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

0RLN450.T

Littelfuse

Electric Fuse

Inline/Holder

250 V

450 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

10.374 in (263.5 mm)

CE; CSA; UL

0KLC450.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

450 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

2.5 in (63.5 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0RLS450.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

450 A

Tab/Blade

10 kA

3.094 in (78.6 mm)

13.374 in (339.7 mm)

CE; CSA; UL

L70QS450

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

450 A

Tab/Blade

38.946 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 700 VDC: 50000 A

2 in (50.8 mm)

2.844 in (72.24 mm)

CUL; UL

125 °C (257 °F)

Very Fast

L15S450.T

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

450 A

Tab/Blade

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 100 VDC: 20000 A

Box

1 in (25.4 mm)

1.157 in (29.4 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLSR0450

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3.094 in (78.6 mm)

13.374 in (339.7 mm)

CE; CSA; UL

Fast

LLSRK450.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3.094 in (78.6 mm)

Indicator

13.374 in (339.7 mm)

CE; CSA; UL; QPL

Time Delay

LLNRK450.V

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; QPL

Time Delay

PSR031DL0450Z

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

3.402 in (86.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR030DL0450Z

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

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR072DL0450X

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

3.736 in (94.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR073DL0450X

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

4.268 in (108.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR071DL0450Z

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)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR033DL0450X

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

4.268 in (108.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR032DS0450X

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

3.736 in (94.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR030DS0450Z

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

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR032DL0450X

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

3.736 in (94.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR033DS0450X

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

4.268 in (108.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR031DS0450Z

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

3.402 in (86.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR072FS0450Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

450 A

Threaded

35.927 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)

CUL; UL

125 °C (257 °F)

Fast

PSR031UL0450Z

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

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

L13S450

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

450 A

Tab/Blade

100 kA

L13S

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

LLNRK450

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)

2.594 x 10.374 in (65.9 x 263.5 mm)

10.374 in (263.5 mm)

CSA; UL

Time Delay

KLPC450

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 480 VDC: 20000 A

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

0298450.UXP-2M6

Littelfuse

Electric Fuse

Inline/Holder

32 V

450 A

Tab/Blade

1.324 MJ

-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

450E-2C-5.5S

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 15.875 in (162.05 x 403.23 mm)

15.875 in (403.23 mm)

Medium

KLNR450

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

450 A

Tab/Blade

200 kA

KLNR

Rated Breaking Capacity at 125 VDC: 20000 A

2.594 in (65.9 mm)

10.374 in (263.5 mm)

CSA; UL

Fast

07945825231

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

PSR030US0450

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

L17T450.V

Littelfuse

Electric Fuse

Inline/Holder

170 V

450 A

Tab/Blade

100 kA

Bulk

1.5 in (38.1 mm)

1.252 in (31.8 mm)

CSA; UL

LA070URD31TTI0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

450 A

End Cap

26.5 J

200 kA

2 in (50.8 mm)

2 in (50.8 mm)

Indicator

2 x 2 x 1.929 in (50.8 x 50.8 x 49 mm)

1.929 in (49 mm)

UL

Very Fast

TLN450

Littelfuse

Electric Fuse

Inline/Holder

170 V

450 A

Tab/Blade

Rated Breaking Capacity at 170 VDC: 100000 A

2.594 in (65.9 mm)

2.594 x 5.63 in (65.9 x 143 mm)

5.63 in (143 mm)

UL

Fast

0888450.U-2M6

Littelfuse

Electric Fuse

Inline/Holder

120 V

450 A

Tab/Blade

1.579 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)

LA70QS450-4

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

450 A

Tab/Blade

125 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

2 in (50.8 mm)

2 x 2.843 in (50.8 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

Fast

PSR072FL0450Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

450 A

Threaded

35.927 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

450-24R-2C-5.5XW

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

1.95 kA

Part Number With Hookeye Attachment

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

KLH450

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

450 A

Tab/Blade

200 kA

KLH

Rated Breaking Capacity at 450 VDC: 20000 A

2 in (50.8 mm)

2 x 2.22 in (50.8 x 56.4 mm)

2.22 in (56.4 mm)

CSA; UL

Fast

0898450.U-2M8

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

LA070URD32LI0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

450 A

Tab/Blade

22 J

200 kA

2.362 in (60 mm)

2.362 in (60 mm)

Indicator

2.362 x 2.362 x 1.874 in (60 x 60 x 47.6 mm)

1.874 in (47.6 mm)

UL

Very Fast

0998450.UX-NH

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)

450-24R-2B-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

Tab/Blade

1.95 kA

Rated Breaking Capacity=1950A-80000A

7.4 in (187.96 mm)

Indicator

7.4 x 13 in (187.96 x 330.2 mm)

13 in (330.2 mm)

Medium

0298450ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

450 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)

PSR033FS0450H

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

450 A

Threaded

13.6 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.008 in (51 mm)

2.894 in (73.5 mm)

Indicator

3.13 in (79.5 mm)

CCC; CE; CUL; UL; IEC

125 °C (257 °F)

Fast

L60S450

Littelfuse

Electric Fuse

Inline/Holder

600 V

450 A

Tab/Blade

-55 °C (-67 °F)

200 kA

2.079 in (52.8 mm)

2.079 x 2.874 in (52.8 x 73 mm)

2.874 in (73 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0LDC450.X

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)

L

600 V

2.5 x 3.752 in (63.5 x 95.3 mm)

3.752 in (95.3 mm)

CE, UL

Fast

450-24R-2B-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

Tab/Blade

1.95 kA

Rated Breaking Capacity=1950A-80000A

7.4 in (187.96 mm)

Indicator

7.4 x 18 in (187.96 x 457.2 mm)

18 in (457.2 mm)

Medium

FLNR450ID

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)

Indicator

2.594 x 10.374 in (65.9 x 263.5 mm)

10.374 in (263.5 mm)

CSA; QPL; UL

Time Delay

LA070URD32KI0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

450 A

Tab/Blade

22 J

200 kA

2.362 in (60 mm)

2.362 in (60 mm)

Indicator

2.362 x 2.362 x 1.874 in (60 x 60 x 47.6 mm)

1.874 in (47.6 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.