1 kA Fuses 43

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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

L17T1000V

Littelfuse

Electric Fuse

1 kA

100 kA

170 V

1.339 in (34 mm)

1.339 in (34 mm)

CE, CSA, UL

LA070URD32KI1000

Littelfuse

Electric Fuse

Inline/Holder

700 V

1 kA

Tab/Blade

240 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

LA070URD32LI1000

Littelfuse

Electric Fuse

Inline/Holder

700 V

1 kA

Tab/Blade

240 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

LA070URD32TTI1000

Littelfuse

Electric Fuse

Inline/Holder

700 V

1 kA

End Cap

240 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

LA070URD33KI1000

Littelfuse

Electric Fuse

Inline/Holder

700 V

1 kA

Tab/Blade

170 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

LA070URD33LI1000

Littelfuse

Electric Fuse

Inline/Holder

700 V

1 kA

Tab/Blade

170 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

LA100P1000-4

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

1 kA

Tab/Blade

1.9 kJ

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

3.5 in (88.9 mm)

3.5 x 4.488 in (88.9 x 114 mm)

4.488 in (114 mm)

UL

Very Fast

LA15QS1000-128

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

1 kA

End Cap

540 J

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

2 in (50.8 mm)

2 x 1.63 in (50.8 x 41.4 mm)

1.63 in (41.4 mm)

UL

Very Fast

LA15QS1000-4TI

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

1 kA

Tab/Blade

520 J

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

1.5 in (38.1 mm)

Indicator

1.5 x 1.252 in (38.1 x 31.8 mm)

1.252 in (31.8 mm)

UL

Very Fast

LA15QS1000-4

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

1 kA

Tab/Blade

520 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

LA30QS1000-128

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

1 kA

End Cap

460 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3 in (76.2 mm)

3 x 2.339 in (76.2 x 59.4 mm)

2.339 in (59.4 mm)

UL

Very Fast

LA50P10004

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1 kA

200 kA

LA50P

Rated Breaking Capacity at 450 VDC: 20000 A

CSA; UL

Fast

LA50QS1000-4

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

1 kA

Tab/Blade

560 J

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

3 in (76.2 mm)

500 V

3 x 3.22 in (76.2 x 81.8 mm)

3.22 in (81.8 mm)

CSA; UL

Fast

LA70P10004

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

1 kA

200 kA

LA70P

Rated Breaking Capacity at 650 VDC: 20000 A

CSA; UL

Fast

LA100URD73LI1000

Littelfuse

Electric Fuse

Inline/Holder

1.1 KV

1 kA

Tab/Blade

370 J

100 kA

2.933 in (74.5 mm)

2.933 in (74.5 mm)

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

LA100URD73TTI1000

Littelfuse

Electric Fuse

Inline/Holder

1.1 KV

1 kA

End Cap

370 J

100 kA

LA

UL

Very Fast

PSR032FL1000Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

1 kA

Threaded

190.102 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

PSR032FS1000Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

1 kA

Threaded

190.102 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

PSR033FL1000Z

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)

CCC; 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

PSX3XLDB1000X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

1 kA

Tab/Blade

484.792 kJ

-55 °C (-67 °F)

250 kA

Bulk

5.067 in (128.7 mm)

2.894 in (73.5 mm)

Indicator

2.894 in (73.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSX3XLFL1000X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

1 kA

Threaded

484.792 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

PSX3XLUB1000X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

1 kA

Tab/Blade

484.792 kJ

-55 °C (-67 °F)

250 kA

Bulk

5.067 in (128.7 mm)

2.894 in (73.5 mm)

Indicator

2.894 in (73.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033US1000X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

1 kA

Tab/Blade

222.35 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

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

PSR033UL1000X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

1 kA

Tab/Blade

222.35 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

PSR032UL1000X

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

PSR072UL1000X

Littelfuse

Electric Fuse

Inline/Holder

900 V

800 V

1 kA

Tab/Blade

455.955 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 800 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

PSR072FL1000Z

Littelfuse

Electric Fuse

Inline/Holder

900 V

800 V

1 kA

Threaded

455.955 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 800 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

PSR072FS1000Z

Littelfuse

Electric Fuse

Inline/Holder

900 V

800 V

1 kA

Threaded

455.955 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 800 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

L15S1000V

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

1 kA

Tab/Blade

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 100 VDC: 20000 A

Box

1.5 in (38.1 mm)

1.252 in (31.8 mm)

CSA; UL

125 °C (257 °F)

Very Fast

PSR073FL1000Z

Littelfuse

Electric Fuse

Inline/Holder

1.05 KV

800 V

1 kA

Threaded

476.221 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 800 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

PSR073FS1000Z

Littelfuse

Electric Fuse

Inline/Holder

1.05 KV

800 V

1 kA

Threaded

476.221 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 800 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

PSR073UL1000X

Littelfuse

Electric Fuse

Inline/Holder

1.05 KV

800 V

1 kA

Tab/Blade

476.221 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 800 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

PSR032DS1000X

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)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR072DL1000X

Littelfuse

Electric Fuse

Inline/Holder

900 V

800 V

1 kA

Tab/Blade

455.955 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 800 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

PSR033DS1000X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

1 kA

Tab/Blade

222.35 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

PSR073DL1000X

Littelfuse

Electric Fuse

Inline/Holder

1.05 KV

800 V

1 kA

Tab/Blade

476.221 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 800 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

PSR032DL1000X

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)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR033DL1000X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

1 kA

Tab/Blade

222.35 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

JLLS1000X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.626 in (66.7 mm)

2.303 in (58.5 mm)

CE; CSA; UL

Fast

JLLS1000XXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.626 in (66.7 mm)

2.303 in (58.5 mm)

CE; CSA; UL

Fast

JLLN1000X

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

1 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

2.5 in (63.5 mm)

4 in (101.6 mm)

CSE; CUL; UL

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.