45 A Fuses 91

Reset All
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

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

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

FLSR045ID

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

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; QPL; UL

Time Delay

0SLC045.T

Littelfuse

Electric Fuse

45 A

End Cap

100 kA

0.406 in (10.3 mm)

G

480 V

0.406 x 2.252 in (10.3 x 57.2 mm)

2.252 in (57.2 mm)

CSA, UL

Medium

ITV9550L5045MR

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)

0JLS045.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

End Cap

200 kA

1.063 in (27 mm)

J

600 V

1.063 x 2.374 in (27 x 60.3 mm)

2.374 in (60.3 mm)

CE; CSA; QPL; UL

Fast

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

L25S045

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)

1.626 in (41.3 mm)

CE; CSA; UL

Very Fast

KLW45

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

45 A

End Cap

100 kA

KLW

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

LLSRK045ID

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

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

FLNR045

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

L60S045

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

Tab/Blade

-55 °C (-67 °F)

200 kA

0.811 in (20.6 mm)

2.78 in (70.6 mm)

CSA; UL

125 °C (257 °F)

Very Fast

NLN045

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

45 A

End Cap

50 kA

Rated Breaking Capacity at 250 VDC; 20000

0.811 in (20.6 mm)

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

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

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

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

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

NLKP045

Littelfuse

Electric Fuse

Inline/Holder

250 V

45 A

End Cap

10 kA

0.811 in (20.6 mm)

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

ITV9550L2045MR

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)

1206SFP450F/32-2

Littelfuse

Electric Fuse

45 A

3.2 J

-55 °C (-67 °F)

0.134 in (3.4 mm)

0.071 in (1.8 mm)

32 V

1206

0.134 x 0.071 x 0.046 in (3.4 x 1.8 x 1.17 mm)

0.046 in (1.17 mm)

125 °C (257 °F)

KLSR045

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

KLSR

Rated Breaking Capacity at 300 VDC: 20000 A

1.063 in (27 mm)

5.5 in (139.7 mm)

CSA; UL

Fast

FLSR045.T

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)

5.5 in (139.7 mm)

CSA; UL

Time Delay

KLC45

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

Tab/Blade

200 kA

0.811 in (20.6 mm)

0.811 x 2.752 in (20.6 x 69.9 mm)

2.752 in (69.9 mm)

CSA; UL

Fast

KLC045

Littelfuse

Electric Fuse

Inline/Holder

600 V

45 A

Tab/Blade

-55 °C (-67 °F)

200 kA

0.811 in (20.6 mm)

2.752 in (69.9 mm)

CSA; UL

125 °C (257 °F)

Very Fast

FLNR04.5ID

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

LGD45

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; IEC; UL

Time Delay

JLLS045

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 1.563 in (20.6 x 39.7 mm)

1.563 in (39.7 mm)

CSA; UL

Fast

RLN045

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

L15S045

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

0.406 in (10.3 mm)

2 in (50.8 mm)

CSA; UL

125 °C (257 °F)

Very Fast

JLLS045.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.992 in (25.2 mm)

600 V

1.563 in (39.7 mm)

CE; CSA; UL

Fast

JTD45ID

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

2.374 in (60.3 mm)

CSA; UL

Time Delay

SLC045

Littelfuse

Electric Fuse

Inline/Holder

480 V

45 A

End Cap

100 kA

0.406 in (10.3 mm)

0.406 x 2.252 in (10.3 x 57.2 mm)

2.252 in (57.2 mm)

CSA; UL

Medium Time Delay

JLLN045.T

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

LGD045

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

45 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

CCMR045.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

45 A

End Cap

200 kA

Rated Breaking Capacity at 500 VDC: 20000 A

Bulk

0.85 in (21.6 mm)

600 V

1.882 in (47.8 mm)

CE; CSA; UL

Time Delay

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

FLSR04.5

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

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.