLA40

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

40 A

End Cap

100 kA

KLA

Rated Breaking Capacity at 150 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

JLS040

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

End Cap

200 kA

Bulk

1.063 in (27 mm)

1.063 x 2.374 in (27 x 60.3 mm)

2.374 in (60.3 mm)

CE; CSA; QPL; UL

Fast

LLSRK040

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

0293040.U

Littelfuse

Electric Fuse

40 A

-40 °C (-40 °F)

Silver

0.906 in (23 mm)

0.646 in (16.4 mm)

e4

32 V

0.906 x 0.646 x 1.205 in (23 x 16.4 x 30.6 mm)

1.205 in (30.6 mm)

125 °C (257 °F)

0495040TXA

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.7 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

KLB40

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

40 A

Tab/Blade

200 kA

KLB

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

L50QS040.T

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

40 A

Tab/Blade

137 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Bulk

1 in (25.4 mm)

10 ms

2.125 in (53.98 mm)

CE; CUL; UL

125 °C (257 °F)

Very Fast

LVSP40P

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

Tab/Blade

9.975 kJ

200 kA

1.631 in (41.43 mm)

1.631 x 1.3 in (41.43 x 33.02 mm)

1.3 in (33.02 mm)

UL

0CNN040E.V

Littelfuse

Electric Fuse

Inline/Holder

80 V

40 A

Tab/Blade

2.7 kA

3.181 in (80.8 mm)

80 V

3.18 in (80.77 mm)

CUL; UL

Very Fast

0324040.MXP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

150 V

40 A

Pin Wire

22.925 kJ

-55 °C (-67 °F)

Tin

1 kA

Rated Breaking Capacity at 150 VDC: 400 A

22925

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; CUL; UL

125 °C (257 °F)

Fast

L70S40

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

40 A

Tab/Blade

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

1 in (25.4 mm)

1 x 2.874 in (25.4 x 73 mm)

2.874 in (73 mm)

CSA; UL

Fast

0495040UXA

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.7 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

0498040.MXTM6-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

10 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

Time Delay

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.