600 V Fuses 2,400+

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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

AJT400

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

400 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

2.126 in (54 mm)

Indicator

2.126 x 3.346 in (54 x 85 mm)

7.126 in (181 mm)

Time Delay

AJT400N

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

400 A

Tab/Blade

200 kA

2.126 in (54 mm)

7.126 in (181 mm)

CSA; IEC; UL

Time Delay

AJT80N

Mersen S A

Electric Fuse

Inline/Holder

600 V

400 V

80 A

Tab/Blade

200 kA

1.063 in (27 mm)

4.606 in (117 mm)

CSA; IEC; UL

Time Delay

ATMR5

Mersen S A

Electric Fuse

Inline/Holder

600 V

600 V

5 A

End Cap

200 kA

Rated Breaking Capacity = 6.75A-10kA

Bulk

0.409 in (10.4 mm)

0.409 x 1.5 in (10.4 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Fast

ATQR3/4

Mersen S A

Electric Fuse

Inline/Holder

600 V

750 mA

End Cap

200 kA

0.409 in (10.4 mm)

0.409 x 1.5 in (10.4 x 38.1 mm)

1.5 in (38.1 mm)

CSA, CE, UL

80 °C (176 °F)

Time Delay

BBS-4/10

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

400 mA

End Cap

10 kA

0.41 in (10.41 mm)

600 V

0.41 x 1.38 in (10.41 x 35.05 mm)

1.38 in (35.05 mm)

CE, CSA, UL

Fast

CCMR03.5TXP

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

0.406 in (10.3 mm)

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

CP4/0C1-HS

Mersen S A

Electric Fuse

Inline/Holder

600 V

Tab/Blade

200 kA

7.087 in (180 mm)

UL

ECSR100

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

100 A

Tab/Blade

200 kA

10 s

Pre Arcing Time: Open within 10 s at 500% Rated Current

Bulk

0.044 in (1.11 mm)

0.31 in (7.88 mm)

CE; CUL; UL

Time Delay

HSJ25

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

25 A

End Cap

200 kA

0.827 in (21 mm)

2.244 in (57 mm)

CSA; UL

HSJ250

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

250 A

Tab/Blade

200 kA

2.126 in (54 mm)

7.126 in (181 mm)

CSA; UL

JJS-35

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

35 A

End Cap

200 kA

0.811 in (20.6 mm)

0.811 x 1.563 in (20.6 x 39.7 mm)

1.563 in (39.7 mm)

CE; CSA; UL

Very Fast

JKS-200

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

200 A

Tab/Blade

200 kA

1.63 in (41.4 mm)

J

600 V

1.63 x 3 in (41.4 x 76.2 mm)

3 in (76.2 mm)

CE; CSA; UL

Fast

JLLS125.XXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

125 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

JLLS250.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.594 in (40.5 mm)

1.713 in (43.5 mm)

CE; CSA; UL

Fast

JTD1.25

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)

2.252 in (57.2 mm)

CSA; UL

Time Delay

JTD125

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

125 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

1.5 in (38.1 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

JTD2.25

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)

2.252 in (57.2 mm)

CSA; UL

Time Delay

JTD225

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

225 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

2 in (50.8 mm)

3.374 in (85.7 mm)

CSA; UL

Time Delay

KLDR.125TXP

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

KLDR025.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

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

KLDR02.5T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

2.5 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

KLDR1.25TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.25 A

End Cap

436.7 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

KLDR17.5TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

17.5 A

End Cap

87.5 J

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

KLM-3/10

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

600 V

300 mA

End Cap

100 kA

Bulk

0.406 in (10.3 mm)

CC

600 V

Midget

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Fast

KTK-R-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

2.5 A

End Cap

Nickel

200 kA

Box

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Fast

KTK-R-30

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

30 A

End Cap

Nickel

200 kA

Box

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Fast

KTK-R-7

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

7 A

End Cap

Nickel

200 kA

Box

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Fast

LP-CC-4-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

150 V

4.5 A

End Cap

200 kA

Rated Breaking Capacity at 150 VDC: 20000 A

Box

0.394 in (10 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.496 in (38 mm)

