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

TLN300

Littelfuse

Electric Fuse

Inline/Holder

170 V

300 A

Tab/Blade

Rated Breaking Capacity at 170 VDC: 100000 A

2.094 in (53.2 mm)

2.094 x 4.764 in (53.2 x 121 mm)

4.764 in (121 mm)

UL

Fast

8NLE2-150EL

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

300 A

End Cap

80 kA

8NLE2-150E

6.378 in (162 mm)

6.378 x 17.874 in (162 x 454 mm)

17.874 in (454 mm)

0898300.U-1M8

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

L17T300V

Littelfuse

Electric Fuse

300 A

100 kA

1.5 in (38.1 mm)

170 V

1.5 x 1.252 in (38.1 x 31.8 mm)

1.252 in (31.8 mm)

CE, CSA, UL

KLSR300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 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

581300

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)

1.535 x 1.195 x 0.683 in (39 x 30.35 x 17.35 mm)

0.683 in (17.35 mm)

UL

L25S300

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 200 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 1.594 in (38.1 x 40.5 mm)

1.594 in (40.5 mm)

CSA; UL

Fast

LA15QS300-4

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

LLSRK300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

2.594 x 11.626 in (65.9 x 295.3 mm)

11.626 in (295.3 mm)

CSA; UL

Time Delay

LCY300E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

300 A

End Cap

80 kA

LCY

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

LA30QS300-4

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

300 A

Tab/Blade

37 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 1.579 in (38.1 x 40.1 mm)

1.579 in (40.1 mm)

UL

Very Fast

0CNL300.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

300 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

UL

Fast

300E-2CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

300 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

JLS300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 A

Tab/Blade

200 kA

Bulk

2 in (50.8 mm)

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; CSA; QPL; UL

Fast

L60S300.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

1.579 in (40.1 mm)

2.906 in (73.8 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0898300.U-NH

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

LLNRK300

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

2.094 in (53.2 mm)

2.094 x 8.626 in (53.2 x 219.1 mm)

8.626 in (219.1 mm)

CSA; UL

Time Delay

5NLE2-300ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

300 A

End Cap

80 kA

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

0298300.ZXA

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)

32 V

Mega

0.421 in (10.7 mm)

125 °C (257 °F)

Time Delay

300E-2C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 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

0JLS300.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 A

Tab/Blade

200 kA

Bulk

2 in (50.8 mm)

J

600 V

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; CSA; QPL; UL

Fast

153.3502

Littelfuse

Electric Fuse

Through Hole Mount

32 V

300 A

Pin Wire

373 J

-40 °C (-40 °F)

Tin

2 kA

100 ms

e3

1.386 x 0.64 x 0.703 in (35.2 x 16.25 x 17.85 mm)

125 °C (257 °F)

SPFJ300

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

300 A

Tab/Blade

143 kJ

200 kA

12 m

Rated Breaking Capacity at 1000 VDC: 20000 A

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

157.5700.6301

Littelfuse

Electric Fuse

Inline/Holder

48 V

300 A

Tab/Blade

-40 °C (-40 °F)

1.8 kA

200 ms

Bulk

3.228 in (82 mm)

0.787 in (20 mm)

0.031 in (0.8 mm)

125 °C (257 °F)

300E2C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 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

EV1K300.ZXBD

Littelfuse

Electric Fuse

Inline/Holder

1 KV

300 A

Tab/Blade

-40 °C (-40 °F)

30 kA

Bulk

2 in (50.8 mm)

2.844 in (72.24 mm)

125 °C (257 °F)

0JTD300.XXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

2 in (50.8 mm)

Indicator

3.374 in (85.7 mm)

CSA; UL

Time Delay

30EV300.ZXBDM

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 A

Tab/Blade

101 kJ

-40 °C (-40 °F)

30 kA

50 ms

1.181 in (30 mm)

2.047 in (52 mm)

CSA; UL

125 °C (257 °F)

Time Delay

0JTD300.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

2 in (50.8 mm)

3.374 in (85.7 mm)

CSA; UL

Time Delay

L17T300.V

Littelfuse

Electric Fuse

Inline/Holder

170 V

300 A

Tab/Blade

100 kA

Bulk

1.5 in (38.1 mm)

1.252 in (31.8 mm)

CSA; UL

FLSR300.XXID

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)

Indicator

11.626 in (295.3 mm)

CSA; UL

Time Delay

153.5395.63021

Littelfuse

Electric Fuse

Inline/Holder

2 KV

300 A

Tab/Blade

486 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.142 in (29 mm)

0.642 in (16.3 mm)

0.37 in (9.4 mm)

CUL; UL

125 °C (257 °F)

153.7011.63021

Littelfuse

Electric Fuse

Inline/Holder

2 KV

300 A

Tab/Blade

486 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.142 in (29 mm)

0.642 in (16.3 mm)

0.37 in (9.4 mm)

CUL; UL

125 °C (257 °F)

FLNR300.XXID

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)

Indicator

8.626 in (219.1 mm)

CSA; UL

Time Delay

FLNR300.X

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

EV1K300

Littelfuse

Electric Fuse

Inline/Holder

1 KV

300 A

Tab/Blade

-40 °C (-40 °F)

30 kA

Bulk

2 in (50.8 mm)

2.844 in (72.24 mm)

125 °C (257 °F)

0RLN300.T

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

KLSR0300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

11.626 in (295.3 mm)

CE; CSA; UL

Fast

L15S300.T

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

Box

1 in (25.4 mm)

1.157 in (29.4 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LLNRK300.V

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

2.094 in (53.2 mm)

8.626 in (219.1 mm)

CE; CSA; UL; QPL

Time Delay

LLSRK300.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.594 in (65.9 mm)

Indicator

11.626 in (295.3 mm)

CE; CSA; UL; QPL

Time Delay

0KLC300.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

2 in (50.8 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

0RLS300.T

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

L70QS300

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

300 A

Tab/Blade

16.296 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 700 VDC: 50000 A

2 in (50.8 mm)

2.844 in (72.24 mm)

CUL; UL

125 °C (257 °F)

Very Fast

KLNR0300

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

2.094 in (53.2 mm)

8.626 in (219.1 mm)

CE; CSA; UL

Fast

0298300.UXP-2M8

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

FLSR300ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

300 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

IDSR300

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

300 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

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.