300 V Fuses 1,812

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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

KLLU3000.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 kA

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

5 in (127 mm)

4 in (101.6 mm)

CE; CSA; UL

Time Delay

KLDR2.25T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.25 A

End Cap

200 kA

KLDR

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

FLQ.500T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

500 mA

End Cap

-55 °C (-67 °F)

10 kA

0.406 in (10.31 mm)

500 V

Midget

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA, UL

125 °C (257 °F)

Time Lag

JTD03.5ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

FLQ03.5

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

3.5 A

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

JTD28/10ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

JLLS250

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.594 in (40.5 mm)

1.594 x 1.72 in (40.5 x 43.7 mm)

1.72 in (43.7 mm)

CSA; UL

Fast

FLQ001

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

1 A

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0JTD01.6TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.6 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD1.25TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD080.VXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

80 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.126 in (28.6 mm)

Indicator

2.626 in (66.7 mm)

CSA; UL

Time Delay

0JTD001.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD050.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

50 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

Indicator

2.374 in (60.3 mm)

CSA; UL

Time Delay

0JTD02.5TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD006.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

6 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD020.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD05.6TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5.6 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD03.2TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.2 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD007.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD045.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

Indicator

2.374 in (60.3 mm)

CSA; UL

Time Delay

0JTD002.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD008.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD025.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD012.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

12 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD070.VXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

70 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.126 in (28.6 mm)

Indicator

2.626 in (66.7 mm)

CSA; UL

Time Delay

0JTD015.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

15 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD01.8TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD04.5TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

4.5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD005.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD2.25TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD009.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

9 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD01.5TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD03.5TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.5 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD.800TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

800 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

0JTD035.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

35 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

Indicator

2.374 in (60.3 mm)

CSA; UL

Time Delay

0JTD02.8TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

2.252 in (57.2 mm)

CSA; UL

Time Delay

FLQ025

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

25 A

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

FLSR070ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

70 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.311 in (33.3 mm)

Indicator

1.311 x 7.874 in (33.3 x 200 mm)

7.874 in (200 mm)

CSA; QPL; UL

Time Delay

KLDR.125HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

125 mA

End Cap

700 μJ

Nickel

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

JLLS003.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.563 in (14.3 mm)

600 V

1.5 in (38.1 mm)

CE; CSA; UL

Fast

JLLS800

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

800 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.5 in (63.5 mm)

2.5 x 1.858 in (63.5 x 47.2 mm)

1.858 in (47.2 mm)

UL

Fast

FLSR0.8ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

800 mA

End Cap

200 kA

0.811 in (20.6 mm)

Indicator

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CSA; UL

Time Delay

KLKR030.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

30 A

Tab/Blade

1.72 kJ

Nickel

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Fast

JLLS175.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

175 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.079 in (27.4 mm)

600 V

1.657 in (42.1 mm)

CE; CSA; UL

Fast

LLSRK4.50ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

450 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3.094 in (78.6 mm)

Indicator

3.094 x 13.374 in (78.6 x 339.7 mm)

13.374 in (339.7 mm)

CSA; UL

Time Delay

KLSR200

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

200 A

Tab/Blade

200 kA

KLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.843 in (46.8 mm)

9.626 in (244.5 mm)

CSA; UL

Fast

KLDR03.2

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

3.2 A

End Cap

37.92 J

Nickel

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

KLDR.750HXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

750 mA

End Cap

291.1 mJ

Nickel

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

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.