1 KV Fuses 555

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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

0SPF003.HXR

Littelfuse

Electric Fuse

Inline/Holder

1 KV

3 A

End Cap

7.9 J

20 kA

4 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; TUV; UL

Fast

0SPF030.HXS

Littelfuse

Electric Fuse

Inline/Holder

1 KV

30 A

End Cap

3.29 kJ

Silver

50 kA

4 m

Bulk

0.406 in (10.31 mm)

e4

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

PSR070UL0080Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

80 A

Tab/Blade

583 J

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.823 in (71.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR070FS0280Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

280 A

Threaded

11.844 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

LA120X10-1

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

1 KV

10 A

End Cap

970 J

100 kA

Rated Breaking Capacity at 1000 VDC: 100000 A

0.811 in (20.6 mm)

1.2 KV

0.811 x 4.606 in (20.6 x 117 mm)

4.606 in (117 mm)

Very Fast

FLU44/100

Littelfuse

Electric Fuse

Inline/Holder

1 KV

1 KV

1 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.375 in (10.31 x 34.93 mm)

1.375 in (34.93 mm)

CSA; UL

SPFI010

Littelfuse

Electric Fuse

Inline/Holder

1 KV

10 A

Ferrule

395.556 J

Nickel

20 kA

4 m

0.406 in (10.31 mm)

Midget

2.5 in (63.5 mm)

CE; UL

PSR070FL0350Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

350 A

Threaded

22.963 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

SPF030.HXR

Littelfuse

Electric Fuse

Inline/Holder

1 KV

30 A

Tab/Blade

2.679 kJ

20 kA

4 m

Bulk

0.406 in (10.31 mm)

Midget

1.5 in (38.1 mm)

UL

PSR071UL0280Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

280 A

Tab/Blade

13.763 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.028 in (51.5 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR070FL0125Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

125 A

Threaded

1.352 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR070FL0063Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

63 A

Threaded

273 J

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

SPFJ125L

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

125 A

Tab/Blade

24.75 kJ

200 kA

10 m

Rated Breaking Capacity at 1000 VDC: 20000 A

1.5 in (38.1 mm)

Midget

3.012 in (76.5 mm)

CE; IEC; UL

PSR072FL0250Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

250 A

Threaded

7.737 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.953 in (75 mm)

2.362 in (60 mm)

Indicator

3.736 in (94.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

SPFI003

Littelfuse

Electric Fuse

Inline/Holder

1 KV

3 A

Ferrule

5.007 J

Nickel

20 kA

4 m

0.406 in (10.31 mm)

Midget

2.5 in (63.5 mm)

CE; UL

SPFI030.L

Littelfuse

Electric Fuse

Inline/Holder

1 KV

30 A

End Cap

2.679 kJ

20 kA

4 m

2679

Bulk

0.406 in (10.31 mm)

0.406 x 2.5 in (10.31 x 63.5 mm)

2.5 in (63.5 mm)

CE, TUV, UL

SPFI004.T

Littelfuse

Electric Fuse

Inline/Holder

1 KV

4 A

End Cap

23 J

20 kA

4 m

23

Bulk

0.406 in (10.31 mm)

0.406 x 2.5 in (10.31 x 63.5 mm)

2.5 in (63.5 mm)

CE, TUV, UL

SPFR350.X

Littelfuse

Electric Fuse

Inline/Holder

1 KV

350 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

7.478 in (189.94 mm)

UL

Fast

SPF030R

Littelfuse

Electric Fuse

Inline/Holder

1 KV

30 A

Tab/Blade

2.679 kJ

20 kA

4 m

0.406 in (10.31 mm)

Midget

1.5 in (38.1 mm)

UL

PSR073UL0630X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

630 A

Tab/Blade

94.649 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

SPFR250.X

Littelfuse

Electric Fuse

Inline/Holder

1 KV

250 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

7.478 in (189.94 mm)

UL

Fast

PSR072FS0630Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

630 A

Threaded

126.126 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 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

PSR070FS0200Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

200 A

Threaded

4.177 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

SPFR300

Littelfuse

Electric Fuse

Inline/Holder

1 KV

300 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

2.594 x 7.478 in (65.9 x 189.94 mm)

