250 A Fuses 265

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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

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)

ANL-250

Eaton Corporation

Electric Fuse

Inline/Holder

80 V

250 A

End Cap

2.7 kA

3.189 in (81 mm)

Indicator

3.189 x 0.874 in (81 x 22.2 mm)

0.874 in (22.2 mm)

CSA; UL

Time Delay

DFJ-250

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

450 V

250 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 100000 A

2.11 in (53.59 mm)

2.11 x 3.38 in (53.59 x 85.85 mm)

3.38 in (85.85 mm)

CSA; UL

Fast

170M4533

Eaton Corporation

Electric Fuse

Inline/Holder

1 KV

250 A

Tab/Blade

7.75 kJ

150 kA

Box

2.087 in (53 mm)

2.087 in (53 mm)

Indicator

2.087 x 2.087 x 2.087 in (53 x 53 x 53 mm)

2.087 in (53 mm)

CE; IEC; UL

FWP-250A

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

700 V

250 A

Tab/Blade

10.5 kJ

50 kA

Box

2 in (50.8 mm)

2 x 2.84 in (50.8 x 72.14 mm)

2.84 in (72.136 mm)

CE; CSA; UL

0AKK-K250-BA

Bel Fuse

Electric Fuse

Inline/Holder

1 KV

250 A

Tab/Blade

9.6 kJ

-40 °C (-40 °F)

Tin

50 kA

Bulk

2.913 in (74 mm)

1.772 in (45 mm)

e3

0.984 in (25 mm)

125 °C (257 °F)

Fast

250FM

Eaton Corporation

Electric Fuse

Inline/Holder

690 V

350 V

250 A

Tab/Blade

5.2 kJ

200 kA

Rated Breaking Capacity at 690 VDC: 200000 A

Box

1.969 in (50 mm)

1.969 x 1.614 in (50 x 41 mm)

1.614 in (41 mm)

BS 88; CE

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

X301021

Mersen S A

Electric Fuse

Panel Mount

1.25 KV

250 A

Threaded

9.58 kJ

150 kA

Bulk

2.913 in (74 mm)

1.567 in (39.8 mm)

AR

70

Indicator

1.831 in (46.5 mm)

CCC; CE; CSA; CUL; EAC; IEC; UL; VDE

Ultra Fast

AJT250/600

Mersen S A

Electric Fuse

Inline/Holder

600 V

500 V

250 A

Tab/Blade

200 kA

2.52 in (64 mm)

J

600 V

7.992 in (203 mm)

IEC, UL

Time Lag

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

MEV100A250-4

Mersen S A

Electric Fuse

Inline/Holder

1 KV

250 A

Tab/Blade

100 kA

80 ms

Bulk

1.5 in (38.1 mm)

2.843 in (72.2 mm)

IATF 16949; UL

D301027

Mersen S A

Electric Fuse

Panel Mount

1.25 KV

250 A

Threaded

8.9 kJ

126 kA

Bulk

2.913 in (74 mm)

2.008 in (51 mm)

Indicator

2.224 in (56.5 mm)

CCC; CE; CSA; CUL; EAC; IEC; UL; VDE

Ultra Fast

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

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

0998250.UX-2M8

Littelfuse

Electric Fuse

Inline/Holder

70 V

250 A

Tab/Blade

220 kJ

-40 °C (-40 °F)

Tin

2.5 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

e3

70 V

Mega

0.39 in (9.9 mm)

ISO

125 °C (257 °F)

ANN-250

Eaton Corporation

Electric Fuse

Surface Mount

125 V

80 V

250 A

Tab/Blade

2.5 kA

3.189 in (81 mm)

Indicator

3.189 x 0.874 in (81 x 22.2 mm)

0.874 in (22.2 mm)

CSA; UL

Very Fast

0298250.ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

250 A

Tab/Blade

389 kJ

-40 °C (-40 °F)

2 kA

100 ms

Bulk

1.15 in (29.2 mm)

0.748 in (19 mm)

32 V

Mega

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.39 in (9.9 mm)

125 °C (257 °F)

Time Delay

0298250ZXEH

Littelfuse

Electric Fuse

Inline/Holder

32 V

250 A

Tab/Blade

389 kJ

-40 °C (-40 °F)

Silver

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

e4

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

170M4409

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

3NE1227-0

Siemens

Electric Fuse

Inline/Holder

690 V

250 V

250 A

Tab/Blade

-20 °C (-4 °F)

100 kA

2.618 in (66.5 mm)

2.047 in (52 mm)

Indicator

2.618 x 2.047 x 2.047 in (66.5 x 52 x 52 mm)

2.047 in (52 mm)

CCC; CE; UL

50 °C (122 °F)

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

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

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

170M1813

Eaton Corporation

Electric Fuse

Inline/Holder

1 KV

250 A

Tab/Blade

16 kJ

50 kA

2.835 in (72 mm)

1.429 in (36.3 mm)

0.945 in (24 mm)

IEC; UL

170M3416

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

250 A

Tab/Blade

4.2 kJ

200 kA

Box

1.772 in (45 mm)

1.772 in (45 mm)

Indicator

1.772 x 1.772 x 1.969 in (45 x 45 x 50 mm)

1.969 in (50 mm)

CE; IEC; UL

170M4814

Eaton Corporation

Electric Fuse

Inline/Holder

1 KV

250 A

Tab/Blade

10 kJ

150 kA

2.126 in (54 mm)

