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

390-18R-2B-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

390 A

Tab/Blade

1.5 kA

390-18R-2B-2.75

Rated Breaking Capacity=1500A-80000A

7.4 in (187.96 mm)

Indicator

7.4 x 13 in (187.96 x 330.2 mm)

13 in (330.2 mm)

Medium

150E-1C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

150 A

End Cap

80 kA

150E-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)

80E-1C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

80 A

End Cap

80 kA

80E-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)

LCK6RS

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

170 A

End Cap

500 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

225E-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

225 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

50E-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

50 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

LCX200ES

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

200 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

LCK12R

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

230 A

End Cap

1 kA

LCK

Rated Breaking Capacity=1000A-80000A

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-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

150 A

End Cap

390 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

65E-1C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

65 A

End Cap

80 kA

65E-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)

70-2R-1C-2.75W

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

70 A

End Cap

170 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

70-2R-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

70 A

End Cap

170 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

15E1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

15 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

LCK3RW

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

100 A

End Cap

250 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

450-24R-2B-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

Tab/Blade

1.95 kA

Rated Breaking Capacity=1950A-80000A

7.4 in (187.96 mm)

Indicator

7.4 x 13 in (187.96 x 330.2 mm)

13 in (330.2 mm)

Medium

LCX400ES

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

400 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

200E-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

200 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

40E-1C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

40 A

End Cap

80 kA

40E-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)

LCX150E

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

150 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

100-3R-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

100 A

End Cap

250 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

1E-8PT-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

1 A

End Cap

37.5 kA

1.563 in (39.69 mm)

1.563 x 9.5 in (39.69 x 241.3 mm)

9.5 in (241.3 mm)

Medium

350E2C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

350 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

170-6R-1B-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

170 A

Tab/Blade

500 A

Rated Breaking Capacity=500A-80000A

3 in (76.2 mm)

Indicator

3 x 13 in (76.2 x 330.2 mm)

13 in (330.2 mm)

Medium

LCX250ES

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

250 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

LCK3R

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

100 A

End Cap

250 A

LCK

Rated Breaking Capacity=250A-80000A

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

LCK12RW

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

230 A

End Cap

1 kA

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

350E-2C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

350 A

End Cap

80 kA

350E-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)

70-2R-1IB-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

LCX80E

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

80 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

130-4R-1B-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

130 A

Tab/Blade

240 A

Rated Breaking Capacity=240A-80000A

3 in (76.2 mm)

Indicator

3 x 13 in (76.2 x 330.2 mm)

13 in (330.2 mm)

Medium

200-9R-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

200 A

End Cap

760 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

125E-1C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

125 A

End Cap

80 kA

125E-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)

100-3R-1B-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

100 A

Tab/Blade

250 A

Rated Breaking Capacity=250A-80000A

3 in (76.2 mm)

Indicator

3 x 13 in (76.2 x 330.2 mm)

13 in (330.2 mm)

Medium

125E-2C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

125 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

225E-2C-2.75L

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

225 A

End Cap

80 kA

225E-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)

200-9R-1C-2.75W

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

200 A

End Cap

760 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

LCX175ES

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

175 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

20E-1C-2.75S

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

20 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

LCK4R

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

130 A

End Cap

340 A

LCK

Rated Breaking Capacity=340A-80000A

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

20E1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

20 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

130-4R-1C-2.75W

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

130 A

End Cap

340 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

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

150-5R-1C-2.75W

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

150 A

End Cap

390 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

LCK24RS

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

450 A

End Cap

1.95 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

80E1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

80 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

390-18R-2C-2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

390 A

End Cap

1.5 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

LCX80ES

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

80 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-1IB-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

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.