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

LCL4R

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

130 A

End Cap

340 A

LCL

Rated Breaking Capacity=340A-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-1IB-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

LCY250E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

250 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

5NLE10E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

10 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

390-18R-2C-5.5XW

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

390 A

End Cap

1.5 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

LCY400E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

400 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

100-3R-1IB-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

390-18R-2C-5.5X

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 17.875 in (162.05 x 454.03 mm)

17.875 in (454.03 mm)

40 °C (104 °F)

Medium

230-12R-1B-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

230 A

Tab/Blade

1 kA

Rated Breaking Capacity=1000A-80000A

3 in (76.2 mm)

Indicator

3 x 18 in (76.2 x 457.2 mm)

18 in (457.2 mm)

Medium

600-32R-3C-5.5W

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

600 A

End Cap

2.6 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

LCU175ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

175 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

450-24R-2C-5.5W

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

1.95 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

LCU400E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

400 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

5NLE150E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

150 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

600-32R-2C-5.5W

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

600 A

End Cap

2.6 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

170-6R-1B-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

170-6R-1C-5.5W

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

170 A

End Cap

500 A

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

LCU450ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 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

LCY40E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 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

500E-3CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

500 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

LCU250E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

250 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

40E1C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 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

LCL3RW

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

100 A

End Cap

250 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

600-32R-2BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

600 A

Tab/Blade

2.65 kA

Rated Breaking Capacity=2650A-80000A

7.6 in (193.04 mm)

Indicator

7.6 x 18 in (193.04 x 457.2 mm)

18 in (457.2 mm)

Medium

550-30R-2IB-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

550 A

Tab/Blade

2.4 kA

Rated Breaking Capacity=2400A-80000A

18 in (457.2 mm)

Indicator

18 x 18 in (457.2 x 457.2 mm)

18 in (457.2 mm)

Medium

550E3C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

550 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

5NLE175E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

175 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

350E2C5.5

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 15.875 in (162.05 x 403.23 mm)

15.874 in (403.2 mm)

Medium

30E1C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

30 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

LCU125E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

125 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

5NLE-65EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

65 A

End Cap

80 kA

5NLE-65E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

600-32R-2B-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

600 A

Tab/Blade

2.65 kA

Rated Breaking Capacity=2650A-80000A

8.4 in (213.36 mm)

Indicator

8.4 x 18 in (213.36 x 457.2 mm)

18 in (457.2 mm)

Medium

40E-1CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

40 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

650-36R-2C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

650 A

End Cap

2.9 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

5NLE-20EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

20 A

End Cap

80 kA

5NLE-20E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

LCL36R

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

650 A

End Cap

2.9 kA

LCL

Rated Breaking Capacity=2900A-80000A

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

LCL6RS

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

170 A

End Cap

500 A

LCL

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

LCY30ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

30 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

450-24R-2C-5.5XW

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

450 A

End Cap

1.95 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

LCQ3E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

3 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

1/2E-8PT-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

500 mA

End Cap

50 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

5NLE2400E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

400 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

25E-1C-5.5L

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

25 A

End Cap

80 kA

25E-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)

125E-1C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

125 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

480-26R-2C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

480 A

End Cap

2.1 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

25E-1C-5.5S

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

25 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

70-2R-1B-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

390-18R-2IB-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

390 A

Tab/Blade

1.5 kA

390-18R-2IB-5.5

Rated Breaking Capacity=1500A-80000A

18 in (457.2 mm)

Indicator

18 x 18 in (457.2 x 457.2 mm)

18 in (457.2 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.