550 V 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

PSR032FS1250Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

1.25 kA

Threaded

336.661 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR032US1250X

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

1.25 kA

Tab/Blade

336.661 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR032UL1250X

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

1.25 kA

Tab/Blade

336.661 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR032FL1250Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

1.25 kA

Threaded

336.661 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

07945828549

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

1.929 in (49 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR030US0630

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

1.929 in (49 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR031US0900

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Tab/Blade

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

07945828550

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Tab/Blade

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR031UL0900

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Tab/Blade

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

07945827829

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Tab/Blade

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR032DS1250X

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

1.25 kA

Tab/Blade

336.661 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR030DL0630Z

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

PSR032DL1250X

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

1.25 kA

Tab/Blade

336.661 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR030DS0630Z

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

PSR031DL0900Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Tab/Blade

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR031DS0900Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Tab/Blade

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR030FL0630Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

550 V

630 A

Threaded

57.404 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

07945827828

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

1.929 in (49 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR030UL0630

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

1.929 in (49 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

PSR030FS0630Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

550 V

630 A

Threaded

57.404 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR031FL0900Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Threaded

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR031US0900Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Tab/Blade

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

PSR031FS0900Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Threaded

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

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

PSR031UL0900Z

Littelfuse

Electric Fuse

Inline/Holder

600 V

550 V

900 A

Tab/Blade

155.163 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 550 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

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.