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

0298450ZXH

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)

0298450.ZXH

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

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

JJS-450

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

450 A

Tab/Blade

200 kA

3.984 in (101.2 mm)

3.984 x 1.78 in (101.2 x 45.2 mm)

1.78 in (45.2 mm)

CE; CSA; UL

Very Fast

FWH-450A

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

450 A

Tab/Blade

24.7 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

2 in (50.8 mm)

2 x 2.09 in (50.8 x 53.09 mm)

2.09 in (53.09 mm)

CE; CSA; UL

OT450

Mersen S A

Electric Fuse

Inline/Holder

250 V

250 V

450 A

Tab/Blade

50 kA

Rated Breaking Capacity at 250 VDC: 20000 A

2.598 in (66 mm)

2.598 x 5.906 in (66 x 150 mm)

5.906 in (150 mm)

CSA; UL

SPFJ450.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

450 A

Tab/Blade

565.333 kJ

200 kA

14 m

Rated Breaking Capacity at 1000 VDC: 20000 A

Bulk

2.5 in (63.5 mm)

Midget

2.5 x 3.752 in (63.5 x 95.3 mm)

3.752 in (95.3 mm)

CE; IEC; UL; VDE

FRN-R-450

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 V

450 A

Tab/Blade

200 kA

10 s

Rated Breaking Capacity at 250 VDC: 20000 A

Box

2.88 in (73.152 mm)

RK5

250 V

2.88 x 10.38 in (73.15 x 263.65 mm)

10.38 in (263.652 mm)

CE; CSA; UL

Time Delay

170M4494

Eaton Corporation

Electric Fuse

Inline/Holder

1.3 KV

450 A

End Cap

42 kJ

100 kA

2.913 in (74 mm)

2.087 in (53 mm)

Indicator

2.913 x 2.087 x 2.087 in (74 x 53 x 53 mm)

2.087 in (53 mm)

CE; IEC; UL

JJN-450

Eaton Corporation

Electric Fuse

Inline/Holder

300 V

160 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 160 VDC: 20000 A

Box

1.252 in (31.8 mm)

1.252 x 0.874 in (31.8 x 22.2 mm)

0.874 in (22.2 mm)

CE; CSA; UL

Very Fast

3NE3233

Siemens

Electric Fuse

Inline/Holder

1 KV

450 A

Tab/Blade

-20 °C (-4 °F)

100 kA

2.874 in (73 mm)

2.047 in (52 mm)

Indicator

2.874 x 2.047 x 2.047 in (73 x 52 x 52 mm)

2.047 in (52 mm)

CCC; CE; UL

50 °C (122 °F)

450MMT

Eaton Corporation

Electric Fuse

Inline/Holder

690 V

350 V

450 A

Tab/Blade

30 kJ

200 kA

Rated Breaking Capacity at 350 VDC: 200000 A

Box

3.268 in (83 mm)

3.268 x 1.969 in (83 x 50 mm)

1.969 in (50 mm)

BS 88; CE; IEC; UL

ECNR450

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

250 V

450 A

Tab/Blade

200 kA

Bulk

2.88 in (73.152 mm)

10.38 in (263.652 mm)

CE; CSA; UL

Time Delay

FWP-450A

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

700 V

450 A

Tab/Blade

36.4 kJ

50 kA

Box

2.5 in (63.5 mm)

2.5 x 2.84 in (63.5 x 72.14 mm)

2.84 in (72.136 mm)

CE; CSA; UL

JTD450

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

L50QS450.X

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

450 A

Tab/Blade

26.425 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Bulk

2 in (50.8 mm)

10 ms

2.218 in (56.34 mm)

CE; CUL; UL

125 °C (257 °F)

Very Fast

170M4463

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

450 A

Tab/Blade

17 kJ

200 kA

Box

2.087 in (53 mm)

2.087 in (53 mm)

Indicator

2.087 x 2.087 x 1.969 in (53 x 53 x 50 mm)

1.969 in (50 mm)

CE; IEC; UL

170M4694

Eaton Corporation

Electric Fuse

Inline/Holder

1.3 KV

1.3 KV

450 A

Tab/Blade

42 kJ

100 kA

Rated Breaking Capacity at 1300 VDC: 100000 A

Box

6.299 in (160 mm)

2.087 in (53 mm)

Indicator

6.299 x 2.087 x 2.087 in (160 x 53 x 53 mm)

2.087 in (53 mm)

CE; IEC; UL

PSX1XLFL0450X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

450 A

Threaded

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

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

0298450.ZXEH

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

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

0298450.ZXA

Littelfuse

Electric Fuse

Inline/Holder

32 V

450 A

Tab/Blade

1.05 MJ

-40 °C (-40 °F)

Silver

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

e4

32 V

Mega

0.421 in (10.7 mm)

125 °C (257 °F)

Time Delay

PSR033FL0450H

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

KLA450

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

450 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

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

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

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

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.