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

NLS250

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

250 A

Tab/Blade

50 kA

Rated Breaking Capacity at 500 VDC; 50000

2.594 in (65.9 mm)

2.594 x 7.878 in (65.9 x 200.1 mm)

7.878 in (200.1 mm)

CSA; UL

PSX1XLDB0250X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

250 A

Tab/Blade

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

NH1M250

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

250 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.559 in (65 mm)

1.575 in (40 mm)

Indicator

2.559 x 1.575 x 2.835 in (65 x 40 x 72 mm)

2.835 in (72 mm)

VDE

250E-2CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

250 A

Tab/Blade

80 kA

7.94 in (201.68 mm)

7.94 x 16.13 in (201.68 x 409.7 mm)

16.13 in (409.7 mm)

Medium

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

2CM250

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

250 A

Tab/Blade

200 kA

2CM

Rated Breaking Capacity at 250 VDC: 80000 A

2.283 in (58 mm)

2.283 x 3.189 in (58 x 81 mm)

3.189 in (81 mm)

CSA

2CC250

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

250 A

Tab/Blade

200 kA

2CC

Rated Breaking Capacity at 250 VDC: 80000 A

2.283 in (58 mm)

2.283 x 3.189 in (58 x 81 mm)

3.189 in (81 mm)

CSA

0888250.U-1M6

Littelfuse

Electric Fuse

Inline/Holder

120 V

250 A

Tab/Blade

223.2 kJ

-40 °C (-40 °F)

2.5 kA

100 ms

1.15 in (29.2 mm)

0.748 in (19 mm)

Mega

0.39 in (9.9 mm)

125 °C (257 °F)

KLSR250

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 A

Tab/Blade

200 kA

KLSR

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CSA; UL

Fast

0CNL250.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

250 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

UL

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

15NLE3-250EL

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

250 A

End Cap

60 kA

15NLE3-250E

9.748 in (247.6 mm)

9.748 x 23.874 in (247.6 x 606.4 mm)

23.874 in (606.4 mm)

250E-3C-15.5L

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

250 A

End Cap

60 kA

250E-3C-15.5

9.748 in (247.6 mm)

9.748 x 18.874 in (247.6 x 479.4 mm)

18.874 in (479.4 mm)

LCX250E

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

250 A

End Cap

80 kA

LCX

6.38 in (162.05 mm)

6.38 x 10.875 in (162.05 x 276.23 mm)

10.875 in (276.23 mm)

Medium

153.7011.6252

Littelfuse

Electric Fuse

Inline/Holder

32 V

250 A

Tab/Blade

292.5 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.142 in (29 mm)

0.642 in (16.3 mm)

32 V

0.37 in (9.4 mm)

UL

125 °C (257 °F)

Slow

PSR030FL0250Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

250 A

Threaded

4.668 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.969 in (50 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

NH2CG250

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

250 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.402 in (61 mm)

1.575 in (40 mm)

Indicator

2.402 x 1.575 x 2.835 in (61 x 40 x 72 mm)

2.835 in (72 mm)

VDE

KLPC250

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

3298250.Z

Littelfuse

Electric Fuse

Surface Mount

32 V

250 A

Wraparound

160 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.181 in (30 mm)

1.047 in (26.6 mm)

Mega

0.63 in (16 mm)

125 °C (257 °F)

L17T250V

Littelfuse

Electric Fuse

250 A

100 kA

1 in (25.4 mm)

170 V

1 x 1.157 in (25.4 x 29.4 mm)

1.157 in (29.4 mm)

CE, CSA, UL

LA130URD71TTI0250

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

250 A

End Cap

8.9 J

100 kA

2.008 in (51 mm)

2.008 in (51 mm)

Indicator

2.008 x 2.008 x 2.854 in (51 x 51 x 72.5 mm)

2.854 in (72.5 mm)

UL

Very Fast

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

157.5917.6251

Littelfuse

Electric Fuse

Inline/Holder

48 V

250 A

Tab/Blade

-40 °C (-40 °F)

1.5 kA

200 ms

Bulk

1.26 in (32 mm)

0.866 in (22 mm)

48 V

1.26 x 0.866 x 0.413 in (32 x 22 x 10.5 mm)

0.413 in (10.5 mm)

CUL; UL

125 °C (257 °F)

