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

0437004.WR

Littelfuse

Electric Fuse

Surface Mount

45 V

63 V

4 A

Wraparound

1.024 J

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

1 s

1.024

Tape And Reel

0.126 in (3.2 mm)

0.064 in (1.63 mm)

e3

35 V

1206

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

0.033 in (0.835 mm)

CSA; CUL; UL

150 °C (302 °F)

Fast

0443005.DRLC

Littelfuse

Electric Fuse

Surface Mount

280 V

5 A

Wraparound

180.6 J

-55 °C (-67 °F)

50 A

2 m

Pre Arcing Time: Open within 120 s at 250% Rated Current

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

Nano

0.123 in (3.12 mm)

CUL; UL

125 °C (257 °F)

Slow

0481.500HXL

Littelfuse

Electric Fuse

Inline/Holder

125 V

125 V

500 mA

End Cap

490 mJ

-55 °C (-67 °F)

40 A

5 m

0.839 in (21.3 mm)

0.228 in (5.8 mm)

125 V

Alarm; Indicator

0.772 in (19.6 mm)

CSA; UL

125 °C (257 °F)

Fast

0683-2000-01

Bel Fuse

Electric Fuse

Surface Mount

250 V

2 A

Wraparound

-55 °C (-67 °F)

Gold with Nickel barrier

150 A

Tape And Reel, 13 inch

0.476 in (12.1 mm)

0.175 in (4.45 mm)

e4

250 V

4818

0.476 x 0.175 x 0.175 in (12.1 x 4.45 x 4.45 mm)

0.175 in (4.45 mm)

UL

125 °C (257 °F)

Time Lag

0885005.DR

Littelfuse

Electric Fuse

Surface Mount

350 V

450 V

5 A

Wraparound

35 J

-40 °C (-40 °F)

Tin

100 A

1 s

Tape And Reel

0.428 in (10.86 mm)

0.188 in (4.78 mm)

e3

Nano

0.428 x 0.188 x 0.188 in (10.86 x 4.78 x 4.78 mm)

0.188 in (4.78 mm)

CUL; TUV; UL

105 °C (221 °F)

0977012.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

450 V

12 A

Pin Wire

388 J

-55 °C (-67 °F)

Tin

100 A

Rated Breaking Capacity at 450 VDC: 200 A

388

Bulk

0.228 in (5.8 mm)

e3

500 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CE; PSE

125 °C (257 °F)

Time Lag

0JTD250.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

500 V

250 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

170M1316

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

80 A

Tab/Blade

380 J

200 kA

Box

2.126 in (54 mm)

0.827 in (21 mm)

2.126 x 0.827 x 1.575 in (54 x 21 x 40 mm)

1.575 in (40 mm)

CE; CSA; DIN 43653; IEC; UL

170M4412

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

400 A

Tab/Blade

13.5 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

170M4458

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

200 A

Tab/Blade

1.65 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

170M4459

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

250 A

Tab/Blade

3.1 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

170M4461

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

350 A

Tab/Blade

8.5 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

170M4462

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

400 A

Tab/Blade

13.5 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

170M4464

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

500 A

Tab/Blade

25 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

3402.0007.22

Schurter Ag

Electric Fuse

Surface Mount

63 V

63 V

400 mA

Wraparound

16 mJ

-40 °C (-40 °F)

Tin

50 A

0.016

Tape And Reel, 7 inch

0.291 in (7.4 mm)

0.122 in (3.1 mm)

e3

10 ms

0.291 x 0.122 in (7.4 x 3.1 mm)

0.291 x 0.122 x 0.102 in (7.4 x 3.1 x 2.6 mm)

0.102 in (2.6 mm)

CUL; UL

125 °C (257 °F)

Very Fast

3403.0275.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

1.25 A

Wraparound

4.05 J

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

3404.2415.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

800 mA

Wraparound

1.4 J

-40 °C (-40 °F)

Gold

200 A

Rated Breaking Capacity at 125 VDC: 100 A

Bag

0.445 in (11.3 mm)

0.165 in (4.2 mm)

e4

10 ms

0.165 x 0.437 in (4.2 x 11.1 mm)

0.421 x 0.142 x 0.157 in (10.7 x 3.6 x 4 mm)

0.157 in (4 mm)

CUL; UL; VDE

85 °C (185 °F)

Time Lag

3405.0170.24

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

2.5 A

Wraparound

4.8 J

-55 °C (-67 °F)

