Fuses

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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

FRN-R-4

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

4 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Box

0.56 in (14.22 mm)

RK5

250 V

0.563 x 2 in (14.3 x 50.8 mm)

2 in (50.8 mm)

CE; CSA; UL

Time Delay

FWH-002A6F

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

2 A

End Cap

1.3 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

FWH-450A

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

450 A

Tab/Blade

24.7 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

2 in (50.8 mm)

2 x 2.09 in (50.8 x 53.09 mm)

2.09 in (53.09 mm)

CE; CSA; UL

FWH-500A

Eaton Corporation

Electric Fuse

Inline/Holder

500 V

500 V

500 A

Tab/Blade

29.2 kJ

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Box

2 in (50.8 mm)

2 x 2.09 in (50.8 x 53.09 mm)

2.09 in (53.09 mm)

CE; CSA; UL

FWP-40A14FI

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

700 V

40 A

End Cap

84 J

200 kA

Rated Breaking Capacity at 700 VDC: 50000 A

0.563 in (14.3 mm)

Indicator

0.563 x 2.008 in (14.3 x 51 mm)

2.008 in (51 mm)

CE; IEC; UL

GMA-500-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

150 mJ

Nickel

35 A

Pre Arcing Time: OPEN within 2 MIN at 200% RATED CURRENT

0.15

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.197 x 0.787 in (5 x 20 mm)

0.787 in (20 mm)

CSA; UL

Fast

JJS-100

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

100 A

Tab/Blade

200 kA

2.953 in (75 mm)

2.953 x 1.642 in (75 x 41.7 mm)

1.642 in (41.7 mm)

CE; CSA; UL

Very Fast

JJS-250

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

250 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

KLDR005.TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5 A

End Cap

63.33 J

Nickel

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

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)

CSA; UL

Time Delay

KLDR005TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

5 A

End Cap

63.33 J

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

KLKR020.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

20 A

Tab/Blade

900 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

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

KRP-C-1800SP

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

1.8 kA

Tab/Blade

Silver

300 kA

Rated Breaking Capacity at 300 VDC: 100000 A

3.5 in (88.9 mm)

L

e4

600 V

3.5 x 3.752 in (88.9 x 95.3 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Delay

KTK-20

Eaton Corporation

Electric Fuse

20 A

End Cap

100 kA

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)

CSA, UL

Fast

MDA-1-2-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

500 mA

End Cap

2.53 J

Nickel

35 A

2 m

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA, UL

Time Delay

MDA-1/2-R

Cooper Industries

Electric Fuse

500 mA

End Cap

35 A

2.53

0.25 in (6.35 mm)

250 V

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA, UL

Time Lag

MDA-12-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

32 V

12 A

End Cap

750 A

Pre Arcing Time: Open within 120 s at 200% Rated Current

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; UL

Time Delay

MEV100A125-4Y

Mersen S A

Electric Fuse

Inline/Holder

1 KV

125 A

Tab/Blade

100 kA

80 ms

Bulk

1.22 in (31 mm)

2.874 in (73 mm)

IATF 16949; UL

MFU0805FF00500P100

Vishay Intertechnology

Electric Fuse

Surface Mount

32 V

500 mA

Wraparound

900 μJ

-55 °C (-67 °F)

Tin Over Nickel

50 A

Tape And Reel, Cardboard, 7 inch

0.079 in (2 mm)

0.049 in (1.25 mm)

e3

32 V

0805

0.079 x 0.049 x 0.018 in (2 x 1.25 x 0.45 mm)

0.018 in (0.45 mm)

UL; UMF

125 °C (257 °F)

Very Fast

S506-3.15-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

3.15 A

End Cap

56 J

Nickel

35 A

96.4

0.205 in (5.2 mm)

