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

CCMR040

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.85 in (21.6 mm)

0.85 x 1.882 in (21.6 x 47.8 mm)

1.882 in (47.8 mm)

CE; CSA; UL

Time Delay

0495040TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.65 kJ

-40 °C (-40 °F)

1 kA

495

Bulk

0.555 in (14.1 mm)

0.476 in (12.1 mm)

0.555 x 0.476 x 1.063 in (14.1 x 12.1 x 27 mm)

1.063 in (27 mm)

125 °C (257 °F)

40E-1C-25.8L

Littelfuse

Electric Fuse

Inline/Holder

25.8 KV

40 A

End Cap

40 kA

40E-1C-25.8

3 in (76.2 mm)

3 x 24.626 in (76.2 x 625.5 mm)

24.626 in (625.5 mm)

0498040.MX1M5

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

0299040.ZXT

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

8.5 kJ

-40 °C (-40 °F)

Silver

1 kA

40 ms

8450

Bulk

1.15 in (29.2 mm)

0.346 in (8.8 mm)

e4

32 V

1.15 x 0.348 x 0.85 in (29.21 x 8.85 x 21.59 mm)

0.85 in (21.6 mm)

UL

125 °C (257 °F)

Time Delay

581040

Littelfuse

Electric Fuse

Inline/Holder

48 V

48 V

40 A

Tab/Blade

2.5 kA

1.535 in (39 mm)

1.195 in (30.35 mm)

1.535 x 1.195 x 0.683 in (39 x 30.35 x 17.35 mm)

0.683 in (17.35 mm)

UL

Fast

PAL440

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Bulk

LA100P40-4

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

40 A

Tab/Blade

2.9 J

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

1 in (25.4 mm)

1 x 6.811 in (25.4 x 173 mm)

6.811 in (173 mm)

UL

Very Fast

LA60Q40-2

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

40 A

End Cap

1.8 kJ

200 kA

Rated Breaking Capacity at 600 VDC: 100000 A

0.406 in (10.32 mm)

0.406 x 1.5 in (10.32 x 38.1 mm)

1.5 in (38.1 mm)

UL

Very Fast

LA70QS40-14FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

40 A

End Cap

700 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

CSA; UL

Very Fast

JTD040

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)

2.374 in (60.3 mm)

CSA; UL

Time Delay

NH00CM40

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

40 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.02 in (51.3 mm)

0.787 in (20 mm)

Indicator

2.02 x 0.787 x 2.126 in (51.3 x 20 x 54 mm)

2.126 in (54 mm)

VDE

L70QS040.V

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

40 A

Tab/Blade

153 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 700 VDC: 50000 A

Box

1 in (25.4 mm)

2.875 in (73.03 mm)

CUL; UL

125 °C (257 °F)

Very Fast

0324040.HXP

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

LA70QS40-14F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

40 A

End Cap

700 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

CSA; UL

Very Fast

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

40E-1C-8.25S

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 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

0495040.Z

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

0298040.ZXH

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

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

0.39 in (9.9 mm)

125 °C (257 °F)

Time Delay

L60S040

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

Tab/Blade

-55 °C (-67 °F)

200 kA

0.811 in (20.6 mm)

2.78 in (70.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0257040.PXPV

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.31 kJ

-40 °C (-40 °F)

Tin/Copper

1 kA

4 d 4 h

3310

Bulk

0.75 in (19.05 mm)

0.2 in (5.08 mm)

ATO

e2

32 V

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)

Fast

0298040.UXP-NH

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

0287040.U

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

0.74 in (18.8 mm)

CSA; UL

125 °C (257 °F)

JLLN40

Littelfuse

Electric Fuse

Inline/Holder

300 V

40 A

End Cap

200 kA

0.563 in (14.3 mm)

T

300 V

0.874 in (22.2 mm)

CSA; UL

Fast

257040

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.31 kJ

257

Rated Breaking Capacity at 32 VDC: 1000 A, Joule Integral Nom at 32 VDC: 3310

0.75 in (19.05 mm)

0.2 in (5.08 mm)

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

Fast

TLS040LB

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

40E1C15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 18.875 in (76.2 x 479.43 mm)

18.875 in (479.43 mm)

Medium

142.6185.5406

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

TLS-L040

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 1.74 in (14.3 x 44.196 mm)

1.74 in (44.196 mm)

UL

TLS040LS

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

0CNL040.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

40 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

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.