Tin

100 A

Tape And Reel, 13 inch

0.398 in (10.1 mm)

0.118 in (3 mm)

e3

1 ms

0.118 x 0.398 in (3 x 10.1 mm)

0.398 x 0.118 x 0.118 in (10.1 x 3 x 3 mm)

0.118 in (3 mm)

CUL; IEC 60127-4; UL; VDE

125 °C (257 °F)

Very Fast

3405.0171.24

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

3.15 A

Wraparound

5.17 J

-55 °C (-67 °F)

Tin

100 A

Tape And Reel, 13 inch

0.398 in (10.1 mm)

0.118 in (3 mm)

e3

1 ms

0.118 x 0.398 in (3 x 10.1 mm)

0.398 x 0.118 x 0.118 in (10.1 x 3 x 3 mm)

0.118 in (3 mm)

CUL; IEC 60127-4; UL; VDE

125 °C (257 °F)

Very Fast

3405.0173.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

5 A

Wraparound

13.57 J

-55 °C (-67 °F)

Tin

100 A

Bulk

0.398 in (10.1 mm)

0.118 in (3 mm)

e3

1 ms

0.118 x 0.398 in (3 x 10.1 mm)

0.398 x 0.118 x 0.118 in (10.1 x 3 x 3 mm)

0.118 in (3 mm)

CUL; IEC 60127-4; UL; VDE

125 °C (257 °F)

Very Fast

3405.0174.24

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

6.3 A

Wraparound

23.85 J

-55 °C (-67 °F)

Tin

100 A

Tape And Reel, 13 inch

0.398 in (10.1 mm)

0.118 in (3 mm)

e3

1 ms

0.118 x 0.398 in (3 x 10.1 mm)

0.398 x 0.118 x 0.118 in (10.1 x 3 x 3 mm)

0.118 in (3 mm)

CUL; IEC 60127-4; UL; VDE

125 °C (257 °F)

Very Fast

3405.0176.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

10 A

Wraparound

45.8 J

-55 °C (-67 °F)

Tin

100 A

Bulk

0.398 in (10.1 mm)

0.118 in (3 mm)

e3

1 ms

0.118 x 0.398 in (3 x 10.1 mm)

0.398 x 0.118 x 0.148 in (10.1 x 3 x 3.75 mm)

0.118 in (3 mm)

CUL; UL; VDE

125 °C (257 °F)

Very Fast

3414.0114.11

Schurter Ag

Electric Fuse

Surface Mount

32 V

750 mA

Wraparound

9 mJ

-55 °C (-67 °F)

Gold

35 A

0.009

Blister Tape

0.041 in (1.05 mm)

0.022 in (0.55 mm)

e4

32 V

5 s

0.041 x 0.022 x 0.019 in (1.05 x 0.55 x 0.48 mm)

0.019 in (0.48 mm)

CCC; CSA; CUL; UL

125 °C (257 °F)

Super Fast

37200500431

Littelfuse

Electric Fuse

Through Hole Mount

250 V

50 mA

Pin Wire

10.8 mJ

-40 °C (-40 °F)

Matte Tin

35 A

20 ms

0.01

Bulk

0.335 in (8.5 mm)

e3

250 V

TR5

0.335 x 0.315 in (8.5 x 8 mm)

0.315 in (8 mm)

CCC; CE; CUL; KC; UL; VDE

85 °C (185 °F)

Time Lag

522.517

Eska Erich Schweizer

Electric Fuse

Inline/Holder

250 V

1 A

End Cap

6.35 J

35 A

Bulk

0.197 in (5 mm)

250 V

20 ms

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)

CE; CUL; IEC; VDE; UL

Time Lag

74-4SG750MA

Nte Electronics

Electric Fuse

Inline/Holder

250 V

250 V

750 mA

End Cap

35 A

2 m

0.177 in (4.5 mm)

2AG

0.591 in (15 mm)

UL

Slow

74-6SG750MA

Nte Electronics

Electric Fuse

Inline/Holder

250 V

750 mA

End Cap

200 A

5 s

0.25 in (6.35 mm)

3AG

1.252 in (31.8 mm)

UL

Slow

A50QS400-4

Mersen S A

Electric Fuse

Inline/Holder

500 V

500 V

400 A

Tab/Blade

16 J

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A, Joule Integral Nom at 500 VDC: 83

1.5 in (38.1 mm)

1.5 x 2.091 in (38.1 x 53.1 mm)

2.091 in (53.1 mm)

