450 V Fuses 184

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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

L50S020

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

0.563 in (14.3 mm)

2 in (50.8 mm)

CE; CSA; UL

Very Fast

KLH500

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

500 A

Tab/Blade

200 kA

KLH

Rated Breaking Capacity at 450 VDC: 20000 A

2 in (50.8 mm)

2 x 2.22 in (50.8 x 56.4 mm)

2.22 in (56.4 mm)

CSA; UL

Fast

0977004.MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

4 A

End Cap

124 J

-55 °C (-67 °F)

100 A

Rated Breaking Capacity at 450 VDC: 200 A, Pre-Arcing Time: Open within 10 ms at 1000% Rated Current

124

Bulk

0.205 in (5.2 mm)

500 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; PSE; SEMKO

125 °C (257 °F)

Time Lag

L50S50

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

50 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

80811000000

Littelfuse

Electric Fuse

Through Hole Mount

250 V

450 V

1 A

Pin Wire

6.6 mJ

-40 °C (-40 °F)

Tin

100 A

4 h

Rated Breaking Capacity at 450 VDC: 10000 A

0.0066

Ammo Pack; Tape And Reel

0.35 in (8.9 mm)

0.183 in (4.65 mm)

e3

250 V

TE5

0.35 x 0.183 x 0.348 in (8.9 x 4.65 x 8.85 mm)

0.348 in (8.85 mm)

UL

125 °C (257 °F)

Fast

L50S90

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

90 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

1 in (25.4 mm)

1 x 2.126 in (25.4 x 54 mm)

2.126 in (54 mm)

CSA; UL

Fast

0HEV030.ZXPCB

Littelfuse

Electric Fuse

Through Hole Mount

450 V

30 A

Pin Wire

993 J

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

450 V

1.53 in (38.86 mm)

CSA; UL

125 °C (257 °F)

0977.500MXEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

450 V

500 mA

Pin Wire

300 mJ

-55 °C (-67 °F)

Matte Tin

100 A

Rated Breaking Capacity at 450 VDC: 200 A

0.3

Bulk

0.236 in (6 mm)

e3

500 V

0.197 x 0.787 in (5 x 20 mm)

0.236 x 0.886 in (6 x 22.5 mm)

0.886 in (22.5 mm)

CE; SEMKO

125 °C (257 °F)

Time Lag

80811600075

Littelfuse

Electric Fuse

Through Hole Mount

250 V

450 V

1.6 A

Pin Wire

34.4 mJ

-40 °C (-40 °F)

Tin

100 A

4 h

Rated Breaking Capacity at 450 VDC: 10000 A

0.03

Bulk

0.35 in (8.9 mm)

0.183 in (4.65 mm)

e3

250 V

TE5

0.35 x 0.183 x 0.348 in (8.9 x 4.65 x 8.85 mm)

0.348 in (8.85 mm)

UL

125 °C (257 °F)

Fast

KLH50

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

50 A

Tab/Blade

200 kA

KLH

Rated Breaking Capacity at 450 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

KLH40

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

40 A

Tab/Blade

200 kA

KLH

Rated Breaking Capacity at 450 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

0885004.DR

Littelfuse

Electric Fuse

Surface Mount

350 V

450 V

4 A

Wraparound

21.3 J

-40 °C (-40 °F)

Tin

100 A

1 s

Tape And Reel

0.428 in (10.86 mm)

0.188 in (4.78 mm)

e3

Nano

0.428 x 0.188 x 0.188 in (10.86 x 4.78 x 4.78 mm)

0.188 in (4.78 mm)

CUL; TUV; UL

105 °C (221 °F)

KLH25

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

25 A

End Cap

200 kA

KLH

Rated Breaking Capacity at 450 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

KLH10

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

10 A

End Cap

200 kA

KLH

Rated Breaking Capacity at 450 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

L50S35

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

35 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

L50S400

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

400 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 2.094 in (38.1 x 53.2 mm)

2.094 in (53.2 mm)

CE; CSA; UL

Very Fast

0HEV015.ZXISO

Littelfuse

Electric Fuse

Inline/Holder

450 V

15 A

Tab/Blade

133 J

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

450 V

1.492 in (37.9 mm)

CSA; UL

125 °C (257 °F)

L50S15

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

15 A

End Cap

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

L50S700

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

2.5 in (63.5 mm)

2.5 x 2.22 in (63.5 x 56.4 mm)

2.22 in (56.4 mm)

CE; CSA; UL

Very Fast

L50S-17.5

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

175 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

1.22 in (31 mm)

1.22 x 2.126 in (31 x 54 mm)

2.126 in (54 mm)

CE; CSA; UL

Very Fast

0HEV020.ZXPCB

Littelfuse

Electric Fuse

Through Hole Mount

450 V

20 A

Pin Wire

268 J

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

450 V

1.53 in (38.86 mm)

CSA; UL

125 °C (257 °F)

L50S80

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

80 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

1 in (25.4 mm)

1 x 2.126 in (25.4 x 54 mm)

2.126 in (54 mm)

CSA; UL

Fast

PSR033US2250X

Littelfuse

Electric Fuse

Inline/Holder

550 V

450 V

2.25 kA

Tab/Blade

1.236 MJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032FL1400Z

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.4 kA

Threaded

551.749 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032US1400X

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.4 kA

Tab/Blade

551.749 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032FL1500Z

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.5 kA

Threaded

673.36 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032FS1500Z

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.5 kA

Threaded

673.36 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032UL1500X

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.5 kA

Tab/Blade

673.36 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR033UL2250X

Littelfuse

Electric Fuse

Inline/Holder

550 V

450 V

2.25 kA

Tab/Blade

1.236 MJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032US1500X

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.5 kA

Tab/Blade

673.36 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032FS1400Z

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.4 kA

Threaded

551.749 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032UL1400X

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.4 kA

Tab/Blade

551.749 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR033FS2250Z

Littelfuse

Electric Fuse

Inline/Holder

550 V

450 V

2.25 kA

Threaded

1.236 MJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR033FL2250Z

Littelfuse

Electric Fuse

Inline/Holder

550 V

450 V

2.25 kA

Threaded

1.236 MJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032DS1400X

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.4 kA

Tab/Blade

551.749 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032DS1500X

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.5 kA

Tab/Blade

673.36 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032DL1400X

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.4 kA

Tab/Blade

551.749 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR033DS2250X

Littelfuse

Electric Fuse

Inline/Holder

550 V

450 V

2.25 kA

Tab/Blade

1.236 MJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR033DL2250X

Littelfuse

Electric Fuse

Inline/Holder

550 V

450 V

2.25 kA

Tab/Blade

1.236 MJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

PSR032DL1500X

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

1.5 kA

Tab/Blade

673.36 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 450 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

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.