450 A Fuses 242

Reset All
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

PSR032UL0450X

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)

CUL; UL

125 °C (257 °F)

Fast

0888450.U-1M8

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)

PSX3XLFL0450X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

450 A

Threaded

57.143 kJ

-55 °C (-67 °F)

250 kA

Bulk

5.043 in (128.1 mm)

2.894 in (73.5 mm)

Indicator

2.894 in (73.5 mm)

CUL; UL

125 °C (257 °F)

Fast

0898450.U-1M6

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

450-24R-2C-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

End Cap

1.95 kA

15 s

6.382 in (162.1 mm)

Striker

6.38 x 10.875 in (162.05 x 276.23 mm)

10.874 in (276.2 mm)

40 °C (104 °F)

Medium

450-24R-2BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

Tab/Blade

1.95 kA

Rated Breaking Capacity=1950A-80000A

7.6 in (193.04 mm)

Indicator

7.6 x 18 in (193.04 x 457.2 mm)

18 in (457.2 mm)

Medium

LA070URD30TTI0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

450 A

End Cap

26 J

200 kA

1.575 in (40 mm)

1.575 in (40 mm)

Indicator

1.575 x 1.575 x 1.929 in (40 x 40 x 49 mm)

1.929 in (49 mm)

UL

Very Fast

L70QS450.X

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

Box

2 in (50.8 mm)

2.844 in (72.24 mm)

CUL; UL

125 °C (257 °F)

Very Fast

0898450.U-1M8

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

LCL24R

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

1.95 kA

LCL

Rated Breaking Capacity=1950A-80000A

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

LLSRK450

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)

3.094 x 13.374 in (78.6 x 339.7 mm)

13.374 in (339.7 mm)

CSA; UL

Time Delay

450-24R-2IB-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

Tab/Blade

1.95 kA

Rated Breaking Capacity=1950A-80000A

18 in (457.2 mm)

Indicator

18 x 18 in (457.2 x 457.2 mm)

18 in (457.2 mm)

Medium

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

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

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

LCL24RW

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

1.95 kA

LCL

Part Number With Hookeye Attachment

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

450-24R-2C-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

1.95 kA

15 s

6.382 in (162.1 mm)

Striker

6.38 x 15.875 in (162.05 x 403.23 mm)

15.874 in (403.2 mm)

40 °C (104 °F)

Medium

450E-2CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

Tab/Blade

80 kA

7.94 in (201.68 mm)

7.94 x 16.13 in (201.68 x 409.7 mm)

16.13 in (409.7 mm)

Medium

PSR033UL0450X

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)

CUL; UL

125 °C (257 °F)

Fast

PSX1XLUB0450X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

450 A

Tab/Blade

149.336 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

LA130URD73LI0450

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

450 A

Tab/Blade

35 J

100 kA

2.933 in (74.5 mm)

2.933 in (74.5 mm)

Indicator

2.933 x 2.933 x 2.854 in (74.5 x 74.5 x 72.5 mm)

2.854 in (72.5 mm)

UL

Very Fast

L60S450.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

450 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

2.079 in (52.8 mm)

2.874 in (73 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLPC0450

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

IDSR450ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

450 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

450-24R-2C-5.5X

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

1.95 kA

15 s

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)

40 °C (104 °F)

Medium

PSR033FL0450Z

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

2.894 in (73.5 mm)

2.008 in (51 mm)

Indicator

4.268 in (108.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

450-24R-2C-8.25

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

450 A

End Cap

1.91 kA

15 s

6.382 in (162.1 mm)

Striker

6.38 x 15.875 in (162.05 x 403.23 mm)

15.874 in (403.2 mm)

40 °C (104 °F)

Medium

LLNRK4.50

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

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

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

L70S450

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

2.5 in (63.5 mm)

Supplemental

700 V

2.5 x 2.843 in (63.5 x 72.2 mm)

2.843 in (72.2 mm)

CE; CSA; UL

Very Fast

450-24R-2IB-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

Tab/Blade

1.95 kA

Rated Breaking Capacity=1950A-80000A

13 in (330.2 mm)

Indicator

13 x 13 in (330.2 x 330.2 mm)

13 in (330.2 mm)

Medium

LA70QS450-4K

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

LA30QS450-4

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

450 A

Tab/Blade

130 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 1.579 in (38.1 x 40.1 mm)

1.579 in (40.1 mm)

UL

Very Fast

450-24R-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

End Cap

1.95 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

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

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.