450 A Fuses 242

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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

5NLE2-450ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 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

5NLE2450E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

80 kA

10 m

6.382 in (162.1 mm)

Striker

6.38 x 17.875 in (162.05 x 454.03 mm)

17.875 in (454.03 mm)

Medium

PSR031FS0450Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Threaded

22.457 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

PSR071UL0450Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

450 A

Tab/Blade

55.915 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.028 in (51.5 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

LDC450

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

450 A

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

2.5 in (63.5 mm)

3.752 in (95.3 mm)

CE, UL

Fast

JLLS450

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.063 in (52.4 mm)

2.063 x 1.764 in (52.4 x 44.8 mm)

1.764 in (44.8 mm)

CSA; UL

Fast

L25S450

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 250 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)

CE; CSA; UL

Very Fast

PSR030FL0450Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Threaded

23.133 kJ

-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

0998450.UX-2M8

Littelfuse

Electric Fuse

Inline/Holder

70 V

450 A

Tab/Blade

1.224 MJ

-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)

LA130URD72LI0450

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

450 A

Tab/Blade

44 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

LCK24RW

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

End Cap

1.95 kA

LCK

Part Number With Hookeye Attachment

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

LCY450ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

80 kA

LCY

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

LCK24R

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

End Cap

1.95 kA

LCK

Rated Breaking Capacity=1950A-80000A

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

0898450.U-2M6

Littelfuse

Electric Fuse

Inline/Holder

70 V

450 A

Tab/Blade

1.224 MJ

-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

0298450.UX1M8

Littelfuse

Electric Fuse

Inline/Holder

32 V

450 A

Tab/Blade

1.05 MJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

32 V

Mega

0.421 in (10.7 mm)

125 °C (257 °F)

Time Delay

0998450.UX-2M6

Littelfuse

Electric Fuse

Inline/Holder

70 V

450 A

Tab/Blade

1.224 MJ

-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)

LA070URD30KI0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

450 A

Tab/Blade

26 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

0298450.ZXB

Littelfuse

Electric Fuse

Inline/Holder

32 V

450 A

Tab/Blade

1.05 MJ

-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

LA15QS450-4IL

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

450 A

Tab/Blade

50 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

JLLN450P

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

1.594 in (40.5 mm)

3.063 in (77.8 mm)

CE; CSA; CUL; UL

Fast

EV1K450

Littelfuse

Electric Fuse

Inline/Holder

1 KV

450 A

Tab/Blade

-40 °C (-40 °F)

30 kA

Bulk

2 in (50.8 mm)

2.844 in (72.24 mm)

125 °C (257 °F)

EV1K450.ZXBD

Littelfuse

Electric Fuse

Inline/Holder

1 KV

450 A

Tab/Blade

-40 °C (-40 °F)

30 kA

Bulk

2 in (50.8 mm)

2.844 in (72.24 mm)

125 °C (257 °F)

0JTD450.XXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

2.5 in (63.5 mm)

Indicator

3.752 in (95.3 mm)

CSA; UL

Time Delay

PSR030UL0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

23.133 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

1.929 in (49 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR031UL0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

22.457 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033UL0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

13.6 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR072UL0450

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

450 A

Tab/Blade

35.927 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

2.598 in (66 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825327

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

450 A

Tab/Blade

29.834 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.921 in (74.2 mm)

2.894 in (73.5 mm)

Indicator

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033US0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

13.6 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825273

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

15.535 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

2.598 in (66 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR073UL0450

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

450 A

Tab/Blade

29.834 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.921 in (74.2 mm)

2.894 in (73.5 mm)

Indicator

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825222

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

15.535 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

2.598 in (66 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825266

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

22.457 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825314

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

450 A

Tab/Blade

55.915 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.028 in (51.5 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825320

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

450 A

Tab/Blade

35.927 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

2.598 in (66 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR032US0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

15.535 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

2.598 in (66 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR031US0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

22.457 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR071UL0450

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

450 A

Tab/Blade

55.915 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.028 in (51.5 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

0JTD450.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

2.5 in (63.5 mm)

3.752 in (95.3 mm)

CSA; UL

Time Delay

07945825282

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

13.6 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825215

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

22.457 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825207

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

23.133 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

1.929 in (49 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825258

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

23.133 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

1.929 in (49 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR032UL0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Tab/Blade

15.535 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

2.598 in (66 mm)

CUL; UL

125 °C (257 °F)

Fast

FLNR450.X

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

2.543 in (64.6 mm)

10.374 in (263.5 mm)

CSA; UL

Time Delay

FLSR450.XXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

3.043 in (77.3 mm)

Indicator

13.374 in (339.7 mm)

CSA; UL

Time Delay

FLNR450.XXID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

2.543 in (64.6 mm)

Indicator

10.374 in (263.5 mm)

CSA; UL

Time Delay

KLNR0450

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

2.594 in (65.9 mm)

10.374 in (263.5 mm)

CE; CSA; 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.