700 A Fuses 113

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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

JLLN700P

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

2.063 in (52.4 mm)

3.374 in (85.7 mm)

CSE; CUL; UL

Fast

KLLU700

Littelfuse

Electric Fuse

Inline/Holder

600 V

700 A

Tab/Blade

200 kA

2.5 in (63.5 mm)

L

600 V

2.5 x 3.752 in (63.5 x 95.3 mm)

3.752 in (95.3 mm)

CSA; UL

Time Delay

L25S700

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 1.594 in (38.1 x 40.5 mm)

1.594 in (40.5 mm)

CE; CSA; UL

Very Fast

KLLU700.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.5 in (63.5 mm)

3.752 in (95.3 mm)

CE; CSA; UL

Time Delay

700-38R-3BI-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

700 A

Tab/Blade

80 kA

18 in (457.2 mm)

Indicator

18 x 18 in (457.2 x 457.2 mm)

18 in (457.2 mm)

Medium

0CNN700E.V

Littelfuse

Electric Fuse

Inline/Holder

80 V

700 A

Tab/Blade

2.7 kA

3.181 in (80.8 mm)

80 V

3.18 in (80.77 mm)

CUL; UL

Very Fast

JLLS700.XXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

2.5 in (63.5 mm)

600 V

1.858 in (47.2 mm)

CE; CSA; UL

Fast

PSX3XLDB0700X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

700 A

Tab/Blade

305.72 kJ

-55 °C (-67 °F)

250 kA

Bulk

5.067 in (128.7 mm)

2.894 in (73.5 mm)

Indicator

2.894 in (73.5 mm)

CUL; UL

125 °C (257 °F)

Fast

LA130URD73LI0700

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

700 A

Tab/Blade

110 J

100 kA

2.933 in (74.5 mm)

2.933 in (74.5 mm)

Indicator

2.933 x 2.933 x 2.854 in (74.5 x 74.5 x 72.5 mm)

2.854 in (72.5 mm)

UL

Very Fast

JLLS700

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

2.5 in (63.5 mm)

2.5 x 1.858 in (63.5 x 47.2 mm)

1.858 in (47.2 mm)

UL

Fast

PSR031US0700Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Tab/Blade

98.187 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

3.402 in (86.4 mm)

CUL; UL

125 °C (257 °F)

Fast

LA30QS700-4

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

700 A

Tab/Blade

260 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 1.579 in (38.1 x 40.1 mm)

1.579 in (40.1 mm)

UL

Very Fast

LA070URD33KI0700

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 A

Tab/Blade

55 J

200 kA

2.933 in (74.5 mm)

2.933 in (74.5 mm)

Indicator

2.933 x 2.933 x 1.874 in (74.5 x 74.5 x 47.6 mm)

1.874 in (47.6 mm)

UL

Very Fast

KLC700

Littelfuse

Electric Fuse

Inline/Holder

600 V

700 A

Tab/Blade

-55 °C (-67 °F)

200 kA

2.5 in (63.5 mm)

2.5 x 2.843 in (63.5 x 72.2 mm)

2.843 in (72.2 mm)

CSA; UL

125 °C (257 °F)

Very Fast

JLLN700.XXP

Littelfuse

Electric Fuse

Inline/Holder

300 V

125 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

2.063 in (52.4 mm)

300 V

3.374 in (85.7 mm)

CSE; CUL; UL

Fast

LA30QS700-128

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

700 A

End Cap

260 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

3 in (76.2 mm)

3 x 2.339 in (76.2 x 59.4 mm)

2.339 in (59.4 mm)

UL

Very Fast

PSR032UL0700X

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Tab/Blade

51.191 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

LA110URD72LI0700

Littelfuse

Electric Fuse

Inline/Holder

1.1 KV

700 A

Tab/Blade

145 J

100 kA

2.362 in (60 mm)

2.362 in (60 mm)

Indicator

2.362 x 2.362 x 2.854 in (60 x 60 x 72.5 mm)

2.854 in (72.5 mm)

UL

Very Fast

LA50QS700-4

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

700 A

Tab/Blade

270 J

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

2.5 in (63.5 mm)

500 V

2.5 x 2.22 in (63.5 x 56.4 mm)

2.22 in (56.4 mm)

CSA; UL

Fast

KLH700

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

700 A

Tab/Blade

200 kA

KLH

Rated Breaking Capacity at 450 VDC: 20000 A

2.5 in (63.5 mm)

2.5 x 2.22 in (63.5 x 56.4 mm)

2.22 in (56.4 mm)

CSA; UL

Fast

LDC700

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

700 A

Tab/Blade

200 kA

16 ms

Rated Breaking Capacity at 600 VDC: 50000 A

2.5 in (63.5 mm)

3.752 in (95.3 mm)

CSA; UL

Fast

PSR031FL0700Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Threaded

98.187 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.969 in (50 mm)

Indicator

3.402 in (86.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

LA130URD73TTI0700

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

700 A

End Cap

110 J

100 kA

2.933 in (74.5 mm)

