40 A Fuses 443

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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

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)

L13S40

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

40 A

End Cap

100 kA

L13S

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

0498040.MXM6

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)

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

0.315 in (8 mm)

UL

125 °C (257 °F)

Time Delay

999040

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

8.45 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

0498040.SXT

Littelfuse

Electric Fuse

40 A

Tab/Blade

-40 °C (-40 °F)

Tin

1 kA

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)

0.315 in (8 mm)

UL

125 °C (257 °F)

Time Lag

SMD0805P050TS

Littelfuse

Electric Fuse

40 A

-40 °C (-40 °F)

Tape And Reel

0.087 in (2.2 mm)

0.059 in (1.5 mm)

6 V

500 mΩ

0.087 x 0.059 x 0.049 in (2.2 x 1.5 x 1.25 mm)

0.049 in (1.25 mm)

CSA, UL

85 °C (185 °F)

40E-1C-38.0L

Littelfuse

Electric Fuse

Inline/Holder

38 KV

40 A

End Cap

20 kA

40E-1C-38.0

3 in (76.2 mm)

3 x 30.622 in (76.2 x 777.8 mm)

30.622 in (777.8 mm)

498040

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

-40 °C (-40 °F)

1 kA

0.63 in (16 mm)

0.472 in (12 mm)

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

0.315 in (8 mm)

UL

125 °C (257 °F)

RLN040

Littelfuse

Electric Fuse

Inline/Holder

250 V

40 A

End Cap

10 kA

0.811 in (20.6 mm)

3 in (76.2 mm)

CE; CSA; UL

1692400100

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

13 kJ

-40 °C (-40 °F)

1 kA

Bulk

1.173 in (29.8 mm)

0.358 in (9.1 mm)

40 ms

0.835 in (21.2 mm)

85 °C (185 °F)

Time Lag

0294040.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 0.996 in (23 x 16.4 x 25.3 mm)

0.996 in (25.3 mm)

125 °C (257 °F)

JTD040ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

Indicator

0.811 x 2.252 in (20.6 x 57.2 mm)

2.374 in (60.3 mm)

CSA; UL

Time Delay

0298040TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

-40 °C (-40 °F)

Silver

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

e4

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

0498040.MXTM6

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

0257040PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.31 kJ

-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)

0495040Z

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

40 A

Tab/Blade

3.65 kJ

-40 °C (-40 °F)

1 kA

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

FLNR40ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

40 A

End Cap

200 kA

0.811 in (20.6 mm)

Indicator

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

0324040.VXP

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; UL

125 °C (257 °F)

Fast

0688040.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

70 V

40 A

End Cap

7.8 kJ

-55 °C (-67 °F)

Tin

1.5 kA

2 m

Rated Breaking Capacity at 70 VDC: 2500 A

Bulk

0.248 in (6.3 mm)

e3

0.236 x 0.984 in (6 x 25 mm)

0.992 in (25.2 mm)

CUL; UL

125 °C (257 °F)

Time Delay

NLN040

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

40 A

End Cap

50 kA

Rated Breaking Capacity at 250 VDC; 20000

0.811 in (20.6 mm)

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

KLSR040

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

End Cap

200 kA

KLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

5.5 in (139.7 mm)

CSA; UL

Fast

KLNR040

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

40 A

End Cap

200 kA

KLNR

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

3 in (76.2 mm)

CSA; UL

Fast

0324040.MX24P

Littelfuse

Electric Fuse

Through Hole Mount

250 V

40 A

Pin Wire

22.925 kJ

-55 °C (-67 °F)

Tin

1 kA

22925

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, UL

125 °C (257 °F)

Fast

0298040.TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

-40 °C (-40 °F)

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

40E1C25.8

Littelfuse

Electric Fuse

Inline/Holder

25.8 KV

40 A

End Cap

40 kA

5 m

3 in (76.2 mm)

Striker

3 x 24.625 in (76.2 x 625.48 mm)

24.875 in (631.83 mm)

Medium

PAL240

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Bulk

0298040.UX1M8

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

8.7 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

Mega

0.39 in (9.9 mm)

125 °C (257 °F)

Time Delay

NH00M40

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

40 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

L25S40

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)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

TLN40

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

End Cap

Rated Breaking Capacity at 170 VDC: 100000 A

0.811 in (20.6 mm)

0.811 x 2.811 in (20.6 x 71.4 mm)

2.811 in (71.4 mm)

UL

Fast

40E1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

40 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 10.875 in (76.2 x 276.23 mm)

10.874 in (276.2 mm)

Medium

SMD1206P100TS/TF

Littelfuse

Electric Fuse

Surface Mount

6 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)

0.049 in (1.25 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

40E-1C-5.5L

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 A

End Cap

80 kA

40E-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)

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.