157.5700.6251

Littelfuse

Electric Fuse

Inline/Holder

48 V

250 A

Tab/Blade

-40 °C (-40 °F)

1.5 kA

200 ms

Bulk

3.228 in (82 mm)

0.787 in (20 mm)

0.02 in (0.5 mm)

125 °C (257 °F)

LA130URD70TTI0250

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

250 A

End Cap

9.6 J

100 kA

1.575 in (40 mm)

1.575 in (40 mm)

Indicator

1.575 x 1.575 x 2.854 in (40 x 40 x 72.5 mm)

2.854 in (72.5 mm)

UL

Very Fast

JLLN250.XXP

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

1.311 in (33.3 mm)

300 V

2.752 in (69.9 mm)

CE; CSA; CUL; UL

Fast

IDSR250ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

250 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

0298250.UXP-NH

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

L70S250

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

2 in (50.8 mm)

2 x 2.843 in (50.8 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

Fast

KLNR250

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

250 A

Tab/Blade

200 kA

KLNR

Rated Breaking Capacity at 125 VDC: 20000 A

2.094 in (53.2 mm)

8.626 in (219.1 mm)

CSA; UL

Fast

0998250.UX-NH

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)

250E2C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

250 A

End Cap

80 kA

10 m

6.382 in (162.1 mm)

Striker

6.38 x 10.875 in (162.05 x 276.23 mm)

10.874 in (276.2 mm)

Medium

LDC250

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

250 A

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

2.5 in (63.5 mm)

3.752 in (95.3 mm)

CE, UL

Fast

0CCK250.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

250 A

Tab/Blade

10 kA

1.06 in (26.92 mm)

4.702 in (119.43 mm)

Time Delay

KLA250

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

250 A

Tab/Blade

100 kA

KLA

Rated Breaking Capacity at 100 VDC: 20000 A

1 in (25.4 mm)

1 x 1.157 in (25.4 x 29.4 mm)

1.157 in (29.4 mm)

CSA; UL

Fast

JLLN250

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

1.311 in (33.3 mm)

1.311 x 0.827 in (33.3 x 21 mm)

2.752 in (69.9 mm)

CE; CSA; CUL; UL

Fast

PSR031FL0250Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

250 A

Threaded

3.789 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.969 in (50 mm)

Indicator

3.402 in (86.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

250E-3C-15.5S

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

250 A

End Cap

80 kA

Hermitically Sealed Part Number

9.726 in (247.05 mm)

9.726 x 18.875 in (247.05 x 479.43 mm)

18.875 in (479.43 mm)

Medium

3298250.ZXM10

Littelfuse

Electric Fuse

Panel Mount

32 V

250 A

Wraparound

160.9 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.232 in (31.3 mm)

0.984 in (25 mm)

0.63 in (16 mm)

125 °C (257 °F)

Time Delay

0298250ZXH

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)

SPFR250

Littelfuse

Electric Fuse

Inline/Holder

1 KV

250 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

250E-3CL-15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

250 A

Tab/Blade

60 kA

11.56 in (293.62 mm)

11.56 x 19.1 in (293.62 x 485.14 mm)

19.1 in (485.14 mm)

Medium

0298250.TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

250 A

Tab/Blade

389 kJ

-40 °C (-40 °F)

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

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)

L13S250

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

250 A

Tab/Blade

100 kA

L13S

Rated Breaking Capacity at 100 VDC: 20000 A

1 in (25.4 mm)

1 x 1.157 in (25.4 x 29.4 mm)

1.157 in (29.4 mm)

CSA; UL

Fast

LA070URD31TTI0250

Littelfuse

Electric Fuse

Inline/Holder

700 V

250 A

End Cap

4.7 J

200 kA

2 in (50.8 mm)

2 in (50.8 mm)

Indicator

2 x 2 x 1.929 in (50.8 x 50.8 x 49 mm)

1.929 in (49 mm)

UL

Very Fast

PSR070UL0250Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

250 A

Tab/Blade

8.629 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

LA070URD30LI0250

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

L17T250

Littelfuse

Electric Fuse

Inline/Holder

170 V

250 A

Tab/Blade

100 kA

Bulk

1 in (25.4 mm)

1 x 1.157 in (25.4 x 29.4 mm)

1.157 in (29.4 mm)

CSA; UL

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.