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

0214040LXN

Littelfuse

Electric Fuse

Inline/Holder

36 V

36 V

40 A

End Cap

0214

Bulk

0.236 in (6 mm)

Indicator

0.236 x 0.984 in (6 x 25 mm)

0.984 in (25 mm)

0TLS040.TXLB

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

170 V

0.563 x 0.877 in (14.3 x 22.27 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0495040.T

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

CY14X51M40

Littelfuse

Electric Fuse

Inline/Holder

500 V

40 A

End Cap

120 kA

0.551 in (14 mm)

500 V

0.551 x 2.008 in (14 x 51 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

IEC

Time Lag

FLNR040ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; QPL; UL

Time Delay

NH2CG40

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

40 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.402 in (61 mm)

1.575 in (40 mm)

Indicator

2.402 x 1.575 x 2.835 in (61 x 40 x 72 mm)

2.835 in (72 mm)

VDE

4998040.M-M6

Littelfuse

Electric Fuse

Inline/Holder

70 V

40 A

Tab/Blade

4.7 kJ

-40 °C (-40 °F)

2.5 kA

70 ms

0.63 in (16 mm)

0.496 in (12.6 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

15NLE40E

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 A

End Cap

60 kA

5 m

3 in (76.2 mm)

Striker

3 x 23.875 in (76.2 x 606.43 mm)

23.875 in (606.43 mm)

Medium

LA15QS40-4TI

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

40 A

End Cap

390 mJ

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

0.811 in (20.6 mm)

Indicator

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

UL

Very Fast

PAL040

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Bulk

NH0G40

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

40 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.1 in (53.34 mm)

1.181 in (30 mm)

Indicator

2.1 x 1.181 x 2.76 in (53.34 x 30 x 70.11 mm)

2.76 in (70.11 mm)

VDE

PSR030US0040Z

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

KLH40

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

40 A

Tab/Blade

200 kA

KLH

Rated Breaking Capacity at 450 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

0498040.MXM6-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)

0.63 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

0314040.MX52LP

Littelfuse

Electric Fuse

Inline/Holder

250 V

40 A

End Cap

22.925 kJ

-55 °C (-67 °F)

Nickel

1 kA

22925

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

CY14X51G40

Littelfuse

Electric Fuse

Inline/Holder

500 V

40 A

End Cap

120 kA

0.551 in (14 mm)

500 V

0.551 x 2.008 in (14 x 51 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

IEC

Fast

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)

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)

0295040.U

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)

0HEV040.ZXISO

Littelfuse

Electric Fuse

Inline/Holder

425 V

40 A

Tab/Blade

1.495 kJ

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

425 V

1.492 in (37.9 mm)

CSA; UL

125 °C (257 °F)

KLC040

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

Tab/Blade

-55 °C (-67 °F)

200 kA

0.811 in (20.6 mm)

2.752 in (69.9 mm)

CSA; UL

125 °C (257 °F)

Very Fast

IDSR040ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

40 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

CNN040E

Littelfuse

Electric Fuse

Inline/Holder

125 V

80 V

40 A

Tab/Blade

2.7 kA

3.181 in (80.8 mm)

3.18 in (80.77 mm)

CUL; UL

Very Fast

0314040.MX52LEP

Littelfuse

Electric Fuse

Inline/Holder

250 V

40 A

End Cap

22.925 kJ

-55 °C (-67 °F)

Nickel

1 kA

22925

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

LCU40ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 A

End Cap

80 kA

LCU

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

40E-1CL-15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 A

Tab/Blade

60 kA

4.75 in (120.65 mm)

4.75 x 18.1 in (120.65 x 459.74 mm)

18.1 in (459.74 mm)

Medium

0257040.L

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.31 kJ

-40 °C (-40 °F)

Tin

1 kA

150 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)

0995040Z

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

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)

40E1C8.25

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

40 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 15.875 in (76.2 x 403.23 mm)

15.874 in (403.2 mm)

Medium

LLNRK040

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

5NLE40E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

0287040.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.3 kJ

-40 °C (-40 °F)

Tin

1 kA

80 ms

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e3

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)

0498040.MX1M5-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)

0.63 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

169.6885.5401

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

12 kJ

169

Rated Breaking Capacity at 32 VDC: 1000 A

1.169 in (29.7 mm)

0.358 in (9.1 mm)

1.169 x 0.358 x 0.839 in (29.7 x 9.1 x 21.3 mm)

0.839 in (21.3 mm)

UL

15NLE-40ES

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 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

TLS040V

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 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

40E-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

40 A

End Cap

80 kA

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

0895040TXN

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

-40 °C (-40 °F)

1 kA

Bulk

0.571 in (14.5 mm)

0.472 in (12 mm)

0.571 x 0.472 x 0.63 in (14.5 x 12 x 16 mm)

0.63 in (16 mm)

125 °C (257 °F)

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.