500 V Fuses 573

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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

FWP-40A22F

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

500 V

40 A

End Cap

68 J

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

0.874 in (22.2 mm)

0.874 x 2.283 in (22.2 x 58 mm)

2.283 in (58 mm)

IEC; UL

C14G40

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

40 A

End Cap

120 kA

C14

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

IEC

AJT600

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

600 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

2.52 in (64 mm)

Indicator

2.52 x 3.74 in (64 x 95 mm)

7.992 in (203 mm)

Time Delay

AJT600EI

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

600 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

Indicator

3.614 in (91.8 mm)

3.614 in (91.8 mm)

UL

Time Delay

AJT600N

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

600 A

Tab/Blade

200 kA

2.52 in (64 mm)

7.992 in (203 mm)

CSA; IEC; UL

Time Delay

FNQ-15

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

15 A

End Cap

Nickel

10 kA

Bulk

0.406 in (10.3 mm)

CC

500 V

Midget

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Time Delay

AJT125

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

125 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

1.614 in (41 mm)

Indicator

1.614 x 2.992 in (41 x 76 mm)

5.748 in (146 mm)

Time Delay

AJT200

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

200 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

1.614 in (41 mm)

Indicator

1.614 x 2.992 in (41 x 76 mm)

5.748 in (146 mm)

Time Delay

FNQ-12

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

12 A

End Cap

10 kA

Bulk

0.406 in (10.3 mm)

CC

500 V

Midget

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Time Delay

7012540.5

Siba

Electric Fuse

Inline/Holder

600 V

500 V

5 A

End Cap

10 J

Nickel

50 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

0.25 in (6.35 mm)

1 ms

0.25 x 1.252 in (6.35 x 31.8 mm)

1.252 in (31.8 mm)

CUL; UL

Very Fast

7012540.5IP

Siba

Electric Fuse

Inline/Holder

600 V

500 V

5 A

End Cap

10 J

Nickel

50 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

0.25 in (6.35 mm)

1 ms

0.25 x 1.252 in (6.35 x 31.8 mm)

1.252 in (31.8 mm)

CUL; UL

Very Fast

AJT200N

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

200 A

Tab/Blade

200 kA

1.614 in (41 mm)

5.748 in (146 mm)

CSA; IEC; UL

Time Delay

AJT125N

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

125 A

Tab/Blade

200 kA

1.614 in (41 mm)

5.748 in (146 mm)

CSA; IEC; UL

Time Delay

AJT125EI

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

125 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

Indicator

3.22 in (81.8 mm)

3.22 in (81.8 mm)

UL

Time Delay

AJT125/400

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

125 A

Tab/Blade

200 kA

2.126 in (54 mm)

J

600 V

2.126 x 7.126 in (54 x 181 mm)

7.126 in (181 mm)

IEC, UL

Time Lag

AJT200/400

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

200 A

Tab/Blade

200 kA

2.126 in (54 mm)

J

600 V

7.126 in (181 mm)

IEC, UL

Time Lag

AJT200EI

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

200 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

Indicator

3.236 in (82.2 mm)

3.22 in (81.8 mm)

UL

Time Delay

AJT150

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

150 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

1.614 in (41 mm)

Indicator

1.614 x 2.992 in (41 x 76 mm)

5.748 in (146 mm)

Time Delay

0AKRBK250-BB

Bel Fuse

Electric Fuse

Inline/Holder

500 V

250 A

Tab/Blade

-40 °C (-40 °F)

Tin

50 kA

Bulk

1.929 in (49 mm)

1.457 in (37 mm)

e3

0.945 in (24 mm)

105 °C (221 °F)

FNQ-7

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

7 A

End Cap

Nickel

10 kA

Bulk

0.406 in (10.3 mm)

CC

500 V

Midget

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Time Delay

FWH-300A

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

300 A

Tab/Blade

9.8 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

1.5 in (38.1 mm)

1.5 x 2.09 in (38.1 x 53.09 mm)

2.09 in (53.09 mm)

CE; CSA; UL

FWP-63A22F

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

500 V

63 A

End Cap

280 J

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

0.874 in (22.2 mm)

0.874 x 2.283 in (22.2 x 58 mm)

2.283 in (58 mm)

IEC; UL

FWH-30A14F

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

30 A

End Cap

232 J

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

0.563 in (14.3 mm)

