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

NH1CG25

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

25 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.22 in (56.4 mm)

1.181 in (30 mm)

Indicator

2.22 x 1.181 x 2.835 in (56.4 x 30 x 72 mm)

2.835 in (72 mm)

VDE

LA50QS60-4

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

60 A

Tab/Blade

1.8 J

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

1 in (25.4 mm)

500 V

1 x 2.13 in (25.4 x 54.1 mm)

2.13 in (54.1 mm)

CSA; UL

Fast

NH0G10

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

10 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.1 in (53.34 mm)

1.181 in (30 mm)

Indicator

2.1 x 1.181 x 2.76 in (53.34 x 30 x 70.11 mm)

2.76 in (70.11 mm)

VDE

7945894964

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

7 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

KLH450

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

450 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

NH00CM25

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

25 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

0FLQ.300T

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

300 mA

End Cap

Nickel

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

L50S350

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

350 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 2.094 in (38.1 x 53.2 mm)

2.094 in (53.2 mm)

CE; CSA; UL

Very Fast

592.125

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

125 mA

End Cap

Nickel

592

L50S225

Littelfuse

Electric Fuse

Inline/Holder

500 V

450 V

225 A

Tab/Blade

200 kA

Rated Breaking Capacity at 450 VDC: 20000 A

1.5 in (38.1 mm)

1.5 x 2.094 in (38.1 x 53.2 mm)

2.094 in (53.2 mm)

CE; CSA; UL

Very Fast

FLQ8

Littelfuse

Electric Fuse

Inline/Holder

500 V

8 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

7945894967

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

1.5 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

CY10X38G2

Littelfuse

Electric Fuse

Inline/Holder

500 V

2 A

End Cap

120 kA

0.394 in (10 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

IEC

Fast

7945816043

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

2.5 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

FLQ007R

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

7 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

NH1CG100

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

100 A

Tab/Blade

120 kA

Rated Breaking Capacity at 440 VDC: 25000 A

2.22 in (56.4 mm)

1.181 in (30 mm)

Indicator

2.22 x 1.181 x 2.835 in (56.4 x 30 x 72 mm)

2.835 in (72 mm)

VDE

3581315002

Littelfuse

Electric Fuse

Inline/Holder

500 V

3.15 A

End Cap

18 J

-25 °C (-13 °F)

1.5 kA

Bulk

0.248 in (6.3 mm)

500 V

10 ms

3AB

0.248 x 1.26 in (6.3 x 32 mm)

1.26 in (32 mm)

UL

85 °C (185 °F)

Time Lag

7945894957

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

600 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

FLQ1.12R

Littelfuse

Electric Fuse

Inline/Holder

500 V

300 V

1.125 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

592008S

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

8 A

End Cap

Silver

592

e4

NH2G315

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

DZ27F6

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

6 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

Fast

LA50QS50-4

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

50 A

Tab/Blade

1.1 J

200 kA

Rated Breaking Capacity at 500 VDC: 100000 A

1 in (25.4 mm)

500 V

1 x 2.13 in (25.4 x 54.1 mm)

2.13 in (54.1 mm)

CSA; UL

Fast

CY10X38G8

Littelfuse

Electric Fuse

Inline/Holder

500 V

8 A

End Cap

120 kA

0.394 in (10 mm)

500 V

0.394 x 1.496 in (10 x 38 mm)

0.394 x 1.496 in (10 x 38 mm)

1.496 in (38 mm)

IEC

Fast

L50QS040.T

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

40 A

Tab/Blade

137 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 500 VDC: 50000 A

Bulk

1 in (25.4 mm)

10 ms

2.125 in (53.98 mm)

CE; CUL; UL

125 °C (257 °F)

Very Fast

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

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.