1.8 kA Fuses 26

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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

KRP-C-1800SP

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

1.8 kA

Tab/Blade

Silver

300 kA

Rated Breaking Capacity at 300 VDC: 100000 A

3.5 in (88.9 mm)

L

e4

600 V

3.5 x 3.752 in (88.9 x 95.3 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Delay

PSR033FL1800Z

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Threaded

952.196 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

PSR033FS1800H

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Threaded

952.196 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

LA050URD32TTI1800

Littelfuse

Electric Fuse

Inline/Holder

500 V

1.8 kA

End Cap

1.05 kJ

200 kA

LA

Indicator

UL

Very Fast

LA065URD33TTI1800

Littelfuse

Electric Fuse

Inline/Holder

650 V

1.8 kA

End Cap

720 J

200 kA

2.933 in (74.5 mm)

2.933 in (74.5 mm)

Indicator

2.933 x 2.933 x 1.929 in (74.5 x 74.5 x 49 mm)

1.929 in (49 mm)

UL

Very Fast

KLLU1800

Littelfuse

Electric Fuse

Inline/Holder

600 V

1.8 kA

Tab/Blade

200 kA

3.5 in (88.9 mm)

L

600 V

3.5 x 3.752 in (88.9 x 95.3 mm)

3.752 in (95.3 mm)

CSA; UL

Time Delay

LA065URD73TTI1800

Littelfuse

Electric Fuse

Inline/Holder

660 V

1.8 kA

End Cap

2.04 kJ

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

LA60X1800-128

Littelfuse

Electric Fuse

Inline/Holder

600 V

1.8 kA

End Cap

100 kA

4.488 in (114 mm)

600 V

4.488 x 3.752 in (114 x 95.3 mm)

3.752 in (95.3 mm)

UL

Fast

LDC1800

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.8 kA

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

3.5 in (88.9 mm)

3.5 x 3.752 in (88.9 x 95.3 mm)

3.752 in (95.3 mm)

CE, CSA, UL

Fast

0LDC1800.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

1.8 kA

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

3.5 in (88.9 mm)

L

600 V

3.5 x 3.752 in (88.9 x 95.3 mm)

3.752 in (95.3 mm)

CE, CSA, UL

Fast

KLPC1800.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

1.8 kA

Tab/Blade

200 kA

10.752 in (273.1 mm)

L

600 V

10.752 x 3.752 in (273.1 x 95.3 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Lag

PSR033US1800X

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Tab/Blade

952.196 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

PSR033FS1800Z

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Threaded

952.196 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)

CUL; UL

125 °C (257 °F)

Fast

KLLU1800.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3.5 in (88.9 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Delay

LA050URD32LI1800

Littelfuse

Electric Fuse

Inline/Holder

500 V

1.8 kA

Tab/Blade

1.05 kJ

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

LA065URD33LI1800

Littelfuse

Electric Fuse

Inline/Holder

650 V

1.8 kA

Tab/Blade

720 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

PSR033UL1800X

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Tab/Blade

952.196 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

PSR033FL1800H

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Threaded

952.196 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

LA065URD73LI1800

Littelfuse

Electric Fuse

Inline/Holder

660 V

1.8 kA

Tab/Blade

2.04 kJ

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

KLPC1800

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

1.8 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 480 VDC: 20000 A

3.5 in (88.9 mm)

3.5 x 3.752 in (88.9 x 95.3 mm)

3.752 in (95.3 mm)

CSA; UL

Time Delay

PSR033US1800

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Tab/Blade

952.196 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

07945825295

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Tab/Blade

952.196 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

PSR033DL1800X

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Tab/Blade

952.196 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

PSR033DS1800X

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Tab/Blade

952.196 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

PSR033UL1800

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Tab/Blade

952.196 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

07945825244

Littelfuse

Electric Fuse

Inline/Holder

650 V

500 V

1.8 kA

Tab/Blade

952.196 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 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

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.