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

0PAL340.XPA

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Blister

0PAL440.X

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Bulk

0PAL440.XP

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Blister

0KLC040.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

40 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

0.811 in (20.6 mm)

2.752 in (69.9 mm)

CSA; UL

125 °C (257 °F)

Very Fast

L70QS040

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

1 in (25.4 mm)

2.875 in (73.03 mm)

CUL; UL

125 °C (257 °F)

Very Fast

0PAL240.X

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Bulk

0PAL040.XP

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Blister

0PAL240.XP

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Blister

0PAL240.XPA

Littelfuse

Electric Fuse

Inline/Holder

40 A

Tab/Blade

Blister

0RLN040.T

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

LLSRK040.TXID

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

5.5 in (139.7 mm)

CE; CSA; UL; QPL

Time Delay

PSR030DL0040Z

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)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR030DS0040Z

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)

CCC; CUL; UL

125 °C (257 °F)

Fast

0TLS040.TXLR

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0TLS040.TXMB

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0TLS040.ZXMB

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0TLS040.TXL

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

3298040.H

Littelfuse

Electric Fuse

Surface Mount

32 V

40 A

Wraparound

5 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.181 in (30 mm)

1.047 in (26.6 mm)

Mega

0.63 in (16 mm)

125 °C (257 °F)

LA70QS40-4

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

40 A

Tab/Blade

580 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

1 in (25.4 mm)

1 x 2.874 in (25.4 x 73 mm)

2.874 in (73 mm)

CSA; UL

Fast

L50S040

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)

1.626 in (41.3 mm)

CE; CSA; UL

Very Fast

169.6885.5402

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

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

0293040.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 1.205 in (23 x 16.4 x 30.6 mm)

1.205 in (30.6 mm)

125 °C (257 °F)

0TLS040.ZXLSE

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0TLS040.ZXLR

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0TLS040.T

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

End Cap

100 kA

Bulk

0.563 in (14.3 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

0TLS040.SLSA

Littelfuse

Electric Fuse

Inline/Holder

170 V

40 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

156.5610.5402

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)

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

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)

0498040

Littelfuse

Electric Fuse

Inline/Holder

32 V

40 A

Tab/Blade

-40 °C (-40 °F)

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

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)

JLLN040.TXP

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

0HEV040.ZXC

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)

40E-1C-15.5S

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

40 A

End Cap

80 kA

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

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.