CE; CSA; UL

Time Delay

LPJ-350SPI

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

350 A

Tab/Blade

300 kA

Rated Breaking Capacity at 300 VDC: 100000 A

Box

2.11 in (53.6 mm)

J

600 V

Indicator

2.11 x 1.508 in (53.6 x 38.3 mm)

1.508 in (38.3 mm)

CE; CSA; UL

Time Delay

LPJ-4SP

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

4 A

End Cap

300 kA

Rated Breaking Capacity at 300 VDC: 100000 A

0.811 in (20.6 mm)

J

600 V

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CE; CSA; UL

Time Delay

LPJ-500SPI

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

500 A

Tab/Blade

300 kA

Rated Breaking Capacity at 300 VDC: 100000 A

Box

2.598 in (66 mm)

J

600 V

Indicator

2.598 x 1.52 in (66 x 38.6 mm)

1.52 in (38.6 mm)

CE; CSA; UL

Time Delay

SPFJ200.XXL

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

200 A

Tab/Blade

79.642 kJ

20 kA

10 m

Rated Breaking Capacity at 1000 VDC: 20000 A

Bulk

1.5 in (38.1 mm)

Midget

3.012 in (76.5 mm)

CE; IEC; UL; VDE

SPFJ250.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

1 KV

250 A

Tab/Blade

85.9 kJ

200 kA

12 m

Rated Breaking Capacity at 1000 VDC: 20000 A

Bulk

2 in (50.8 mm)

Midget

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; IEC; UL; VDE

0JTD400.XXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

400 A

Tab/Blade

1.055 MJ

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

2 in (50.8 mm)

600 V

Indicator

3.374 in (85.7 mm)

CSA; UL

Time Delay

AJT300/600

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

300 A

Tab/Blade

200 kA

2.52 in (64 mm)

J

600 V

7.992 in (203 mm)

IEC, UL

Time Lag

ATDR6-1/4

Mersen S A

Electric Fuse

Inline/Holder

600 V

300 V

6.25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 100000 A

0.409 in (10.4 mm)

0.409 x 1.5 in (10.4 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

ATQR8

Mersen S A

Electric Fuse

Inline/Holder

600 V

300 V

8 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 100000 A

0.409 in (10.4 mm)

0.409 x 1.5 in (10.4 x 38.1 mm)

1.5 in (38.1 mm)

CSA, CE, UL

80 °C (176 °F)

Time Delay

CCMR007.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

7 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

FNQ-R-6/10

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

600 mA

End Cap

Nickel

200 kA

Box

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

FRS-R-12

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

12 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Box

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CE; CSA; UL

Time Delay

FRS-R-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Box

0.811 in (20.6 mm)

0.811 x 5 in (20.6 x 127 mm)

5 in (127 mm)

CE; CSA; UL

Time Delay

FWC-6A10F

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

700 V

6 A

End Cap

4 J

200 kA

Rated Breaking Capacity at 700 VDC: 50000 A

Box

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; UL

JDL150

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

150 A

300 kA

JDL

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; UL

Time Delay

JJS-300

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 A

Tab/Blade

200 kA

3.626 in (92.1 mm)

3.626 x 1.736 in (92.1 x 44.1 mm)

1.736 in (44.1 mm)

CE; CSA; UL

Very Fast

JKS-400

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

400 A

Tab/Blade

200 kA

2.11 in (53.6 mm)

J

600 V

2.11 x 1.508 in (53.6 x 38.3 mm)

1.508 in (38.3 mm)

CE; CSA; UL

Fast

JLLS125.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

125 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

KLDR.500TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

500 mA

End Cap

87.7 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.