250 V

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; IEC; IMQ; SEMKO; UL; VDE

Time Delay

S506-315-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

315 mA

End Cap

410 mJ

Nickel

35 A

0.621

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; IEC; IMQ; SEMKO; UL; VDE

Time Delay

S506-6.3-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

6.3 A

End Cap

270 J

Nickel

35 A

237.6

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; IEC; IMQ; SEMKO; UL; VDE

Time Delay

S506-63-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

63 mA

End Cap

12 mJ

Nickel

35 A

0.021

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; IEC; IMQ; SEMKO; UL; VDE

Time Delay

TPC-75

Eaton Corporation

Electric Fuse

Inline/Holder

80 V

75 A

Tab/Blade

100 kA

Rated Breaking Capacity at 80 VDC: 100000 A

1.846 in (46.89 mm)

0.547 in (13.89 mm)

Alarm

1.846 x 0.547 x 1.824 in (46.89 x 13.89 x 46.34 mm)

1.824 in (46.34 mm)

CE; UL

TR/3216FF500-R

Eaton Corporation

Electric Fuse

Surface Mount

32 V

63 V

500 mA

Wraparound

1.9 mJ

-55 °C (-67 °F)

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

0.0019

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

63 V

1206

0.126 x 0.063 x 0.035 in (3.2 x 1.6 x 0.89 mm)

0.035 in (0.89 mm)

AEC-Q200; CSA; UL

125 °C (257 °F)

Fast

0034.3127

Schurter Ag

Electric Fuse

Inline/Holder

250 V

10 A

End Cap

520 J

-55 °C (-67 °F)

Nickel

100 A

Box

0.205 in (5.2 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CQC, CUL, METI, UL, VDE

125 °C (257 °F)

Time Lag

012010

Legrand

Electric Fuse

Inline/Holder

400 V

10 A

End Cap

-25 °C (-13 °F)

20 kA

Bulk

0.335 in (8.5 mm)

0.335 x 1.24 in (8.5 x 31.5 mm)

1.24 in (31.5 mm)

EN; IEC

40 °C (104 °F)

012301

Legrand

Electric Fuse

Inline/Holder

400 V

1 A

End Cap

-25 °C (-13 °F)

20 kA

Bulk

0.335 in (8.5 mm)

0.315 x 1.26 in (8 x 32 mm)

1.24 in (31.5 mm)

EN; IEC

40 °C (104 °F)

012304

Legrand

Electric Fuse

Inline/Holder

400 V

4 A

End Cap

-25 °C (-13 °F)

20 kA

Bulk

0.335 in (8.5 mm)

0.315 x 1.26 in (8 x 32 mm)

1.24 in (31.5 mm)

EN; IEC

40 °C (104 °F)

012306

Legrand

Electric Fuse

Inline/Holder

400 V

6 A

End Cap

-25 °C (-13 °F)

20 kA

Bulk

0.335 in (8.5 mm)

0.315 x 1.26 in (8 x 32 mm)

1.24 in (31.5 mm)

EN; IEC

40 °C (104 °F)

012316

Legrand

Electric Fuse

Inline/Holder

400 V

16 A

End Cap

-25 °C (-13 °F)

20 kA

Bulk

0.335 in (8.5 mm)

0.315 x 1.26 in (8 x 32 mm)

1.24 in (31.5 mm)

EN; IEC

40 °C (104 °F)

0297002.U

Littelfuse

Electric Fuse

Inline/Holder

32 V

2 A

Tab/Blade

9 J

-40 °C (-40 °F)

Silver

1 kA

30 ms

2.8

0.429 in (10.9 mm)

0.15 in (3.8 mm)

e4

32 V

Mini

0.429 x 0.15 x 0.346 in (10.9 x 3.8 x 8.8 mm)

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0297015.WXT

Littelfuse

Electric Fuse

Inline/Holder

32 V

15 A

Tab/Blade

308 J

-40 °C (-40 °F)

1 kA

30 ms

0.429 in (10.9 mm)

0.15 in (3.8 mm)

32 V

Mini

0.346 in (8.8 mm)

UL

125 °C (257 °F)

0313.010MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

10 mA

End Cap

121 μJ

-60 °C (-76 °F)

