5.5 KV Fuses 387

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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

LCY450ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 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

170-6R-1C-5.5X

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

170 A

End Cap

500 A

15 s

3 in (76.2 mm)

Striker

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

40 °C (104 °F)

Medium

30E-1C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

30 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

3E-6PT-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

3 A

End Cap

50 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

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

200E-1C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

200 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

LCL6R

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

170 A

End Cap

500 A

LCL

Rated Breaking Capacity=500A-80000A

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

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)

550-30R-2C-5.5XW

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

550 A

End Cap

2.4 kA

Part Number With Hookeye Attachment

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

LCY175ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

175 A

End Cap

80 kA

LCY

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

150-5R-1BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

150 A

Tab/Blade

390 A

Rated Breaking Capacity=390A-80000A

3 in (76.2 mm)

Indicator

3 x 18 in (76.2 x 457.2 mm)

18 in (457.2 mm)

Medium

LCY80ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

80 A

End Cap

80 kA

LCY

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

5NLE-30EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

30 A

End Cap

80 kA

5NLE-30E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

5NLE-125EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

125 A

End Cap

80 kA

5NLE-125E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

200-9R-1C-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

200 A

End Cap

760 A

15 s

3 in (76.2 mm)

Striker

3 x 15.875 in (76.2 x 403.23 mm)

15.874 in (403.2 mm)

40 °C (104 °F)

Medium

LCY50E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

LCY

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

LCQ10E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

10 A

End Cap

50 kA

LCQ

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

700-38R-3BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

700 A

Tab/Blade

80 kA

18 in (457.2 mm)

Indicator

18 x 18 in (457.2 x 457.2 mm)

18 in (457.2 mm)

Medium

170-6R-1BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

170 A

Tab/Blade

500 A

Rated Breaking Capacity=500A-80000A

3 in (76.2 mm)

Indicator

3 x 18 in (76.2 x 457.2 mm)

18 in (457.2 mm)

Medium

225E-2CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

225 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

10E-1C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

10 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

5NLE-100EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

100 A

End Cap

80 kA

5NLE-100E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

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

LCU100ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

100 A

End Cap

80 kA

LCU

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

150-5R-1C-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

150 A

End Cap

390 A

15 s

3 in (76.2 mm)

Striker

3 x 15.875 in (76.2 x 403.23 mm)

15.874 in (403.2 mm)

40 °C (104 °F)

Medium

5NLE-150EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

150 A

End Cap

80 kA

5NLE-150E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

200E-2C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

200 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

LCU350ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

350 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

480-26R-2C-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

480 A

End Cap

2.1 kA

15 s

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)

40 °C (104 °F)

Medium

5NLE-15EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

15 A

End Cap

80 kA

5NLE-15E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

50E-1C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

LCY30E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

30 A

End Cap

80 kA

LCY

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

125E2C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

125 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

5NLE2-250EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

250 A

End Cap

80 kA

5NLE2-250E

6.378 in (162 mm)

6.378 x 17.874 in (162 x 454 mm)

17.874 in (454 mm)

LCU30E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

30 A

End Cap

80 kA

LCU

3 in (76.2 mm)

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

170-6R-1IB-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

170 A

Tab/Blade

500 A

Rated Breaking Capacity=500A-80000A

3 in (76.2 mm)

Indicator

3 x 18 in (76.2 x 457.2 mm)

18 in (457.2 mm)

Medium

LCY60ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

65 A

End Cap

80 kA

LCY

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

550E-3CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

550 A

Tab/Blade

80 kA

11.56 in (293.62 mm)

11.56 x 16.13 in (293.62 x 409.7 mm)

16.13 in (409.7 mm)

Medium

500E3C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

500 A

End Cap

80 kA

10 m

9.752 in (247.7 mm)

Striker

9.75 x 15.875 in (247.65 x 403.23 mm)

15.874 in (403.2 mm)

Medium

350E-2C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

350 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

550-30R-2C-5.5X

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

550 A

End Cap

2.4 kA

15 s

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)

40 °C (104 °F)

Medium

LCU250ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

250 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

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

500E-3C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

500 A

End Cap

80 kA

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

100-3R-1BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

100 A

Tab/Blade

250 A

Rated Breaking Capacity=250A-80000A

3 in (76.2 mm)

Indicator

3 x 18 in (76.2 x 457.2 mm)

18 in (457.2 mm)

Medium

2E-6PT-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

2 A

End Cap

50 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

450E2C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 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

230-12R-1C-5.5X

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

230 A

End Cap

1 kA

15 s

3 in (76.2 mm)

Striker

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

40 °C (104 °F)

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.