500 A Fuses 61

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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

LA070URD30KI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

Tab/Blade

41 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

LA070URD30LI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

Tab/Blade

41 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

LA070URD30TTI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

End Cap

41 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

LA070URD31KI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

Tab/Blade

37 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

LA070URD31LI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

Tab/Blade

37 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

LA070URD31TTI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

End Cap

37 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

LA070URD32KI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

Tab/Blade

28 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

LA070URD32LI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

Tab/Blade

28 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

LA070URD32TTI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

End Cap

28 J

200 kA

2.374 in (60.3 mm)

2.374 in (60.3 mm)

Indicator

2.374 x 2.374 x 1.929 in (60.3 x 60.3 x 49 mm)

1.929 in (49 mm)

UL

Very Fast

LA070URD33KI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

Tab/Blade

19 J

200 kA

2.933 in (74.5 mm)

2.933 in (74.5 mm)

Indicator

2.933 x 2.933 x 1.874 in (74.5 x 74.5 x 47.6 mm)

1.874 in (47.6 mm)

UL

Very Fast

LA070URD33LI0500

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 A

Tab/Blade

19 J

200 kA

2.933 in (74.5 mm)

2.933 in (74.5 mm)

Indicator

2.933 x 2.933 x 1.874 in (74.5 x 74.5 x 47.6 mm)

1.874 in (47.6 mm)

UL

Very Fast

LA100P500-4TI

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

500 A

Tab/Blade

450 J

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

2.5 in (63.5 mm)

Indicator

2.5 x 3.469 in (63.5 x 88.1 mm)

3.469 in (88.1 mm)

UL

Very Fast

LA100P500-4

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

500 A

Tab/Blade

450 J

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

2.5 in (63.5 mm)

2.5 x 3.469 in (63.5 x 88.1 mm)

3.469 in (88.1 mm)

UL

Very Fast

LA120URD71LLI0500

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

500 A

Tab/Blade

68 J

100 kA

2.008 in (51 mm)

2.008 in (51 mm)

Indicator

2.008 x 2.008 x 2.854 in (51 x 51 x 72.5 mm)

2.854 in (72.5 mm)

UL

Very Fast

LA120URD71TTI0500

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

500 A

End Cap

68 J

100 kA

LA

Indicator

UL

Very Fast

LA130URD72LI0500

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

500 A

Tab/Blade

57 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

LA130URD73LI0500

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

500 A

Tab/Blade

44 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

LA15QS500-4

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

500 A

Tab/Blade

90 J

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

1.5 in (38.1 mm)

1.5 x 1.252 in (38.1 x 31.8 mm)

1.252 in (31.8 mm)

UL

Very Fast

LA30QS500-4

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

500 A

Tab/Blade

160 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

LA50QS500-4

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

500 A

Tab/Blade

160 J

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

2 in (50.8 mm)

500 V

2 x 2.22 in (50.8 x 56.4 mm)

2.22 in (56.4 mm)

CSA; UL

Fast

LA70QS500-4K

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

500 A

Tab/Blade

160 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

LA70QS500-4

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

500 A

Tab/Blade

150 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

PSR030FL0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Threaded

31.429 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

PSR030FS0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Threaded

31.429 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)

CUL; UL

125 °C (257 °F)

Fast

PSR031FL0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Threaded

29.751 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

PSR031FS0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Threaded

29.751 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

PSR032FL0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Threaded

21.573 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

2.008 in (51 mm)

Indicator

3.736 in (94.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR032FS0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Threaded

21.573 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

2.008 in (51 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033FL0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Threaded

16.434 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

PSR033FS0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Threaded

16.434 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)

CUL; UL

125 °C (257 °F)

Fast

PSR072FL0500Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

500 A

Threaded

50.398 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

PSR072FS0500Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

500 A

Threaded

50.398 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

PSR073FL0500Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

500 A

Threaded

42.751 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.953 in (75 mm)

2.894 in (73.5 mm)

Indicator

4.268 in (108.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR073FS0500Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

500 A

Threaded

42.751 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.953 in (75 mm)

2.894 in (73.5 mm)

Indicator

4.268 in (108.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSX1XLDB0500X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

500 A

Tab/Blade

250.109 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

PSX1XLFL0500X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

500 A

Threaded

250.109 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

PSX1XLUB0500X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

500 A

Tab/Blade

250.109 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

PSR073UL0500X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

500 A

Tab/Blade

42.751 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)

CUL; UL

125 °C (257 °F)

Fast

PSR031UL0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Tab/Blade

29.751 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

PSR031US0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Tab/Blade

29.751 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

PSR032US0500X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Tab/Blade

21.573 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

PSR030UL0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Tab/Blade

31.429 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

PSR032UL0500X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Tab/Blade

21.573 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

PSR033UL0500X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Tab/Blade

16.434 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

PSR033US0500X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Tab/Blade

16.434 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

PSR072UL0500X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

500 A

Tab/Blade

50.398 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

PSR030US0500Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

500 A

Tab/Blade

31.429 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

PSR071UL0500Z

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

900 V

500 A

Tab/Blade

75.315 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 900 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

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.