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

PAL240BP

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Blister

PAL340

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Bulk

TLS040L

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

Tab/Blade

Silver

100 kA

Rated Breaking Capacity at 170 VDC: 100000 A

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

FLNR040

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

4998040.M-1M6

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)

LDN40E

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 A

End Cap

80 kA

LDN

3 in (76.2 mm)

3 x 18.875 in (76.2 x 479.43 mm)

18.875 in (479.43 mm)

Medium

0456040.ER

Littelfuse

Electric Fuse

Surface Mount

60 V

40 A

Wraparound

454 J

-55 °C (-67 °F)

Silver

600 A

4 h

454

Tape And Reel

0.492 in (12.5 mm)

0.175 in (4.45 mm)

e4

60 V

Nano

0.492 x 0.175 x 0.175 in (12.5 x 4.45 x 4.45 mm)

0.175 in (4.45 mm)

UL

125 °C (257 °F)

Very Fast

157.5701.5401

Littelfuse

Electric Fuse

Inline/Holder

48 V

40 A

Tab/Blade

-40 °C (-40 °F)

240 A

200 ms

Bulk

1.26 in (32 mm)

0.866 in (22 mm)

48 V

1.26 x 0.866 x 0.413 in (32 x 22 x 10.5 mm)

0.413 in (10.5 mm)

CUL; UL

125 °C (257 °F)

0298040.UXP-1M6

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

LGD40

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; IEC; UL

Time Delay

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

0.996 in (25.3 mm)

125 °C (257 °F)

0287040

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.31 kJ

-40 °C (-40 °F)

1 kA

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)

105 °C (221 °F)

NLKP040

Littelfuse

Electric Fuse

Inline/Holder

250 V

40 A

End Cap

10 kA

0.811 in (20.6 mm)

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

142.6185.5402

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

0695040.PXP-HT

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

2.5 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.421 in (10.7 mm)

0.244 in (6.2 mm)

0.689 in (17.5 mm)

125 °C (257 °F)

LDZ40ES

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

40 A

End Cap

80 kA

LDZ

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

LCY40E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 A

End Cap

80 kA

LCY

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

0498040.MX1M6

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

0299040.L

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

JLLS040

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.563 in (20.6 x 39.7 mm)

1.563 in (39.7 mm)

CSA; UL

Fast

0294040.MXJ-C

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

-40 °C (-40 °F)

40 ms

0.864 in (21.95 mm)

0.593 in (15.05 mm)

0.929 in (23.6 mm)

125 °C (257 °F)

157.5700.5401

Littelfuse

Electric Fuse

Inline/Holder

48 V

40 A

Tab/Blade

-40 °C (-40 °F)

240 A

200 ms

Bulk

3.228 in (82 mm)

0.787 in (20 mm)

0.024 in (0.6 mm)

125 °C (257 °F)

0283040.U

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)

142.6885.5402

Littelfuse

Electric Fuse

Inline/Holder

58 V

40 A

Tab/Blade

12 kJ

142

Rated Breaking Capacity at 58 VDC: 1000 A

Bulk

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)

DIN 72581-3; UL

298040

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

2 kA

Rated Breaking Capacity at 32 VDC: 2000 A

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)

Slow

40E1C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 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

LCX40E

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

40 A

End Cap

80 kA

LCX

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

PSR030FL0040Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

40 A

Threaded

76 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.969 in (50 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

0495040.U

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

0287040.L

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)

299040

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

8.45 kJ

Silver

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

1.15 in (29.21 mm)

0.348 in (8.85 mm)

e4

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

0.85 in (21.59 mm)

UL

Slow

IDSR040

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)

1 x 5.5 in (25.4 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

0495040.UXA

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

0HEV040.ZXPCB

Littelfuse

Electric Fuse

Through Hole Mount

425 V

40 A

Pin Wire

1.495 kJ

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

425 V

1.53 in (38.86 mm)

CSA; UL

125 °C (257 °F)

LLSRK040ID

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; UL

Time Delay

0498040.MX1M6-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

TLS-V040

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 1.26 in (14.3 x 32.004 mm)

1.26 in (32.004 mm)

UL

LVSP0040TX2

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

End Cap

20.55 kJ

200 kA

0.812 in (20.62 mm)

2.25 in (57.15 mm)

UL

LDN40ES

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 A

End Cap

80 kA

LDN

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 18.875 in (76.2 x 479.43 mm)

18.875 in (479.43 mm)

Medium

LCN40E

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 A

End Cap

60 kA

LCN

3 in (76.2 mm)

3 x 23.875 in (76.2 x 606.43 mm)

23.875 in (606.43 mm)

Medium

40E1C38.0

Littelfuse

Electric Fuse

Inline/Holder

38 KV

40 A

End Cap

20 kA

5 m

3 in (76.2 mm)

Striker

3 x 30.625 in (76.2 x 777.88 mm)

30.875 in (784.23 mm)

Medium

0298040.ZXA

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

0294040.MXJ

Littelfuse

Electric Fuse

40 A

-40 °C (-40 °F)

0.906 in (23 mm)

0.646 in (16.4 mm)

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)

L50S40

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

40 A

Tab/Blade

200 kA

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

1622400100

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

3.4 kJ

-40 °C (-40 °F)

1 kA

Bulk

0.748 in (19 mm)

0.197 in (5 mm)

20 ms

0.681 in (17.3 mm)

UL

85 °C (185 °F)

Very Fast

40E-1CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 A

Tab/Blade

80 kA

4.75 in (120.65 mm)

4.75 x 15.13 in (120.65 x 384.3 mm)

15.13 in (384.3 mm)

Medium

JLLN040.T

Littelfuse

Electric Fuse

Inline/Holder

300 V

160 V

40 A

End Cap

200 kA

Rated Breaking Capacity at 160 VDC: 20000 A

0.563 in (14.3 mm)

300 V

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

156.5677.5401

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)

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.