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

0298300.UXP-1M8

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

LDC0300

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

300 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 50000

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

NH2G300

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

300E-2C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

300 A

End Cap

80 kA

300E-2C-2.75

6.378 in (162 mm)

6.378 x 10.874 in (162 x 276.2 mm)

10.874 in (276.2 mm)

0888300.U-2M8

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)

KLPC300

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

300 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

L50S300

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

300 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

3298300.ZXM10

Littelfuse

Electric Fuse

Panel Mount

32 V

300 A

Wraparound

305.3 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

FLNR300ID

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)

Indicator

2.094 x 8.626 in (53.2 x 219.1 mm)

8.626 in (219.1 mm)

CSA; QPL; UL

Time Delay

LCX300ES

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

300 A

End Cap

80 kA

LCX

Hermitically Sealed Part Number

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

LCU300E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

300 A

End Cap

80 kA

LCU

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

0998300.UX-1M8

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)

KLNR300

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

300 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

KLW300

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

300 A

Tab/Blade

100 kA

KLW

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

SPFR300.X

Littelfuse

Electric Fuse

Inline/Holder

1 KV

300 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

7.478 in (189.94 mm)

UL

Fast

0998300.U-1M8

Littelfuse

Electric Fuse

Inline/Holder

70 V

300 A

Tab/Blade

300 kJ

-40 °C (-40 °F)

2.5 kA

500 ms

1.15 in (29.21 mm)

0.75 in (19.05 mm)

0.39 in (9.9 mm)

125 °C (257 °F)

300E-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

300 A

End Cap

80 kA

Hermitically Sealed Part Number

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

CCK300

Littelfuse

Electric Fuse

Inline/Holder

125 V

300 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

KLH300

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

300 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

0298300.UX1M8

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

LCX300E

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

300 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

CNN300E

Littelfuse

Electric Fuse

Inline/Holder

125 V

80 V

300 A

Tab/Blade

2.7 kA

3.181 in (80.8 mm)

3.18 in (80.77 mm)

CUL; UL

Very Fast

300E-2CL-8.25

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

300 A

Tab/Blade

80 kA

7.94 in (201.68 mm)

7.94 x 16.131 in (201.68 x 409.72 mm)

16.131 in (409.72 mm)

Medium

KLPC0300

Littelfuse

Electric Fuse

Inline/Holder

600 V

480 V

300 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

LLSRK300ID

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; UL

Time Delay

CNN300

Littelfuse

Electric Fuse

Inline/Holder

125 V

48 V

300 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

2.43 in (61.72 mm)

UL

Very Fast

0888300.U-1M8

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)

2CM300

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

300 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

153.7011.6302

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

486 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

5NLE2300E

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 17.875 in (162.05 x 454.03 mm)

17.875 in (454.03 mm)

Medium

KLB300

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 V

300 A

Tab/Blade

200 kA

KLB

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

300E2C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

300 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

IDSR300.X

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)

11.626 in (295.3 mm)

CSA; UL

Time Delay

KLA300

Littelfuse

Electric Fuse

Inline/Holder

150 V

100 V

300 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

0CCK300.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

300 A

Tab/Blade

10 kA

1.06 in (26.92 mm)

4.702 in (119.43 mm)

Time Delay

L60S300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 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

LA100P300-4

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

300 A

Tab/Blade

160 J

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

2 in (50.8 mm)

2 x 3.469 in (50.8 x 88.1 mm)

3.469 in (88.1 mm)

UL

Very Fast

LA100P300-4TI

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

300 A

Tab/Blade

160 J

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

2 in (50.8 mm)

Indicator

2 x 3.469 in (50.8 x 88.1 mm)

3.469 in (88.1 mm)

UL

Very Fast

3998300.ZXM10

Littelfuse

Electric Fuse

Surface Mount

80 V

300 A

Wraparound

259.2 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)

KLC300

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 A

Tab/Blade

-55 °C (-67 °F)

200 kA

2 in (50.8 mm)

2 x 2.843 in (50.8 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LCY300ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

300 A

End Cap

80 kA

LCY

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

LCU300ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

300 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

JTD300ID

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

2.126 x 3.374 in (54 x 85.7 mm)

3.374 in (85.7 mm)

CSA; UL

Time Delay

300E-3C-15.5L

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

300 A

End Cap

60 kA

300E-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)

15NLE3-300ES

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

300 A

End Cap

60 kA

Hermitically Sealed Part Number

9.75 in (247.65 mm)

9.75 x 23.875 in (247.65 x 606.43 mm)

23.875 in (606.43 mm)

Medium

153.5395.6302

Littelfuse

Electric Fuse

Inline/Holder

32 V

300 A

Tab/Blade

486 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

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.