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

0CCK040.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

40 A

Tab/Blade

10 kA

0.81 in (20.57 mm)

3.74 in (94.99 mm)

Time Delay

FLSR040

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

15NLE-40EL

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 A

End Cap

60 kA

15NLE-40E

3 in (76.2 mm)

3 x 23.874 in (76.2 x 606.4 mm)

23.874 in (606.4 mm)

8NLE-40ES

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

40 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 17.87 in (76.2 x 453.89 mm)

17.87 in (453.89 mm)

Medium

40E-1C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

40 A

End Cap

80 kA

40E-1C-2.75

3 in (76.2 mm)

3 x 10.874 in (76.2 x 276.2 mm)

10.874 in (276.2 mm)

156.5610.5401

Littelfuse

Electric Fuse

Inline/Holder

36 V

40 A

Tab/Blade

-40 °C (-40 °F)

625 A

1 m

Bulk

1.614 in (41 mm)

0.433 in (11 mm)

0.008 in (0.2 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

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)

0CBO040.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

10 kA

0.812 in (20.62 mm)

1.623 in (41.23 mm)

Fast

0498040.MXT

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

0498040.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

10 kJ

-40 °C (-40 °F)

Tin

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

e3

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

CCK040

Littelfuse

Electric Fuse

Inline/Holder

125 V

40 A

Tab/Blade

10 kA

0.81 in (20.57 mm)

0.75 x 3.629 in (19.05 x 92.18 mm)

3.74 in (94.99 mm)

Time Delay

0298040ZXH

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)

FLSR40ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

End Cap

200 kA

1.063 in (27 mm)

Indicator

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

PAL440BP

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Blister

0695040.PXPS

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

1.4 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.421 in (10.7 mm)

0.244 in (6.2 mm)

0.421 x 0.244 x 0.689 in (10.7 x 6.2 x 17.5 mm)

0.689 in (17.5 mm)

125 °C (257 °F)

995040

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

-40 °C (-40 °F)

1 kA

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)

Slow

CNN040

Littelfuse

Electric Fuse

Inline/Holder

125 V

48 V

40 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

2.43 in (61.72 mm)

UL

Very Fast

0498040.MXT-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

0314040.HXP

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

0257040LXN

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)

142.7010.5402

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

6.8 kJ

-40 °C (-40 °F)

Tin

1 kA

6800

0.63 in (16 mm)

0.472 in (12 mm)

e3

58 V

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

0.307 in (7.8 mm)

UL

125 °C (257 °F)

0899040.Z

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

9.4 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.638 in (16.2 mm)

0.256 in (6.5 mm)

0.394 in (10 mm)

125 °C (257 °F)

0695040.PXP

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

1.7 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.421 in (10.7 mm)

0.244 in (6.2 mm)

0.421 x 0.244 x 0.689 in (10.7 x 6.2 x 17.5 mm)

0.689 in (17.5 mm)

125 °C (257 °F)

0HEV040.ZXPY

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

1.531 in (38.9 mm)

CSA; UL

125 °C (257 °F)

FLSR040ID

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)

Indicator

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; QPL; UL

Time Delay

0895040T

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)

0298040.UXP-1M8

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

6.6 kJ

-40 °C (-40 °F)

Tin

2 kA

100 ms

1.15 in (29.2 mm)

0.75 in (19.05 mm)

e3

32 V

Mega

0.381 in (9.69 mm)

125 °C (257 °F)

Time Delay

156.5677.5402

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

11.2 kJ

-40 °C (-40 °F)

1 kA

10 ms

Bulk

1.654 in (42 mm)

0.472 in (12 mm)

1.654 x 0.472 x 0.016 in (42 x 12 x 0.4 mm)

0.016 in (0.4 mm)

125 °C (257 °F)

TLS-LB040

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

Tab/Blade

Silver

Rated Breaking Capacity at 170 VDC: 100000

0.563 in (14.3 mm)

e4

0.563 x 1.367 in (14.3 x 34.72 mm)

1.367 in (34.72 mm)

UL

LCZ40ES

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

40 A

End Cap

80 kA

LCZ

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 17.87 in (76.2 x 453.89 mm)

17.87 in (453.89 mm)

Medium

KLC40

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

Tab/Blade

200 kA

0.811 in (20.6 mm)

0.811 x 2.752 in (20.6 x 69.9 mm)

2.752 in (69.9 mm)

CSA; UL

Fast

0257040.U

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.31 kJ

-40 °C (-40 °F)

Silver

1 kA

150 ms

Bulk

0.752 in (19.1 mm)

0.201 in (5.1 mm)

e4

0.74 in (18.8 mm)

UL

105 °C (221 °F)

0257040.LXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.31 kJ

-40 °C (-40 °F)

Tin/Copper

1 kA

0257

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

e2

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)

RLS040

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

End Cap

10 kA

1.063 in (27 mm)

5.5 in (139.7 mm)

CE; CSA; UL

0495040ZXA

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

0895040.T

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)

0498040.M-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

10 kJ

-40 °C (-40 °F)

Tin

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

e3

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

0283040.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

-40 °C (-40 °F)

40 ms

1.874 in (47.6 mm)

0.593 in (15.05 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)

KLW40

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

40 A

End Cap

100 kA

KLW

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

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.