Nickel

35 A

5 s

0.0001

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

1.25 x 0.25 in (31.75 x 6.35 mm)

1.25 in (31.75 mm)

CE; CSA; UL

125 °C (257 °F)

Time Lag

0313001.HXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

14 J

-55 °C (-67 °F)

Nickel

35 A

4 h

14

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

0313010.MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

10 A

End Cap

1.285 kJ

-60 °C (-76 °F)

Nickel

200 A

5 s

760

Bulk

0.25 in (6.35 mm)

Supplemental

250 V

3AG

1.25 x 0.25 in (31.75 x 6.35 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Time Lag

043701.5WRA

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.5 A

Wraparound

324 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

1 s

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

1206

0.033 in (0.835 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0438.500WR

Littelfuse

Electric Fuse

Surface Mount

32 V

500 mA

Wraparound

10 mJ

-55 °C (-67 °F)

Matte Tin

50 A

4 h

0.01

Tape And Reel

0.061 in (1.54 mm)

0.033 in (0.85 mm)

e3

63 V

829 mΩ

0603

0.061 x 0.033 x 0.02 in (1.54 x 0.85 x 0.5 mm)

0.02 in (0.5 mm)

CSA; UL

150 °C (302 °F)

Fast

0438.500WRA

Littelfuse

Electric Fuse

Surface Mount

32 V

63 V

500 mA

Wraparound

10 mJ

-55 °C (-67 °F)

Matte Tin

50 A

5 s

Pre Arcing Time: Open within 5 s at 250% Rated Current

Tape And Reel

0.062 in (1.575 mm)

0.033 in (0.85 mm)

32 V

829 mΩ

0603

0.02 in (0.508 mm)

AEC-Q200; CSA; CUL; UL

150 °C (302 °F)

Fast

0440004.WR

Littelfuse

Electric Fuse

Surface Mount

32 V

32 V

4 A

Wraparound

2.601 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

4 h

0.07

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

32 V

1206

0.126 x 0.064 x 0.032 in (3.2 x 1.63 x 0.82 mm)

0.032 in (0.82 mm)

CSA; UL

150 °C (302 °F)

0448015.MR

Littelfuse

Electric Fuse

Surface Mount

65 V

85 V

15 A

Wraparound

78.4 J

-55 °C (-67 °F)

Gold

50 A

20 s

Rated Breaking Capacity at 85 VDC: 200 A

96.1

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

85 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; UL

125 °C (257 °F)

Very Fast

044801.5MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.5 A

Wraparound

900 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.9

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0451003.MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

3 A

Wraparound

1.65 J

-55 °C (-67 °F)

Gold

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; CUL; PSE; UL

125 °C (257 °F)

Very Fast

0498050.M

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

13 kJ

-40 °C (-40 °F)

Tin

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

e3

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

Time Delay

0685T2500-01

Bel Fuse

Electric Fuse

Surface Mount

63 V

63 V

2.5 A

Wraparound

1.07 J

-55 °C (-67 °F)

Tin Over Nickel

50 A

2 ms

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.062 in (1.58 mm)

e3

63 V

1206

0.025 in (0.63 mm)

AEC-Q200; TUV; UL

125 °C (257 °F)

Slow

0JTD125.X

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

170M4460

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

315 A

Tab/Blade

6.2 kJ

200 kA

Box

2.087 in (53 mm)

2.087 in (53 mm)

Indicator

2.087 x 2.087 x 1.969 in (53 x 53 x 50 mm)

1.969 in (50 mm)

CE; IEC; UL

326.010P

Littelfuse

Electric Fuse

Inline/Holder

250 V

10 mA

End Cap

1.48 mJ

Tin

100 A

326

0.25 in (6.35 mm)

e3

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

Slow

326010P

Littelfuse

Electric Fuse

Inline/Holder

250 V

10 A

End Cap

137 J

-65 °C (-85 °F)

Nickel

400 A

4 h

137

0.25 in (6.35 mm)

250 V

3AB

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CE; CSA; PSE; UL

125 °C (257 °F)

Slow

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.