2.75 KV Fuses 180

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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

LCK2RS

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

70 A

End Cap

170 A

LCK

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

2E-4PT-2.4

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

3 A

End Cap

37 kA

0.813 in (20.64 mm)

0.813 x 4.6 in (20.64 x 116.84 mm)

4.6 in (116.84 mm)

Medium

175E-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

175 A

End Cap

80 kA

175E-2C-2.75

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

LCX40ES

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

40 A

End Cap

80 kA

LCX

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

150-5R-1B-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

150 A

Tab/Blade

390 A

Rated Breaking Capacity=390A-80000A

3 in (76.2 mm)

Indicator

3 x 13 in (76.2 x 330.2 mm)

13 in (330.2 mm)

Medium

450-24R-2C-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

End Cap

1.95 kA

15 s

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)

40 °C (104 °F)

Medium

25E1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

25 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 10.875 in (76.2 x 276.23 mm)

10.874 in (276.2 mm)

Medium

70-2R-1B-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

70 A

Tab/Blade

170 A

Rated Breaking Capacity=170A-80000A

3 in (76.2 mm)

Indicator

3 x 13 in (76.2 x 330.2 mm)

13 in (330.2 mm)

Medium

150E1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

150 A

End Cap

80 kA

10 m

6.382 in (162.1 mm)

Striker

3 x 10.875 in (76.2 x 276.23 mm)

10.874 in (276.2 mm)

Medium

230-12R-1IB-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

230 A

Tab/Blade

1 kA

Rated Breaking Capacity=1000A-80000A

3 in (76.2 mm)

Indicator

3 x 13 in (76.2 x 330.2 mm)

13 in (330.2 mm)

Medium

200E-2C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

200 A

End Cap

80 kA

200E-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)

15E-1C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

15 A

End Cap

80 kA

15E-1C-2.75

3 in (76.2 mm)

3 x 10.874 in (76.2 x 276.2 mm)

10.874 in (276.2 mm)

LCX10E

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

10 A

End Cap

80 kA

LCX

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

125E2C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

125 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

100E-1C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

100 A

End Cap

80 kA

100E-1C-2.75

3 in (76.2 mm)

3 x 10.874 in (76.2 x 276.2 mm)

10.874 in (276.2 mm)

390-18R-2IB-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

390 A

Tab/Blade

1.5 kA

390-18R-2IB-2.75

Rated Breaking Capacity=1500A-80000A

13 in (330.2 mm)

Indicator

13 x 13 in (330.2 x 330.2 mm)

13 in (330.2 mm)

Medium

LCK9R

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

200 A

End Cap

760 A

LCK

Rated Breaking Capacity=760A-80000A

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

50E-1C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

50 A

End Cap

80 kA

50E-1C-2.75

3 in (76.2 mm)

3 x 10.874 in (76.2 x 276.2 mm)

10.874 in (276.2 mm)

200E1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

200 A

End Cap

80 kA

10 m

6.382 in (162.1 mm)

Striker

3 x 10.875 in (76.2 x 276.23 mm)

10.874 in (276.2 mm)

Medium

230-12R-1C-2.75W

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

230 A

End Cap

1 kA

Part Number With Hookeye Attachment

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

175E-2C-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

175 A

End Cap

80 kA

175E-2C-2.75

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

130-4R-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

130 A

End Cap

340 A

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

450-24R-2IB-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

Tab/Blade

1.95 kA

Rated Breaking Capacity=1950A-80000A

13 in (330.2 mm)

Indicator

13 x 13 in (330.2 x 330.2 mm)

13 in (330.2 mm)

Medium

230-12R-1C-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

230 A

End Cap

1 kA

15 s

3 in (76.2 mm)

Striker

3 x 10.875 in (76.2 x 276.23 mm)

10.874 in (276.2 mm)

40 °C (104 °F)

Medium

450-24R-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

End Cap

1.95 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

40E-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

40 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

350E-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

350 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

125E1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

125 A

End Cap

80 kA

10 m

6.382 in (162.1 mm)

Striker

3 x 10.875 in (76.2 x 276.23 mm)

10.874 in (276.2 mm)

Medium

400E-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

400 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

200E-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

200 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

250E-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

250 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

LCK4RW

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

130 A

End Cap

340 A

LCK

Part Number With Hookeye Attachment

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

30E-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

30 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

175E-2C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

175 A

End Cap

80 kA

175E-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)

LCK6R

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

170 A

End Cap

500 A

LCK

Rated Breaking Capacity=500A-80000A

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

250E-2C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

250 A

End Cap

80 kA

250E-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)

LCK9RS

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

200 A

End Cap

760 A

LCK

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

3E-6PT-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

3 A

End Cap

37.5 kA

1.563 in (39.69 mm)

1.563 x 7.4 in (39.69 x 187.96 mm)

7.4 in (187.96 mm)

Medium

LCX30ES

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

30 A

End Cap

80 kA

LCX

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

LCK3RS

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

100 A

End Cap

250 A

LCK

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

LCK18R

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

390 A

End Cap

1.5 kA

LCK

Rated Breaking Capacity=1500A-80000A

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

LCK24RW

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

End Cap

1.95 kA

LCK

Part Number With Hookeye Attachment

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

LCK24R

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

End Cap

1.95 kA

LCK

Rated Breaking Capacity=1950A-80000A

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

LCK18RS

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

390 A

End Cap

1.5 kA

LCK

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

170-6R-1C-2.75W

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

170 A

End Cap

500 A

Part Number With Hookeye Attachment

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

LCK4RS

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

130 A

End Cap

340 A

LCK

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

100E-1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

100 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 10.875 in (76.2 x 276.23 mm)

10.874 in (276.2 mm)

Medium

LCX200E

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

200 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

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.