45 A Fuses 91

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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

KLA45

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

45 A

End Cap

100 kA

KLA

Rated Breaking Capacity at 150 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

NLS045

Littelfuse

Electric Fuse

Inline/Holder

600 V

400 V

45 A

End Cap

50 kA

Rated Breaking Capacity at 400 VDC; 20000

1.063 in (27 mm)

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

JLLN045

Littelfuse

Electric Fuse

Inline/Holder

300 V

160 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 160 VDC: 20000 A

0.563 in (14.3 mm)

0.563 x 0.874 in (14.3 x 22.2 mm)

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

SPXV045.T

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

45 A

End Cap

588 J

50 kA

6 m

Bulk

0.813 in (20.65 mm)

GPV

1.5 KV

0.787 x 5 in (20 x 127 mm)

5 in (127 mm)

CUL; UL

Fast

FLSR045

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

200 kA

FLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

L15S45

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

45 A

End Cap

100 kA

Rated Breaking Capacity at 150 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

IDSR045ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

45 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

JLS045

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

End Cap

200 kA

Bulk

1.063 in (27 mm)

1.063 x 2.374 in (27 x 60.3 mm)

2.374 in (60.3 mm)

CE; CSA; QPL; UL

Fast

JLLN045.TXP

Littelfuse

Electric Fuse

Inline/Holder

300 V

160 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 160 VDC: 20000 A

0.563 in (14.3 mm)

300 V

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

RLS045

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

End Cap

10 kA

1.063 in (27 mm)

5.5 in (139.7 mm)

CE; CSA; UL

FLSR45ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

1.063 in (27 mm)

Indicator

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

JTD045

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

2.374 in (60.3 mm)

CSA; UL

Time Delay

ITV9550L1245MR

Littelfuse

Electric Fuse

Surface Mount

85 V

45 A

Wraparound

-10 °C (14 °F)

120 A

Tape And Reel, 13 inch

0.374 in (9.5 mm)

0.197 in (5 mm)

0.079 in (2 mm)

CUL; TUV; UL

65 °C (149 °F)

L25S45

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

45 A

Tab/Blade

200 kA

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

FLNR45ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

45 A

End Cap

200 kA

0.811 in (20.6 mm)

Indicator

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

TLN045

Littelfuse

Electric Fuse

Inline/Holder

170 V

45 A

End Cap

Rated Breaking Capacity at 170 VDC: 100000 A

0.811 in (20.6 mm)

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

UL

Fast

L13S45

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

45 A

End Cap

100 kA

L13S

Rated Breaking Capacity at 150 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

LLNRK045

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

L60S45

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

Tab/Blade

200 kA

0.811 in (20.6 mm)

0.811 x 2.78 in (20.6 x 70.6 mm)

2.78 in (70.6 mm)

CSA; UL

Fast

FLNR045ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; QPL; UL

Time Delay

KLB45

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

45 A

Tab/Blade

200 kA

KLB

Rated Breaking Capacity at 250 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

LA15QS45-1

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

45 A

End Cap

340 mJ

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

0.811 in (20.6 mm)

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

UL

Very Fast

IDSR045.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

1.063 in (27 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

TLN45

Littelfuse

Electric Fuse

Inline/Holder

170 V

45 A

End Cap

Rated Breaking Capacity at 170 VDC: 100000 A

0.811 in (20.6 mm)

0.811 x 2.811 in (20.6 x 71.4 mm)

2.811 in (71.4 mm)

UL

Fast

SPXI045.T

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

45 A

End Cap

588 J

50 kA

6 m

Bulk

0.813 in (20.65 mm)

6.222 in (158.04 mm)

CUL; UL

SPXI045.TXB

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

45 A

End Cap

588 J

50 kA

6 m

Bulk

0.813 in (20.65 mm)

6.44 in (163.58 mm)

TUV; UL

0JLS045.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

End Cap

200 kA

Bulk

1.063 in (27 mm)

2.374 in (60.3 mm)

CE; CSA; QPL; UL

Fast

0293545.H

Littelfuse

Electric Fuse

Inline/Holder

32 V

45 A

Tab/Blade

-40 °C (-40 °F)

2 s

0.906 in (23 mm)

0.622 in (15.8 mm)

1.528 in (38.8 mm)

125 °C (257 °F)

0293545.U

Littelfuse

Electric Fuse

Inline/Holder

32 V

45 A

Tab/Blade

-40 °C (-40 °F)

2 s

0.906 in (23 mm)

0.622 in (15.8 mm)

1.528 in (38.8 mm)

125 °C (257 °F)

0293545.MXJ

Littelfuse

Electric Fuse

Inline/Holder

32 V

45 A

Tab/Blade

-40 °C (-40 °F)

2 s

0.906 in (23 mm)

0.622 in (15.8 mm)

1.528 in (38.8 mm)

125 °C (257 °F)

FLNR045.T

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

FLNR045.TXID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

Indicator

3 in (76.2 mm)

CSA; UL

Time Delay

FLSR045.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

1.063 in (27 mm)

Indicator

5.5 in (139.7 mm)

CSA; UL

Time Delay

0RLS045.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

End Cap

10 kA

1.063 in (27 mm)

5.5 in (139.7 mm)

CE; CSA; UL

L15S045.T

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

45 A

End Cap

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 150 VDC: 20000 A

Box

0.406 in (10.3 mm)

2 in (50.8 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LLNRK045.V

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

3 in (76.2 mm)

CE; CSA; UL; QPL

Time Delay

0KLC045.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

0.811 in (20.6 mm)

2.752 in (69.9 mm)

CSA; UL

125 °C (257 °F)

Very Fast

LLSRK045.TXID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

Indicator

5.5 in (139.7 mm)

CE; CSA; UL; QPL

Time Delay

0RLN045.T

Littelfuse

Electric Fuse

Inline/Holder

250 V

45 A

End Cap

10 kA

0.811 in (20.6 mm)

3 in (76.2 mm)

CE; CSA; UL

L60S045.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

Tab/Blade

-55 °C (-67 °F)

200 kA

Box

0.811 in (20.6 mm)

2.78 in (70.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

KLSR0045

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

5.5 in (139.7 mm)

CE; CSA; UL

Fast

KLNR0045

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

3 in (76.2 mm)

CE; CSA; UL

Fast

IDSR045

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 600 VDC: 20000 A

Bulk

1.063 in (27 mm)

1 x 5.5 in (25.4 x 139.7 mm)

5.5 in (139.7 mm)

CSA; 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.