250 A Fuses 265

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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

CNL250

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

250 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

2.43 in (61.72 mm)

UL

Fast

8NLE2-125EL

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

250 A

End Cap

80 kA

8NLE2-125E

6.378 in (162 mm)

6.378 x 17.874 in (162 x 454 mm)

17.874 in (454 mm)

LCU250ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

250 A

End Cap

80 kA

LCU

Hermitically Sealed Part Number

6.38 in (162.05 mm)

6.38 x 17.875 in (162.05 x 454.03 mm)

17.875 in (454.03 mm)

Medium

KLH250

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

250 A

Tab/Blade

200 kA

KLH

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)

CSA; UL

Fast

LA070URD30KI0250

Littelfuse

Electric Fuse

Inline/Holder

700 V

250 A

Tab/Blade

5.8 J

200 kA

1.575 in (40 mm)

1.575 in (40 mm)

Indicator

1.575 x 1.575 x 1.874 in (40 x 40 x 47.6 mm)

1.874 in (47.6 mm)

UL

Very Fast

PSX1XLFL0250X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

250 A

Threaded

36.552 kJ

-55 °C (-67 °F)

250 kA

Bulk

4.988 in (126.7 mm)

2.028 in (51.5 mm)

Indicator

2.028 in (51.5 mm)

CUL; UL

125 °C (257 °F)

Fast

250E2C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

250 A

End Cap

80 kA

10 m

6.382 in (162.1 mm)

Striker

6.38 x 15.875 in (162.05 x 403.23 mm)

15.874 in (403.2 mm)

Medium

FLNR250ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

2.094 in (53.2 mm)

Indicator

2.094 x 8.626 in (53.2 x 219.1 mm)

8.626 in (219.1 mm)

CSA; QPL; UL

Time Delay

0298250TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

250 A

Tab/Blade

389 kJ

-40 °C (-40 °F)

Silver

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

e4

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

RLN250

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 A

Tab/Blade

10 kA

2.094 in (53.2 mm)

8.626 in (219.1 mm)

CE; CSA; UL

PSR072FS0250Z

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)

CUL; UL

125 °C (257 °F)

Fast

LA070URD31LI0250

Littelfuse

Electric Fuse

Inline/Holder

700 V

250 A

Tab/Blade

4.7 J

200 kA

2.008 in (51 mm)

2.008 in (51 mm)

Indicator

2.008 x 2.008 x 1.874 in (51 x 51 x 47.6 mm)

1.874 in (47.6 mm)

UL

Very Fast

PSR030US0250Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

250 A

Tab/Blade

4.668 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 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

0998250.UX-1M6

Littelfuse

Electric Fuse

Inline/Holder

70 V

250 A

Tab/Blade

220 kJ

-40 °C (-40 °F)

Tin

2.5 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

e3

70 V

Mega

0.39 in (9.9 mm)

ISO

125 °C (257 °F)

FLSR2.50ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

Indicator

2.594 x 11.626 in (65.9 x 295.3 mm)

11.626 in (295.3 mm)

CSA; QPL; UL

Time Delay

LLSRK250ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

Indicator

2.594 x 11.626 in (65.9 x 295.3 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

KLPC0250

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 480 VDC: 20000 A

2.5 in (63.5 mm)

2.5 x 3.752 in (63.5 x 95.3 mm)

3.752 in (95.3 mm)

CSA; UL

Time Delay

PSR070FS0250Z

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)

CUL; UL

125 °C (257 °F)

Fast

CCK250

Littelfuse

Electric Fuse

Inline/Holder

125 V

250 A

Tab/Blade

10 kA

1.06 in (26.92 mm)

1 x 4.612 in (25.4 x 117.14 mm)

4.702 in (119.43 mm)

Time Delay

SPNH0250.X2XLDLMS

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

250 A

Tab/Blade

73 kJ

30 kA

Bulk

5.165 in (131.2 mm)

2.362 in (60 mm)

NH

2.362 in (60 mm)

UL

PSR072UL0250X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

250 A

Tab/Blade

7.737 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

L60S250

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 A

Tab/Blade

-55 °C (-67 °F)

200 kA

1.579 in (40.1 mm)

1.579 x 2.906 in (40.1 x 73.8 mm)

2.906 in (73.8 mm)

CSA; UL

125 °C (257 °F)

Very Fast

5NLE2250E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

250 A

End Cap

80 kA

10 m

6.382 in (162.1 mm)

Striker

6.38 x 17.875 in (162.05 x 454.03 mm)

17.875 in (454.03 mm)

Medium

IDSR250

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

2.543 in (64.6 mm)

2.5 x 11.626 in (63.5 x 295.3 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

0298250.UXP-2M6

Littelfuse

Electric Fuse

Inline/Holder

32 V

250 A

Tab/Blade

176.2 kJ

-40 °C (-40 °F)

Tin

2 kA

100 ms

1.15 in (29.2 mm)

0.75 in (19.05 mm)

e3

32 V

Mega

0.381 in (9.69 mm)

125 °C (257 °F)

Time Delay

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.