1.181 in (30 mm)

Indicator

2.126 x 1.181 x 2.008 in (54 x 30 x 51 mm)

2.008 in (51 mm)

CE; DIN 43653; IEC; UL

SPFJ250

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

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

170M1571D

Eaton Corporation

Electric Fuse

Inline/Holder

690 V

250 A

Tab/Blade

7.9 kJ

200 kA

1.378 in (35 mm)

0.807 in (20.5 mm)

1.378 x 0.807 x 1.957 in (35 x 20.5 x 49.7 mm)

1.957 in (49.7 mm)

CE; CSA; IEC; UL

L70QS250.X

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

250 A

Tab/Blade

10.999 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 700 VDC: 50000 A

Box

2 in (50.8 mm)

2.844 in (72.24 mm)

CUL; UL

125 °C (257 °F)

Very Fast

170M3216

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

250 A

Tab/Blade

4.2 kJ

200 kA

Box

1.969 in (50 mm)

1.772 in (45 mm)

Indicator

1.969 x 1.772 x 1.772 in (50 x 45 x 45 mm)

1.772 in (45 mm)

CE; DIN 43653; IEC; UL

PV-250ANH2

Eaton Corporation

Electric Fuse

Inline/Holder

1 KV

250 A

Tab/Blade

26 kJ

50 kA

17000

Bulk

2.953 in (75 mm)

2.087 in (53 mm)

1 KV

2.953 x 2.087 x 2.402 in (75 x 53 x 61 mm)

2.402 in (61 mm)

CSA; IEC; UL

SPNH250.X2XL

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

250 A

Tab/Blade

73 kJ

30 kA

Bulk

5.165 in (131.2 mm)

2.362 in (60 mm)

NH

2.362 in (60 mm)

UL

142.5395.6252

Littelfuse

Electric Fuse

Inline/Holder

58 V

250 A

Tab/Blade

292.5 kJ

-40 °C (-40 °F)

Matte Tin

1 kA

100 ms

1.142 in (29 mm)

e3

58 V

1.142 x 0.74 x 0.366 in (29 x 18.8 x 9.3 mm)

0.37 in (9.4 mm)

UL

125 °C (257 °F)

Slow

170M1760

Eaton Corporation

Electric Fuse

Inline/Holder

800 V

250 A

Tab/Blade

7.4 kJ

50 kA

2.126 in (54 mm)

1.429 in (36.3 mm)

0.945 in (24 mm)

UL

JLS250

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 A

Tab/Blade

200 kA

Bulk

2 in (50.8 mm)

2 x 3.374 in (50.8 x 85.7 mm)

3.374 in (85.7 mm)

CE; CSA; QPL; UL

Fast

L50QS250.V

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

250 A

Tab/Blade

7.094 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Bulk

1.5 in (38.1 mm)

500 V

10 ms

2.093 in (53.16 mm)

CE; CUL; UL

125 °C (257 °F)

Very Fast

170M1321

Eaton Corporation

Electric Fuse

Inline/Holder

700 V

250 A

Tab/Blade

7.75 kJ

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

170M3816D

Eaton Corporation

Electric Fuse

Inline/Holder

690 V

250 A

Tab/Blade

31 kJ

200 kA

2.52 in (64 mm)

1.575 in (40 mm)

Indicator

2.52 x 1.575 x 2.677 in (64 x 40 x 68 mm)

2.677 in (68 mm)

CE; CSA; IEC; UL

170M4390

Eaton Corporation

Electric Fuse

Inline/Holder

1.3 KV

250 A

End Cap

7.75 kJ

100 kA

2.913 in (74 mm)

2.087 in (53 mm)

Indicator

2.913 x 2.087 x 2.087 in (74 x 53 x 53 mm)

2.087 in (53 mm)

CE; IEC; UL

3298250.ZXM10

Littelfuse

Electric Fuse

Panel Mount

32 V

250 A

Wraparound

160.9 kJ

-40 °C (-40 °F)

2 kA

100 ms

1.232 in (31.3 mm)

0.984 in (25 mm)

0.63 in (16 mm)

125 °C (257 °F)

Time Delay

0298250ZXH

Littelfuse

Electric Fuse

Inline/Holder

32 V

250 A

Tab/Blade

389 kJ

-40 °C (-40 °F)

Silver

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

e4

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

SPFR250

Littelfuse

Electric Fuse

Inline/Holder

1 KV

250 A

Tab/Blade

10 kA

2.594 in (65.9 mm)

2.594 x 7.478 in (65.9 x 189.94 mm)

7.478 in (189.94 mm)

UL

Fast

250E-3CL-15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

250 A

Tab/Blade

60 kA

11.56 in (293.62 mm)

11.56 x 19.1 in (293.62 x 485.14 mm)

19.1 in (485.14 mm)

Medium

0298250.TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

250 A

Tab/Blade

389 kJ

-40 °C (-40 °F)

2 kA

Bulk

1.15 in (29.21 mm)

0.75 in (19.05 mm)

1.15 x 0.75 x 0.42 in (29.21 x 19.05 x 10.67 mm)

0.42 in (10.67 mm)

125 °C (257 °F)

PSR072UL0250X

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

250 A

Tab/Blade

7.737 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.882 in (73.2 mm)

2.362 in (60 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

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.