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CE; CSA; UL

FWH-700A

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

700 A

Tab/Blade

55 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

2.5 in (63.5 mm)

2.5 x 2.09 in (63.5 x 53.09 mm)

2.09 in (53.09 mm)

CE; CSA; UL

FNQ-3-2/10

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

3.2 A

End Cap

Nickel

10 kA

Bulk

0.41 in (10.41 mm)

CC

500 V

Midget

0.41 x 1.5 in (10.41 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Time Delay

0JTD125.XXID

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)

Indicator

3 in (76.2 mm)

CSA; UL

Time Delay

CCMR020.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

20 A

End Cap

918 J

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-10

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

10 A

End Cap

Nickel

10 kA

Bulk

0.406 in (10.3 mm)

CC

500 V

Midget

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Time Delay

JTD125ID

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)

Indicator

1.626 x 3 in (41.3 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

C10G1

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

1 A

End Cap

120 kA

C10

0.394 in (10 mm)

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

IEC

FWH-200B

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

200 A

Tab/Blade

1.9 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

1.156 in (29.36 mm)

1.156 x 1.836 in (29.36 x 46.63 mm)

1.836 in (46.63 mm)

CE; CSA; UL

FWH-350A

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

350 A

Tab/Blade

14.5 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

1.5 in (38.1 mm)

1.5 x 2.09 in (38.1 x 53.09 mm)

2.09 in (53.09 mm)

CE; CSA; UL

0JTD200.XXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

200 A

Tab/Blade

159 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

1.5 in (38.1 mm)

600 V

Indicator

3 in (76.2 mm)

CSA; UL

Time Delay

FNQ-1

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

1 A

End Cap

Nickel

10 kA

Bulk

0.406 in (10.3 mm)

CC

500 V

Midget

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Time Delay

FNQ-3-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

3.5 A

End Cap

Nickel

10 kA

Bulk

0.41 in (10.41 mm)

CC

500 V

Midget

0.41 x 1.5 in (10.41 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Time Delay

L50QS100.T

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

100 A

Tab/Blade

905 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Bulk

1 in (25.4 mm)

500 V

10 ms

2.125 in (53.98 mm)

CE; CUL; UL

125 °C (257 °F)

Very Fast

FWP-32A22F

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

500 V

32 A

End Cap

55 J

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

0.874 in (22.2 mm)

0.874 x 2.283 in (22.2 x 58 mm)

2.283 in (58 mm)

IEC; UL

FWH-3.15A6F

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

3.15 A

End Cap

7.7 J

50 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

0.252 in (6.4 mm)

0.252 x 1.252 in (6.4 x 31.8 mm)

1.252 in (31.8 mm)

CE; CSA; UL

0AKRBK400-BB

Bel Fuse

Electric Fuse

Inline/Holder

500 V

400 A

Tab/Blade

-40 °C (-40 °F)

Tin

50 kA

Bulk

1.929 in (49 mm)

1.457 in (37 mm)

e3

0.945 in (24 mm)

105 °C (221 °F)

7012540.1,6

Siba

Electric Fuse

Inline/Holder

700 V

500 V

1.6 A

End Cap

310 mJ

Nickel

50 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

0.25 in (6.35 mm)

1 ms

0.25 x 1.252 in (6.35 x 31.8 mm)

1.252 in (31.8 mm)

CUL; UL

Very Fast

AJT150/400

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

150 A

Tab/Blade

200 kA

2.126 in (54 mm)

J

600 V

7.126 in (181 mm)

IEC, UL

Time Lag

AJT150EI

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

150 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

Indicator

3.22 in (81.8 mm)

3.22 in (81.8 mm)

UL

Time Delay

AJT150N

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

150 A

Tab/Blade

200 kA

1.614 in (41 mm)

5.748 in (146 mm)

CSA; IEC; UL

Time Delay

FNQ-5

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

5 A

End Cap

Nickel

10 kA

Bulk

0.406 in (10.3 mm)

CC

500 V

Midget

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE, CSA, UL

Time Delay

KTK-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

500 mA

End Cap

Nickel

100 kA

KTK

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; CSA; UL

Fast

AJT250

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

250 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

AJT250EI

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

Indicator

3.236 in (82.2 mm)

3.236 in (82.2 mm)

UL

Time Delay

AJT250N

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; IEC; 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.