2.933 in (74.5 mm)

Indicator

2.933 x 2.933 x 2.854 in (74.5 x 74.5 x 72.5 mm)

2.854 in (72.5 mm)

UL

Very Fast

PSR033FL0700Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Threaded

56.763 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

2.008 in (51 mm)

Indicator

4.268 in (108.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

LA070URD31LI0700

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 A

Tab/Blade

95 J

200 kA

2.008 in (51 mm)

2.008 in (51 mm)

Indicator

2.008 x 2.008 x 1.874 in (51 x 51 x 47.6 mm)

1.874 in (47.6 mm)

UL

Very Fast

LA60X700-128

Littelfuse

Electric Fuse

Inline/Holder

600 V

700 A

End Cap

100 kA

3 in (76.2 mm)

600 V

3 x 3.752 in (76.2 x 95.3 mm)

3.752 in (95.3 mm)

UL

Fast

L70QS700.X

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

700 A

Tab/Blade

99.387 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 700 VDC: 50000 A

Box

2.5 in (63.5 mm)

2.844 in (72.24 mm)

CUL; UL

125 °C (257 °F)

Very Fast

PSX3XLFL0700X

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

700 A

Threaded

305.72 kJ

-55 °C (-67 °F)

250 kA

Bulk

5.043 in (128.1 mm)

2.894 in (73.5 mm)

Indicator

2.894 in (73.5 mm)

CUL; UL

125 °C (257 °F)

Fast

LDC0700

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 600 VDC: 50000

2.5 in (63.5 mm)

2.5 x 3.752 in (63.5 x 95.3 mm)

3.752 in (95.3 mm)

CSA; UL

Time Delay

L70S700

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

2.874 in (73 mm)

2.874 x 3.311 in (73 x 84.1 mm)

3.311 in (84.1 mm)

CE; CSA; UL

Very Fast

LA070URD31TTI0700

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 A

End Cap

95 J

200 kA

2 in (50.8 mm)

2 in (50.8 mm)

Indicator

2 x 2 x 1.929 in (50.8 x 50.8 x 49 mm)

1.929 in (49 mm)

UL

Very Fast

LA120URD72TTI0700

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

700 A

End Cap

145 J

100 kA

2.362 in (60 mm)

2.362 in (60 mm)

Indicator

2.362 x 2.362 x 2.854 in (60 x 60 x 72.5 mm)

2.854 in (72.5 mm)

UL

Very Fast

L50S700

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

700 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

2.5 in (63.5 mm)

2.5 x 2.22 in (63.5 x 56.4 mm)

2.22 in (56.4 mm)

CE; CSA; UL

Very Fast

L50QS700.X

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

700 A

Tab/Blade

75.597 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Bulk

2.5 in (63.5 mm)

10 ms

2.218 in (56.34 mm)

CE; CUL; UL

125 °C (257 °F)

Very Fast

KLB700

Littelfuse

Electric Fuse

Inline/Holder

250 V

200 V

700 A

Tab/Blade

200 kA

KLB

Rated Breaking Capacity at 200 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 1.594 in (38.1 x 40.5 mm)

1.594 in (40.5 mm)

CSA; UL

Fast

PSR073FL0700Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

700 A

Threaded

158.097 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.953 in (75 mm)

2.894 in (73.5 mm)

Indicator

4.268 in (108.4 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

PSR072FS0700Z

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

900 V

700 A

Threaded

228.761 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 900 VDC: 150000 A

Bulk

2.953 in (75 mm)

2.362 in (60 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR072FL0700Z

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

900 V

700 A

Threaded

228.761 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 900 VDC: 150000 A

Bulk

2.953 in (75 mm)

2.362 in (60 mm)

Indicator

3.736 in (94.9 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR072UL0700X

Littelfuse

Electric Fuse

Inline/Holder

1.2 KV

900 V

700 A

Tab/Blade

228.761 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 900 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

07945825226

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Tab/Blade

51.191 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

2.598 in (66 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR031US0700

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Tab/Blade

98.187 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR032UL0700

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Tab/Blade

51.191 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.362 in (60 mm)

1.937 in (49.2 mm)

Indicator

2.598 in (66 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825286

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Tab/Blade

56.763 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825331

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

700 A

Tab/Blade

158.097 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.921 in (74.2 mm)

2.894 in (73.5 mm)

Indicator

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR033US0700

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Tab/Blade

56.763 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.894 in (73.5 mm)

1.976 in (50.2 mm)

Indicator

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR073UL0700

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

700 A

Tab/Blade

158.097 kJ

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.921 in (74.2 mm)

2.894 in (73.5 mm)

Indicator

3.13 in (79.5 mm)

CUL; UL

125 °C (257 °F)

Fast

PSR031UL0700

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Tab/Blade

98.187 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 mm)

CUL; UL

125 °C (257 °F)

Fast

07945825270

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

700 A

Tab/Blade

98.187 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

2.028 in (51.5 mm)

1.937 in (49.2 mm)

Indicator

2.264 in (57.5 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.