300 A Fuses 190

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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

L15S300

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

300 A

Tab/Blade

-55 °C (-67 °F)

100 kA

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

125 °C (257 °F)

Very Fast

0888300.U-2M6

Littelfuse

Electric Fuse

Inline/Holder

120 V

300 A

Tab/Blade

434 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)

0581300

Littelfuse

Electric Fuse

Inline/Holder

48 V

48 V

300 A

Tab/Blade

2.5 kA

1.535 in (39 mm)

1.195 in (30.35 mm)

48 V

1.535 x 0.683 in (39 x 17.35 mm)

0.683 in (17.35 mm)

UL

Fast

300E-2C-8.25S

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

300 A

End Cap

80 kA

Hermitically Sealed Part Number

6.38 in (162.05 mm)

6.38 x 15.875 in (162.05 x 403.23 mm)

15.875 in (403.23 mm)

Medium

0CNN300.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

48 V

300 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

48 V

3.18 in (80.77 mm)

UL

Very Fast

0298300.UXT

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

315 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

Mega

0.421 in (10.7 mm)

125 °C (257 °F)

Time Delay

NH2M300

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

300 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.921 in (74.2 mm)

1.969 in (50 mm)

Indicator

2.921 x 1.969 x 2.835 in (74.2 x 50 x 72 mm)

2.835 in (72 mm)

VDE

JLLS300.XXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.594 in (40.5 mm)

600 V

1.713 in (43.5 mm)

CE; CSA; UL

Fast

300E-3CL-15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

300 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

L17T300

Littelfuse

Electric Fuse

Inline/Holder

170 V

300 A

Tab/Blade

100 kA

Bulk

1.5 in (38.1 mm)

1.5 x 1.252 in (38.1 x 31.8 mm)

1.252 in (31.8 mm)

CSA; UL

0998300.UX-1M6

Littelfuse

Electric Fuse

Inline/Holder

70 V

300 A

Tab/Blade

340 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)

15NLE3300E

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

300 A

End Cap

60 kA

10 m

9.752 in (247.7 mm)

Striker

9.75 x 23.875 in (247.65 x 606.43 mm)

23.875 in (606.43 mm)

Medium

LA15QS300-4TL

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

300 A

Tab/Blade

22 J

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

1.13 in (28.7 mm)

1.13 x 1.161 in (28.7 x 29.5 mm)

1.161 in (29.5 mm)

UL

Very Fast

L70S300

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

300 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

300E-2C-5.5L

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

300 A

End Cap

80 kA

300E-2C-5.5

16.378 in (416 mm)

16.378 x 15.874 in (416 x 403.2 mm)

15.874 in (403.2 mm)

300E2C8.25

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

300 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

0898300.U-2M6

Littelfuse

Electric Fuse

Inline/Holder

70 V

300 A

Tab/Blade

340 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)

Time Delay

LA15QS300-4IL

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

300 A

Tab/Blade

22 J

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

1.13 in (28.7 mm)

1.13 x 1.161 in (28.7 x 29.5 mm)

1.161 in (29.5 mm)

UL

Very Fast

0998300.UX-NH

Littelfuse

Electric Fuse

Inline/Holder

70 V

300 A

Tab/Blade

340 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)

15NLE3-300EL

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

300 A

End Cap

60 kA

15NLE3-300E

9.748 in (247.6 mm)

9.748 x 23.874 in (247.6 x 606.4 mm)

23.874 in (606.4 mm)

0298300.UXP-2M6

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

378.9 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

0.389 in (9.89 mm)

125 °C (257 °F)

Time Delay

0298300.UXP-1M6

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

378.9 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

0.389 in (9.89 mm)

125 °C (257 °F)

Time Delay

0888300.U-1M6

Littelfuse

Electric Fuse

Inline/Holder

120 V

300 A

Tab/Blade

434 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)

0298300.UXP-NH

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

378.9 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

0.389 in (9.89 mm)

125 °C (257 °F)

Time Delay

NLN300

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

300 A

Tab/Blade

50 kA

Rated Breaking Capacity at 250 VDC; 50000

2.094 in (53.2 mm)

2.094 x 4.878 in (53.2 x 123.9 mm)

4.878 in (123.9 mm)

CSA; UL

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

LA15QS300-4TI

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

300 A

Tab/Blade

22 J

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

1.13 in (28.7 mm)

Indicator

1.13 x 1.161 in (28.7 x 29.5 mm)

1.161 in (29.5 mm)

UL

Fast

300E3C15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

300 A

End Cap

80 kA

10 m

9.752 in (247.7 mm)

Striker

9.726 x 18.875 in (247.05 x 479.43 mm)

18.875 in (479.43 mm)

Medium

0898300.U-2M8

Littelfuse

Electric Fuse

Inline/Holder

70 V

300 A

Tab/Blade

340 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)

Time Delay

3298300.H

Littelfuse

Electric Fuse

Surface Mount

32 V

300 A

Wraparound

310 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)

FLSR300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

0888300.U-NH

Littelfuse

Electric Fuse

Inline/Holder

120 V

300 A

Tab/Blade

434 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)

LDC300

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

300 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

RLN300

Littelfuse

Electric Fuse

Inline/Holder

250 V

300 A

Tab/Blade

10 kA

2.094 in (53.2 mm)

8.626 in (219.1 mm)

CE; CSA; UL

5NLE2-300EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

300 A

End Cap

80 kA

5NLE2-300E

6.378 in (162 mm)

6.378 x 17.874 in (162 x 454 mm)

17.874 in (454 mm)

RLS300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CE; CSA; UL

LA50QS300-4

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

300 A

Tab/Blade

55 J

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

1.5 in (38.1 mm)

500 V

1.5 x 2.091 in (38.1 x 53.1 mm)

2.091 in (53.1 mm)

CSA; UL

Fast

0898300.U-1M6

Littelfuse

Electric Fuse

Inline/Holder

70 V

300 A

Tab/Blade

340 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)

Time Delay

0298300ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

-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)

CNL300

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

300 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

2.43 in (61.72 mm)

UL

Fast

2CC300

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

300 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

FLNR300

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

2 in (50.8 mm)

8.626 in (219.1 mm)

CSA; UL

Time Delay

JLLS300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.594 in (40.5 mm)

1.594 x 1.72 in (40.5 x 43.7 mm)

1.72 in (43.7 mm)

CSA; UL

Fast

LDZ300ES

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

300 A

End Cap

80 kA

LDZ

Hermitically Sealed Part Number

9.75 in (247.65 mm)

9.75 x 15.875 in (247.65 x 403.23 mm)

15.875 in (403.23 mm)

Medium

FLSR.300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

FLSR300.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.543 in (64.6 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

0298300.ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

315 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

Mega

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

0.421 in (10.7 mm)

125 °C (257 °F)

Time Delay

300E-3C-15.5S

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

300 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

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.