700 V Fuses 896

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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

LA70QS50-4

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

50 A

Tab/Blade

880 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

1 in (25.4 mm)

1 x 2.874 in (25.4 x 73 mm)

2.874 in (73 mm)

CSA; UL

Fast

PSR033FL0550H

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

550 A

Threaded

23.314 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

PSR032FS0700Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Threaded

51.191 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

L70S090

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

90 A

Tab/Blade

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

1.22 in (31 mm)

2.874 in (73 mm)

CE; CSA; UL

Very Fast

LA070URD31KI0250

Littelfuse

Electric Fuse

Inline/Holder

700 V

250 A

Tab/Blade

4.7 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

L70S060

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

60 A

Tab/Blade

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

1 in (25.4 mm)

2.874 in (73 mm)

CE; CSA; UL

Very Fast

PSR032US0900X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

900 A

Tab/Blade

107.785 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

PSR030UL0630Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

550 V

630 A

Tab/Blade

57.404 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

LA070URD31TTI0350

Littelfuse

Electric Fuse

Inline/Holder

700 V

350 A

End Cap

10.5 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

PSR032US1000X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

1 kA

Tab/Blade

190.102 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

L70S25

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

25 A

End Cap

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

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

PSR033FL0700H

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Threaded

56.763 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

L70S600

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

600 A

Tab/Blade

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

2.5 in (63.5 mm)

2.5 x 2.843 in (63.5 x 72.2 mm)

2.843 in (72.2 mm)

CE; CSA; UL

Very Fast

LA070URD31TTI0250

Littelfuse

Electric Fuse

Inline/Holder

700 V

250 A

End Cap

4.7 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

LA070URD31KI0700

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 A

Tab/Blade

95 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

LA070URD30LI0250

Littelfuse

Electric Fuse

Inline/Holder

700 V

250 A

Tab/Blade

5.8 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

PSR030UL0125Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

125 A

Tab/Blade

707 J

-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

LA070URD31LI0550

Littelfuse

Electric Fuse

Inline/Holder

700 V

550 A

Tab/Blade

52 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

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

PSR032FS0800Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Threaded

60.125 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

PSR031FS0700Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Threaded

98.187 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

PSR033FL0800Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Threaded

84.691 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

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

PSR030FS0400Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

400 A

Threaded

16.209 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

PSR033FL1400Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

500 V

1.4 kA

Threaded

583.552 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

LA070URD31TTI0800

Littelfuse

Electric Fuse

Inline/Holder

700 V

800 A

End Cap

140 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

PSR032FS0900Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

900 A

Threaded

107.785 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

PSR033FS1000Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

1 kA

Threaded

222.35 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

LA70QS125-4K

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

125 A

Tab/Blade

6.9 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

1.22 in (31 mm)

1.22 x 2.874 in (31 x 73 mm)

2.874 in (73 mm)

CSA; UL

Fast

PSR030FL0550Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

550 A

Threaded

44.323 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

PSR033FL1250H

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

1.25 kA

Threaded

476.902 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

LA70QS350-4

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

350 A

Tab/Blade

72 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

1.5 in (38.1 mm)

1.5 x 2.843 in (38.1 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

Fast

PSR031US0450Z

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

LA70QS700-4

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

700 A

Tab/Blade

332 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

2.5 in (63.5 mm)

2.5 x 2.843 in (63.5 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

Fast

PSR030FS0550Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

550 A

Threaded

44.323 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

LA070URD32TTI0450

Littelfuse

Electric Fuse

Inline/Holder

700 V

450 A

End Cap

22 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

PSR031UL0400Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

400 A

Tab/Blade

14.77 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

LA070URD30LI0550

Littelfuse

Electric Fuse

Inline/Holder

700 V

550 A

Tab/Blade

52 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

PSR033FS0700H

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Threaded

56.763 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

LA070URD32TTI0630

Littelfuse

Electric Fuse

Inline/Holder

700 V

630 A

End Cap

54 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

LA70QS800-4

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

800 A

Tab/Blade

433 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

2.5 in (63.5 mm)

2.5 x 2.843 in (63.5 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

Fast

PSR030FS0315Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

315 A

Threaded

7.131 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

L70S10

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

10 A

End Cap

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

LA070URD31TTI0315

Littelfuse

Electric Fuse

Inline/Holder

700 V

315 A

End Cap

7.5 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

LA070URD31LI0630

Littelfuse

Electric Fuse

Inline/Holder

700 V

630 A

Tab/Blade

75 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

PSR030US0630Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

550 V

630 A

Tab/Blade

57.404 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR033UL1100X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

1.1 kA

Tab/Blade

310.824 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

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.