500 V Fuses 931

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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

0FLQ.600HXR

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

600 mA

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

NH3M315

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

315 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

3.307 in (84 mm)

2.83 in (71.88 mm)

Indicator

3.307 x 2.83 x 2.835 in (84 x 71.88 x 72 mm)

2.835 in (72 mm)

VDE

FLQ4

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

4 A

End Cap

10 kA

12 s

Pre Arcing Time: Open within 12 s at 200% Rated Current

0.406 in (10.31 mm)

500 V

Midget

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Slow

0FLQ003.HXR

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

3 A

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

NH00CG6

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

6 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.02 in (51.3 mm)

0.787 in (20 mm)

Indicator

2.02 x 0.787 x 2.126 in (51.3 x 20 x 54 mm)

2.126 in (54 mm)

VDE

FLQ1.25R

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

1.25 A

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0606050.UXTHP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

50 A

Pin Wire

4.8 kJ

-55 °C (-67 °F)

Tin

2 kA

2 m

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

Tray

0.482 in (12.25 mm)

e3

500 V

0.394 x 1.26 in (10 x 32 mm)

1.315 in (33.4 mm)

CSA; UL

125 °C (257 °F)

NH3G500

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

500 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

3.307 in (84 mm)

2.83 in (71.88 mm)

Indicator

3.307 x 2.83 x 2.835 in (84 x 71.88 x 72 mm)

2.835 in (72 mm)

VDE

LA50QS125-4

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

125 A

Tab/Blade

5.6 J

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

1.22 in (31 mm)

500 V

1.22 x 2.13 in (31 x 54.1 mm)

2.13 in (54.1 mm)

CSA; UL

Fast

7945894954

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

300 mA

Tab/Blade

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE, UL

125 °C (257 °F)

Time Delay

NH00CM10

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

10 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.02 in (51.3 mm)

0.787 in (20 mm)

Indicator

2.02 x 0.787 x 2.126 in (51.3 x 20 x 54 mm)

2.126 in (54 mm)

VDE

DZ27T25

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

25 A

End Cap

80 kA

DZ

Rated Breaking Capacity at 500 VDC: 80000 A

0.846 in (21.5 mm)

Indicator

0.846 x 1.969 in (21.5 x 50 mm)

1.969 in (50 mm)

DIN; IEC; VDE

Time Lag

0977010.MXEP

Littelfuse

Electric Fuse

Through Hole Mount

500 V

450 V

10 A

Pin Wire

249 J

-55 °C (-67 °F)

100 A

10 ms

Rated Breaking Capacity at 450 VDC: 200 A, Pre Arcing Time: Open within 0.01 s at 1000% Rated Current

249

Bulk

0.228 in (5.8 mm)

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

592030

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

30 A

End Cap

Nickel

592

7945816056

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

5.6 A

End Cap

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Time Delay

0FLQ.187T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

187 mA

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

L50S020

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

20 A

End Cap

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

0.563 in (14.3 mm)

2 in (50.8 mm)

CE; CSA; UL

Very Fast

KLH500

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

500 A

Tab/Blade

200 kA

KLH

Rated Breaking Capacity at 450 VDC: 20000 A

2 in (50.8 mm)

2 x 2.22 in (50.8 x 56.4 mm)

2.22 in (56.4 mm)

CSA; UL

Fast

0477.800MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

400 V

800 mA

End Cap

909 mJ

-55 °C (-67 °F)

100 A

5 ms

Rated Breaking Capacity at 400 VDC: 1500 A

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

125 °C (257 °F)

Time Lag

NH00M100

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

100 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.126 in (54 mm)

1.181 in (30 mm)

Indicator

2.126 x 1.181 x 2.22 in (54 x 30 x 56.4 mm)

2.22 in (56.4 mm)

DIN 43620; IEC; VDE

NH2M315

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

315 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.921 in (74.2 mm)

1.969 in (50 mm)

Indicator

2.921 x 1.969 x 2.835 in (74.2 x 50 x 72 mm)

2.835 in (72 mm)

VDE

FLQ.250R

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

250 mA

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

592.500S

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

500 mA

End Cap

Silver

592

e4

7945894950

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

150 mA

Tab/Blade

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE, UL

125 °C (257 °F)

Time Delay

7945894956

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

500 mA

Tab/Blade

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE, UL

125 °C (257 °F)

Time Delay

0FLQ014.HXR

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

14 A

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

FLQ010R

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

10 A

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

L50QS275.V

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

275 A

Tab/Blade

9.655 kJ

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Bulk

1.5 in (38.1 mm)

10 ms

2.093 in (53.16 mm)

CE; CUL; UL

125 °C (257 °F)

Very Fast

FLQ.500R

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

500 mA

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

7945894979

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

4.5 A

Tab/Blade

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE, UL

125 °C (257 °F)

Time Delay

7945816041

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

2 A

End Cap

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Time Delay

0FLQ.200HXR

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

200 mA

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

0977004.MXP

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

4 A

End Cap

124 J

-55 °C (-67 °F)

100 A

Rated Breaking Capacity at 450 VDC: 200 A, Pre-Arcing Time: Open within 10 ms at 1000% Rated Current

124

Bulk

0.205 in (5.2 mm)

500 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CE; PSE; SEMKO

125 °C (257 °F)

Time Lag

7945894973

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

2.5 A

Tab/Blade

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE, UL

125 °C (257 °F)

Time Delay

L50S50

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

50 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 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

FLQ7

Littelfuse

Electric Fuse

Inline/Holder

500 V

7 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Slow

CY14X51M40

Littelfuse

Electric Fuse

Inline/Holder

500 V

40 A

End Cap

120 kA

0.551 in (14 mm)

500 V

0.551 x 2.008 in (14 x 51 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

IEC

Time Lag

FLQ02.5

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

2.5 A

End Cap

10 kA

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

Time Delay

FLQ41/2

Littelfuse

Electric Fuse

Inline/Holder

500 V

4.5 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Slow

7945894959

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

1 A

Tab/Blade

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CE, UL

125 °C (257 °F)

Time Delay

CY22X58G100

Littelfuse

Electric Fuse

Inline/Holder

500 V

100 A

End Cap

120 kA

0.866 in (22 mm)

500 V

0.866 x 2.283 in (22 x 58 mm)

0.866 x 2.283 in (22 x 58 mm)

2.283 in (58 mm)

IEC

Fast

7945816023

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

400 mA

End Cap

-55 °C (-67 °F)

10 kA

Rated Breaking Capacity at 300 VDC: 10000 A

Bulk

0.406 in (10.31 mm)

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 mm)

CSA; UL

125 °C (257 °F)

Time Delay

NH2CG40

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

40 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.402 in (61 mm)

1.575 in (40 mm)

Indicator

2.402 x 1.575 x 2.835 in (61 x 40 x 72 mm)

2.835 in (72 mm)

VDE

592015

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

15 A

End Cap

Nickel

592

L50S90

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

90 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

1 in (25.4 mm)

1 x 2.126 in (25.4 x 54 mm)

2.126 in (54 mm)

CSA; UL

Fast

FLQ25

Littelfuse

Electric Fuse

Inline/Holder

500 V

25 A

End Cap

10 kA

0.406 in (10.31 mm)

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA; UL

Slow

FLQ1.12T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

1.12 A

End Cap

-55 °C (-67 °F)

10 kA

0.406 in (10.31 mm)

500 V

Midget

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA, UL

125 °C (257 °F)

Time Lag

0FLQ.150HXR

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

150 mA

End Cap

10 kA

0.406 in (10.31 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

1.5 in (38.1 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.