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

JLLN040

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)

0.563 x 0.874 in (14.3 x 22.2 mm)

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

0298040.UXP-2M8

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

40E-1C-15.5L

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 A

End Cap

60 kA

40E-1C-15.5

3 in (76.2 mm)

3 x 18.874 in (76.2 x 479.4 mm)

18.874 in (479.4 mm)

156.5611.5401

Littelfuse

Electric Fuse

Inline/Holder

36 V

40 A

Tab/Blade

-40 °C (-40 °F)

375 A

1 m

Bulk

0.709 in (18 mm)

0.551 in (14 mm)

0.256 in (6.5 mm)

125 °C (257 °F)

LCU40E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 A

End Cap

80 kA

LCU

3 in (76.2 mm)

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

1652400100

Littelfuse

Electric Fuse

Inline/Holder

58 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)

CUL; UL

85 °C (185 °F)

Time Lag

0283040.MXJ

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)

LA70QS40-22FI

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

TLN040

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 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

UL

Fast

153.7010.5401

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

6.8 kJ

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

LCZ40E

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

40 A

End Cap

80 kA

LCZ

3 in (76.2 mm)

3 x 17.87 in (76.2 x 453.89 mm)

17.87 in (453.89 mm)

Medium

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)

LA15QS40-1

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

40 A

End Cap

280 mJ

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

0.811 in (20.6 mm)

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

UL

Very Fast

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)

0298040ZXEH

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)

153.5631.5401

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

6.8 kJ

-40 °C (-40 °F)

Tin

2 kA

100 ms

6800

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)

0.307 in (7.8 mm)

CUL; ISO; UL

125 °C (257 °F)

NLS040

Littelfuse

Electric Fuse

Inline/Holder

600 V

400 V

40 A

End Cap

50 kA

Rated Breaking Capacity at 400 VDC; 20000

1.063 in (27 mm)

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

LVSP0040T

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

Tab/Blade

20.55 kJ

200 kA

0.816 in (20.73 mm)

2.25 in (57.15 mm)

UL

TLS-LS040

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

End Cap

Silver

Rated Breaking Capacity at 170 VDC: 100000

0.562 in (14.27 mm)

e4

0.562 x 0.944 in (14.27 x 23.98 mm)

0.944 in (23.98 mm)

UL

LGD040

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

40 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

L15S040

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

40 A

End Cap

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 150 VDC: 20000 A

0.406 in (10.3 mm)

2 in (50.8 mm)

CSA; UL

125 °C (257 °F)

Very Fast

CCL040

Littelfuse

Electric Fuse

Inline/Holder

125 V

40 A

Tab/Blade

10 kA

0.56 in (14.22 mm)

0.51 x 2.454 in (12.95 x 62.33 mm)

3.07 in (77.98 mm)

Time Delay

L70S040

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)

2.874 in (73 mm)

CE; CSA; UL

Very Fast

0298040.ZXEH

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

0495040.ZXA

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

TLS040

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

End Cap

Silver

Rated Breaking Capacity at 170 VDC: 100000

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)

UL

LCN40ES

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 A

End Cap

60 kA

LCN

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

SMD1206P012TS/TF

Littelfuse

Electric Fuse

Surface Mount

30 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)

0.057 in (1.45 mm)

CSA; CUL; TUV; UL

85 °C (185 °F)

2CO040

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

40 A

Tab/Blade

200 kA

2CO

Rated Breaking Capacity at 250 VDC: 80000 A

1.024 in (26 mm)

1.024 x 2.244 in (26 x 57 mm)

2.244 in (57 mm)

CSA

162.6185.5402

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

CBO040

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

10 kA

0.812 in (20.62 mm)

0.812 x 1.625 in (20.62 x 41.28 mm)

1.623 in (41.23 mm)

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.