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

550-30R-3C-5.5W

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

550 A

End Cap

2.4 kA

Part Number With Hookeye Attachment

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

175E-1C-5.5L

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

175 A

End Cap

80 kA

175E-1C-5.5

3 in (76.2 mm)

3 x 15.874 in (76.2 x 403.2 mm)

15.874 in (403.2 mm)

20E1C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

20 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 15.875 in (76.2 x 403.23 mm)

15.874 in (403.2 mm)

Medium

390-18R-2C-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

390 A

End Cap

1.5 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

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

LCY40ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 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

30E-1CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

30 A

Tab/Blade

80 kA

4.75 in (120.65 mm)

4.75 x 15.13 in (120.65 x 384.3 mm)

15.13 in (384.3 mm)

Medium

LCL24R

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

1.95 kA

LCL

Rated Breaking Capacity=1950A-80000A

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

70-2R-1BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

70 A

Tab/Blade

170 A

Rated Breaking Capacity=170A-80000A

3 in (76.2 mm)

Indicator

3 x 18 in (76.2 x 457.2 mm)

18 in (457.2 mm)

Medium

450-24R-2IB-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

Tab/Blade

1.95 kA

Rated Breaking Capacity=1950A-80000A

18 in (457.2 mm)

Indicator

18 x 18 in (457.2 x 457.2 mm)

18 in (457.2 mm)

Medium

65E1C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

65 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 15.875 in (76.2 x 403.23 mm)

15.874 in (403.2 mm)

Medium

600-32R-3BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

600 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

LCQ1E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

1 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

20E-1C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

20 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

LCU200E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

200 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

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

5NLE2-450ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 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

LCL18R

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

390 A

End Cap

1.5 kA

LCL

Rated Breaking Capacity=1500A-80000A

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

150-5R-1C-5.5XW

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

150 A

End Cap

390 A

Part Number With Hookeye Attachment

3 in (76.2 mm)

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

600-32R-3C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

600 A

End Cap

2.6 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

600E-3C-5.5L

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

660 A

End Cap

80 kA

600E-3C-5.5

9.748 in (247.6 mm)

9.748 x 15.874 in (247.6 x 403.2 mm)

15.874 in (403.2 mm)

100E-1C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

100 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

1E-6PT-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

1 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

LCL3R

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

100 A

End Cap

250 A

LCL

Rated Breaking Capacity=250A-80000A

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

200-9R-1BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

200 A

Tab/Blade

760 A

Rated Breaking Capacity=760A-80000A

3 in (76.2 mm)

Indicator

3 x 18 in (76.2 x 457.2 mm)

18 in (457.2 mm)

Medium

450-24R-2B-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

Tab/Blade

1.95 kA

Rated Breaking Capacity=1950A-80000A

7.4 in (187.96 mm)

Indicator

7.4 x 18 in (187.96 x 457.2 mm)

18 in (457.2 mm)

Medium

LCY350E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

350 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

175E-1C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

175 A

End Cap

80 kA

175E-1C-5.5

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-175ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

175 A

End Cap

80 kA

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

550-30R-3C-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

550 A

End Cap

2.4 kA

15 s

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)

40 °C (104 °F)

Medium

50E-1C-5.5L

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

50E-1C-5.5

3 in (76.2 mm)

3 x 15.874 in (76.2 x 403.2 mm)

15.874 in (403.2 mm)

550-30R-3BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

550 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

5NLE2-400ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

400 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

LCL4RW

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

130 A

End Cap

340 A

LCL

Part Number With Hookeye Attachment

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

650-36R-3C-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

650 A

End Cap

2.9 kA

15 s

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)

40 °C (104 °F)

Medium

LCL24RW

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

1.95 kA

LCL

Part Number With Hookeye Attachment

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

650-36R-2C-5.5W

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

650 A

End Cap

2.9 kA

Part Number With Hookeye Attachment

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

LCU200ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

200 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

LCU50E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 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

650-36R-2IB-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

650 A

Tab/Blade

2.9 kA

Rated Breaking Capacity=2900A-80000A

18 in (457.2 mm)

Indicator

18 x 18 in (457.2 x 457.2 mm)

18 in (457.2 mm)

Medium

450-24R-2C-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

1.95 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

5NLE200E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

200 A

End Cap

80 kA

10 m

3 in (76.2 mm)

Striker

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

200-9R-1C-5.5XW

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

200 A

End Cap

760 A

Part Number With Hookeye Attachment

3 in (76.2 mm)

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

5NLE-200ES

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 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

LCY125ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

125 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

450E-2CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 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

5NLE20E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

20 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

5NLE2350E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

350 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

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.