7.478 in (189.94 mm)

UL

Fast

PSR070UL0315Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

315 A

Tab/Blade

18.162 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.823 in (71.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR073FS0350Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

350 A

Threaded

13.586 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 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

SPF001R

Littelfuse

Electric Fuse

Through Hole Mount

1 KV

1 A

Pin Wire

20 kA

SPF

1.53 in (38.86 mm)

1.53 x 0.5 in (38.86 x 12.7 mm)

0.5 in (12.7 mm)

UL

PSR072FS0350Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

350 A

Threaded

18.727 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 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

SPF004

Littelfuse

Electric Fuse

Inline/Holder

1 KV

4 A

End Cap

20 kA

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

UL

PSR070FL0250Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

250 A

Threaded

8.629 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

SPFI015.T

Littelfuse

Electric Fuse

Inline/Holder

1 KV

15 A

End Cap

505 J

20 kA

4 m

505

Bulk

0.406 in (10.31 mm)

0.406 x 2.5 in (10.31 x 63.5 mm)

2.5 in (63.5 mm)

CE, TUV, UL

PSR071UL0160Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

160 A

Tab/Blade

2.756 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.028 in (51.5 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR071FS0400Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

400 A

Threaded

43.211 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

2.028 in (51.5 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR072UL0550X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

550 A

Tab/Blade

73.858 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 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

SPFJ400.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

400 A

Tab/Blade

400.5 kJ

200 kA

12 m

Rated Breaking Capacity at 1000 VDC: 20000 A

Bulk

2 in (50.8 mm)

Midget

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; IEC; UL; VDE

PSR073FS0550Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

550 A

Threaded

55.513 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 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

SPF0010

Littelfuse

Electric Fuse

Inline/Holder

1 KV

10 A

End Cap

20 kA

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

UL

PSR073UL0500X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

500 A

Tab/Blade

42.751 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

0SPF001.HXS

Littelfuse

Electric Fuse

Inline/Holder

1 KV

1 A

End Cap

600 mJ

Silver

20 kA

4 m

Bulk

0.406 in (10.31 mm)

e4

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

0SPF015.HXS

Littelfuse

Electric Fuse

Inline/Holder

1 KV

15 A

End Cap

505 J

Silver

20 kA

4 m

Bulk

0.406 in (10.31 mm)

e4

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

PSR070UL0125Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

125 A

Tab/Blade

1.352 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.823 in (71.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

0SPF010.HXR

Littelfuse

Electric Fuse

Inline/Holder

1 KV

10 A

End Cap

401 J

20 kA

4 m

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; TUV; UL

Fast

FLU.440

Littelfuse

Electric Fuse

Inline/Holder

1 KV

1 KV

440 mA

End Cap

10 kA

0.406 in (10.31 mm)

1 KV

5AG

0.406 x 1.375 in (10.31 x 34.93 mm)

1.375 in (34.925 mm)

CSA; UL

Fast

PSR071FL0315Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

315 A

Threaded

20.882 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

2.028 in (51.5 mm)

Indicator

3.402 in (86.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

SPFI010.T

Littelfuse

Electric Fuse

Inline/Holder

1 KV

10 A

End Cap

401 J

20 kA

4 m

401

Bulk

0.406 in (10.31 mm)

0.406 x 2.5 in (10.31 x 63.5 mm)

2.5 in (63.5 mm)

CE, TUV, UL

0SPF006.HXS

Littelfuse

Electric Fuse

Inline/Holder

1 KV

6 A

End Cap

80 J

Silver

20 kA

4 m

Bulk

0.406 in (10.31 mm)

e4

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE; CSA; IEC; UL

PSR071UL0315Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

315 A

Tab/Blade

20.882 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.028 in (51.5 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

LA120X30-1

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

1 KV

30 A

End Cap

8.3 kJ

100 kA

Rated Breaking Capacity at 1000 VDC: 100000 A

0.811 in (20.6 mm)

1.2 KV

0.811 x 4.606 in (20.6 x 117 mm)

4.606 in (117 mm)

Very 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.