800 A Fuses 119

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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

0KLC800.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

800 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

2.5 in (63.5 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

L15S800.V

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

800 A

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

PSR073DL0800X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

800 A

Tab/Blade

234.943 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

PSR032DS0800X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

60.125 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

PSR031DS0800Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

137.208 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)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR033DL0800X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

84.691 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

PSR032DL0800X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

60.125 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

PSR072DL0800X

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

900 V

800 A

Tab/Blade

230.695 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 900 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

PSR031DL0800Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

137.208 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)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR033DS0800X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

84.691 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

KLC800

Littelfuse

Electric Fuse

Inline/Holder

600 V

800 A

Tab/Blade

-55 °C (-67 °F)

200 kA

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

125 °C (257 °F)

Very Fast

PSR033FL0800H

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

2.008 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

PSR032US0800

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

60.125 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

2.598 in (66 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825287

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

84.691 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

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033UL0800

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

84.691 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

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

KLB800

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 V

800 A

Tab/Blade

200 kA

KLB

Rated Breaking Capacity at 200 VDC: 20000 A

2 in (50.8 mm)

2 x 1.594 in (50.8 x 40.5 mm)

1.594 in (40.5 mm)

CSA; UL

Fast

PSX3XLUB0800X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

800 A

Tab/Blade

335.493 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

0LDC800.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

800 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, CSA, UL

Fast

PSX3XLDB0800X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

800 A

Tab/Blade

335.493 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

LA070URD32KI0800

Littelfuse

Electric Fuse

Inline/Holder

700 V

800 A

Tab/Blade

115 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

LA30QS800-4IL

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

800 A

Tab/Blade

330 J

200 kA

LA30

Rated Breaking Capacity at 300 VDC: 20000 A

UL

Very Fast

L60S800.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

800 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

2.5 in (63.5 mm)

3.031 in (77 mm)

CSA; UL

125 °C (257 °F)

Very Fast

JLLS800.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

800 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.5 in (63.5 mm)

600 V

1.858 in (47.2 mm)

CE; CSA; UL

Fast

LA110URD72LI0800

Littelfuse

Electric Fuse

Inline/Holder

1.1 KV

800 A

Tab/Blade

215 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

JLLS800

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

800 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.5 in (63.5 mm)

2.5 x 1.858 in (63.5 x 47.2 mm)

1.858 in (47.2 mm)

UL

Fast

L70QS800.X

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

800 A

Tab/Blade

156.137 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 700 VDC: 50000 A

Box

2.5 in (63.5 mm)

2.844 in (72.24 mm)

CUL; UL

125 °C (257 °F)

Very Fast

CNN800

Littelfuse

Electric Fuse

Inline/Holder

125 V

48 V

800 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

2.43 in (61.72 mm)

UL

Very Fast

L25S800

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 V

800 A

Tab/Blade

200 kA

Rated Breaking Capacity at 200 VDC: 20000 A

2 in (50.8 mm)

2 x 1.594 in (50.8 x 40.5 mm)

1.594 in (40.5 mm)

CSA; UL

Fast

PSR031FL0800Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Threaded

137.208 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

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

L17T800

Littelfuse

Electric Fuse

Inline/Holder

170 V

800 A

Tab/Blade

100 kA

Bulk

1.5 in (38.1 mm)

1.5 x 1.252 in (38.1 x 31.8 mm)

1.252 in (31.8 mm)

CSA; UL

L50S800

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

800 A

Tab/Blade

Silver

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

2.5 in (63.5 mm)

e4

2.5 x 2.22 in (63.5 x 56.4 mm)

2.22 in (56.4 mm)

CSA; UL

Fast

LA50QS800-4

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

800 A

Tab/Blade

360 J

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

2.5 in (63.5 mm)

500 V

2.5 x 2.22 in (63.5 x 56.4 mm)

2.22 in (56.4 mm)

CSA; UL

Fast

0CNN800.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

48 V

800 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

48 V

3.18 in (80.77 mm)

UL

Very Fast

PSR031FS0800Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Threaded

137.208 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

L17T800V

Littelfuse

Electric Fuse

800 A

100 kA

1.5 in (38.1 mm)

170 V

1.5 x 1.252 in (38.1 x 31.8 mm)

1.252 in (31.8 mm)

CE, CSA, UL

LA100P800-4

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

800 A

Tab/Blade

1.2 kJ

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

2.882 in (73.2 mm)

2.882 x 3.937 in (73.2 x 100 mm)

3.937 in (100 mm)

UL

Very Fast

PSR033UL0800X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

800 A

Tab/Blade

84.691 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

L70S800

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

800 A

Tab/Blade

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

2.874 in (73 mm)

2.874 x 3.311 in (73 x 84.1 mm)

3.311 in (84.1 mm)

CE; CSA; UL

Very Fast

LA30QS800-128

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

800 A

End Cap

330 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

L60S800

Littelfuse

Electric Fuse

Inline/Holder

600 V

800 A

Tab/Blade

-55 °C (-67 °F)

200 kA

2.5 in (63.5 mm)

2.5 x 3.031 in (63.5 x 77 mm)

3.031 in (77 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LA60X800-128

Littelfuse

Electric Fuse

Inline/Holder

600 V

800 A

End Cap

100 kA

3 in (76.2 mm)

600 V

3 x 3.752 in (76.2 x 95.3 mm)

3.752 in (95.3 mm)

UL

Fast

L50QS800.X

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

800 A

Tab/Blade

92.717 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Bulk

2.5 in (63.5 mm)

10 ms

2.218 in (56.34 mm)

CE; CUL; UL

125 °C (257 °F)

Very 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

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

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

CNN800E

Littelfuse

Electric Fuse

Inline/Holder

125 V

80 V

800 A

Tab/Blade

2.7 kA

3.181 in (80.8 mm)

3.18 in (80.77 mm)

CUL; UL

Very Fast

0581800

Littelfuse

Electric Fuse

Inline/Holder

48 V

48 V

800 A

Tab/Blade

2.5 kA

1.535 in (39 mm)

1.195 in (30.35 mm)

48 V

1.535 x 0.683 in (39 x 17.35 mm)

0.683 in (17.35 mm)

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.