CSA; UL

A70QS600-4

Mersen S A

Electric Fuse

Inline/Holder

700 V

700 V

600 A

Tab/Blade

92 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A;Joule Integral Nom at 700 VDC: 201

2 in (50.8 mm)

2 x 2.843 in (50.8 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

A70QS600-4K

Mersen S A

Electric Fuse

Inline/Holder

700 V

700 V

600 A

Tab/Blade

92 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A;Joule Integral Nom at 700 VDC: 201

2 in (50.8 mm)

2 x 2.843 in (50.8 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

ABC-2-1/2

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

100 A

Rated Breaking Capacity at 125 VDC: 10000 A

0.248 in (6.3 mm)

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

CSA; UL

Fast

ABC-2-1/2-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

4.467 J

Nickel

100 A

2 m

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

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

Fast

BK/ABC-1/2-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

500 mA

End Cap

39 mJ

Nickel

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

Box

0.25 in (6.35 mm)

0.25 x 1.25 in (6.35 x 31.75 mm)

1.25 in (31.75 mm)

CSA; UL

Fast

BK/ABC-1/2-RV

Eaton Corporation

Electric Fuse

Through Hole Mount

250 V

125 V

500 mA

Pin Wire

39 mJ

35 A

Rated Breaking Capacity at 125 VDC: 10000 A

Box

0.25 in (6.35 mm)

0.25 x 1.292 in (6.35 x 32.82 mm)

1.292 in (32.82 mm)

CSA; UL

Fast

BK/ABC-12-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

12 A

End Cap

133.3 J

Nickel

750 A

4 h

Rated Breaking Capacity at 125 VDC: 10000 A

Box

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

Fast

BK/ABC-12-RV

Eaton Corporation

Electric Fuse

Through Hole Mount

250 V

125 V

12 A

Pin Wire

133.3 J

Nickel

750 A

Rated Breaking Capacity at 125 VDC: 10000 A

Box

0.25 in (6.35 mm)

0.25 x 1.292 in (6.35 x 32.82 mm)

1.292 in (32.82 mm)

CSA; UL

Fast

BK/ABC-2-1/2-R

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

2.5 A

End Cap

4.467 J

Nickel

100 A

2 m

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

Box

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

Fast

BK/ETF-80MA

Cooper Industries

Electric Fuse

Through Hole Mount

250 V

80 mA

Pin Wire

10 mJ

-55 °C (-67 °F)

Tin

ETF

Bag

0.329 in (8.35 mm)

e3

0.329 x 0.323 in (8.35 x 8.2 mm)

0.323 in (8.2 mm)

CSA; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

C14G20I

Eaton Corporation

Electric Fuse

Inline/Holder

690 V

690 V

20 A

End Cap

80 kA

C14

0.551 in (14 mm)

Indicator

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

IEC

C14G20S

Eaton Corporation

Electric Fuse

Inline/Holder

690 V

690 V

20 A

End Cap

80 kA

C14

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

IEC

ECSR75

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

75 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

FRN-R-8/10

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

800 mA

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

FRN-R-80

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

80 A

Tab/Blade

200 kA

10 s

Box

1.06 in (26.924 mm)

RK5

250 V

1.06 x 5.88 in (26.92 x 149.35 mm)

5.88 in (149.352 mm)

CE; CSA; UL

Time Delay

FRN-R-85

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

85 A

Tab/Blade

200 kA

10 s

Box

1.06 in (26.924 mm)

RK5

250 V

1.06 x 5.88 in (26.92 x 149.35 mm)

5.88 in (149.352 mm)

CE; CSA; UL

Time Delay

FRN-R-8ID

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

125 V

8 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Box

0.56 in (14.22 mm)

RK5

250 V

Indicator

0.56 x 2 in (14.22 x 50.8 mm)

2 in (50.8 mm)

CE; CSA; UL

Time Delay

FRS-R-35

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

35 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Box

1.063 in (27 mm)

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CE; CSA; UL

Time Delay

G4A01121C

Therm-o-disc

Thermal Fuse

Through Hole Mount

250 V

10 A

Pin Wire

Tape And Reel, 14 inch

0.157 in (4 mm)

250 V

0.579 in (14.7 mm)

G4A01184C

Therm-o-disc

Thermal Fuse

Through Hole Mount

250 V

10 A

Pin Wire

Tape And Reel, 14 inch

0.157 in (4 mm)

250 V

0.579 in (14.7 mm)

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.