400 A Fuses 261

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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

PSR031FL0400Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

400 A

Threaded

14.77 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.969 in (50 mm)

Indicator

3.402 in (86.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

SPFJ400.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

400 A

Tab/Blade

400.5 kJ

200 kA

12 m

Rated Breaking Capacity at 1000 VDC: 20000 A

Bulk

2 in (50.8 mm)

Midget

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; IEC; UL; VDE

FLSR400ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

400 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

Indicator

2.594 x 11.626 in (65.9 x 295.3 mm)

11.626 in (295.3 mm)

CSA; QPL; UL

Time Delay

3998400.ZXM10

Littelfuse

Electric Fuse

Surface Mount

80 V

400 A

Wraparound

913.3 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.232 in (31.3 mm)

0.984 in (25 mm)

0.63 in (16 mm)

125 °C (257 °F)

KLH400

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

400 A

Tab/Blade

200 kA

KLH

Rated Breaking Capacity at 450 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 2.094 in (38.1 x 53.2 mm)

2.094 in (53.2 mm)

CSA; UL

Fast

PSR070FL0400Z

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

900 V

400 A

Threaded

37.103 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 900 VDC: 150000 A

Bulk

2.913 in (74 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

NLS400

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

400 A

Tab/Blade

1.51 MJ

50 kA

2.594 in (65.9 mm)

2.594 x 7.878 in (65.9 x 200.1 mm)

11.626 in (295.3 mm)

CE; CSA; UL

LA15QS400-4

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

400 A

Tab/Blade

40 J

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

1.13 in (28.7 mm)

1.13 x 1.161 in (28.7 x 29.5 mm)

1.161 in (29.5 mm)

UL

Very Fast

LDC0400

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

400 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 50000

2.5 in (63.5 mm)

2.5 x 3.752 in (63.5 x 95.3 mm)

3.752 in (95.3 mm)

CSA; UL

Time Delay

LA070URD30LI0400

Littelfuse

Electric Fuse

Inline/Holder

700 V

400 A

Tab/Blade

23 J

200 kA

1.575 in (40 mm)

1.575 in (40 mm)

Indicator

1.575 x 1.575 x 1.874 in (40 x 40 x 47.6 mm)

1.874 in (47.6 mm)

UL

Very Fast

KLNR400

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

400 A

Tab/Blade

200 kA

KLNR

Rated Breaking Capacity at 125 VDC: 20000 A

2.094 in (53.2 mm)

8.626 in (219.1 mm)

CSA; UL

Fast

PSX1XLDB0400X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

400 A

Tab/Blade

116.271 kJ

-55 °C (-67 °F)

250 kA

Bulk

4.988 in (126.7 mm)

2.028 in (51.5 mm)

Indicator

2.028 in (51.5 mm)

CUL; UL

125 °C (257 °F)

Fast

400E-2C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

400 A

End Cap

80 kA

Hermitically Sealed Part Number

6.38 in (162.05 mm)

6.38 x 15.875 in (162.05 x 403.23 mm)

15.875 in (403.23 mm)

Medium

RLS400

Littelfuse

Electric Fuse

Inline/Holder

600 V

400 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CE; CSA; UL

KLA400

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

400 A

Tab/Blade

100 kA

KLA

Rated Breaking Capacity at 100 VDC: 20000 A

1 in (25.4 mm)

1 x 1.157 in (25.4 x 29.4 mm)

1.157 in (29.4 mm)

CSA; UL

Fast

0298400ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 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)

0298400.UXP-2M6

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 A

Tab/Blade

844.4 kJ

-40 °C (-40 °F)

Tin

2 kA

1.15 in (29.2 mm)

0.75 in (19.05 mm)

e3

32 V

Mega

0.389 in (9.89 mm)

125 °C (257 °F)

Time Delay

NH3CG400

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

400 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.921 in (74.2 mm)

1.969 in (50 mm)

Indicator

2.921 x 1.969 x 2.835 in (74.2 x 50 x 72 mm)

2.835 in (72 mm)

VDE

0298400.UXP-2M8

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 A

Tab/Blade

844.4 kJ

-40 °C (-40 °F)

Tin

2 kA

1.15 in (29.2 mm)

0.75 in (19.05 mm)

e3

32 V

Mega

0.389 in (9.89 mm)

125 °C (257 °F)

Time Delay

0298400.UXT

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 A

Tab/Blade

610 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

Mega

0.421 in (10.7 mm)

125 °C (257 °F)

Time Delay

LA100P400-4

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

400 A

Tab/Blade

290 J

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

2 in (50.8 mm)

2 x 3.469 in (50.8 x 88.1 mm)

3.469 in (88.1 mm)

UL

Very Fast

PSR030US0400Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

400 A

Tab/Blade

16.209 kJ

-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)

CUL; UL

125 °C (257 °F)

Fast

400E-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

400 A

End Cap

80 kA

Hermitically Sealed Part Number

6.38 in (162.05 mm)

6.38 x 10.875 in (162.05 x 276.23 mm)

10.875 in (276.23 mm)

Medium

L17T400

Littelfuse

Electric Fuse

Inline/Holder

170 V

400 A

Tab/Blade

100 kA

Bulk

1.5 in (38.1 mm)

1.5 x 1.252 in (38.1 x 31.8 mm)

1.252 in (31.8 mm)

CSA; UL

0998400.UX-2M8

Littelfuse

Electric Fuse

Inline/Holder

70 V

400 A

Tab/Blade

872 kJ

-40 °C (-40 °F)

Tin

2.5 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

e3

70 V

Mega

0.39 in (9.9 mm)

ISO

125 °C (257 °F)

157.5700.6401

Littelfuse

Electric Fuse

Inline/Holder

48 V

400 A

Tab/Blade

-40 °C (-40 °F)

2.4 kA

200 ms

Bulk

3.228 in (82 mm)

0.787 in (20 mm)

0.031 in (0.8 mm)

125 °C (257 °F)

SPNH400.X3LDE

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

400 A

Tab/Blade

85 kJ

50 kA

Bulk

5.165 in (131.2 mm)

2.874 in (73 mm)

GPV

1.5 KV

NH

2.874 in (73 mm)

UL

0JLS400.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

400 A

Tab/Blade

200 kA

Bulk

2 in (50.8 mm)

J

600 V

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; CSA; QPL; UL

Fast

PSR031FS0400Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

400 A

Threaded

14.77 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.969 in (50 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR030UL0400Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

400 A

Tab/Blade

16.209 kJ

-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)

CUL; UL

125 °C (257 °F)

Fast

0298400.UXP-1M6

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 A

Tab/Blade

844.4 kJ

-40 °C (-40 °F)

Tin

2 kA

1.15 in (29.2 mm)

0.75 in (19.05 mm)

e3

32 V

Mega

0.389 in (9.89 mm)

125 °C (257 °F)

Time Delay

PSR072UL0400X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

400 A

Tab/Blade

27.112 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.362 in (60 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

5NLE2-400ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

400 A

End Cap

80 kA

Hermitically Sealed Part Number

6.38 in (162.05 mm)

6.38 x 17.875 in (162.05 x 454.03 mm)

17.875 in (454.03 mm)

Medium

0898400.U-1M8

Littelfuse

Electric Fuse

Inline/Holder

70 V

400 A

Tab/Blade

872 kJ

-40 °C (-40 °F)

2.5 kA

100 ms

1.15 in (29.2 mm)

0.748 in (19 mm)

Mega

0.39 in (9.9 mm)

125 °C (257 °F)

Time Delay

0998400.UX-2M6

Littelfuse

Electric Fuse

Inline/Holder

70 V

400 A

Tab/Blade

872 kJ

-40 °C (-40 °F)

Tin

2.5 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

e3

70 V

Mega

0.39 in (9.9 mm)

ISO

125 °C (257 °F)

LLSRK400

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

400 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

2.594 x 11.626 in (65.9 x 295.3 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

JLS400

Littelfuse

Electric Fuse

Inline/Holder

600 V

400 A

Tab/Blade

200 kA

Bulk

2 in (50.8 mm)

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; CSA; QPL; UL

Fast

PSR072FL0400Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

400 A

Threaded

27.112 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.953 in (75 mm)

2.362 in (60 mm)

Indicator

3.736 in (94.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

KLPC400.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

400 A

Tab/Blade

200 kA

8.626 in (219.1 mm)

L

600 V

8.626 x 3.752 in (219.1 x 95.3 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Lag

SPFJ400

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

400 A

Tab/Blade

400.5 kJ

200 kA

12 m

Rated Breaking Capacity at 1000 VDC: 20000 A

2 in (50.8 mm)

Midget

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; IEC; UL; VDE

NH3M400

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

400 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

3.307 in (84 mm)

2.83 in (71.88 mm)

Indicator

3.307 x 2.83 x 2.835 in (84 x 71.88 x 72 mm)

2.835 in (72 mm)

VDE

0298400.ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

400 A

Tab/Blade

610 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)

0.421 in (10.7 mm)

125 °C (257 °F)

Time Delay

LA070URD30KI0400

Littelfuse

Electric Fuse

Inline/Holder

700 V

400 A

Tab/Blade

23 J

200 kA

1.575 in (40 mm)

1.575 in (40 mm)

Indicator

1.575 x 1.575 x 1.874 in (40 x 40 x 47.6 mm)

1.874 in (47.6 mm)

UL

Very Fast

LA070URD31LI0400

Littelfuse

Electric Fuse

Inline/Holder

700 V

400 A

Tab/Blade

19 J

200 kA

2.008 in (51 mm)

2.008 in (51 mm)

Indicator

2.008 x 2.008 x 1.874 in (51 x 51 x 47.6 mm)

1.874 in (47.6 mm)

UL

Very Fast

3298400.ZXM10

Littelfuse

Electric Fuse

Panel Mount

32 V

400 A

Wraparound

913.3 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.232 in (31.3 mm)

0.984 in (25 mm)

0.63 in (16 mm)

125 °C (257 °F)

Time Delay

L25S400

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 V

400 A

Tab/Blade

200 kA

Rated Breaking Capacity at 200 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 1.594 in (38.1 x 40.5 mm)

1.594 in (40.5 mm)

CSA; UL

Fast

SPFR400

Littelfuse

Electric Fuse

Inline/Holder

1 KV

400 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

2.594 x 7.478 in (65.9 x 189.94 mm)

7.478 in (189.94 mm)

UL

Fast

LA130URD72TTI0400

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

400 A

End Cap

32 J

100 kA

2.362 in (60 mm)

2.362 in (60 mm)

Indicator

2.362 x 2.362 x 2.854 in (60 x 60 x 72.5 mm)

2.854 in (72.5 mm)

UL

Very 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.