50 A Fuses 372

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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

L70S050

Littelfuse

Electric Fuse

Inline/Holder

700 V

650 V

50 A

Tab/Blade

200 kA

Rated Breaking Capacity at 650 VDC: 20000 A

1 in (25.4 mm)

2.874 in (73 mm)

CE; CSA; UL

Very Fast

0295050.MXJ

Littelfuse

Electric Fuse

50 A

-40 °C (-40 °F)

0.898 in (22.8 mm)

0.638 in (16.2 mm)

32 V

0.898 x 0.638 x 0.846 in (22.8 x 16.2 x 21.5 mm)

0.846 in (21.5 mm)

125 °C (257 °F)

NLS050

Littelfuse

Electric Fuse

Inline/Holder

600 V

400 V

50 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

PSR070UL0050Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

50 A

Tab/Blade

177 J

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.823 in (71.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

TLS050L

Littelfuse

Electric Fuse

Inline/Holder

170 V

50 A

Tab/Blade

Silver

100 kA

Rated Breaking Capacity at 170 VDC: 100000 A

0.563 in (14.3 mm)

e4

0.563 x 0.88 in (14.3 x 22.35 mm)

0.88 in (22.35 mm)

CE; UL

157.5916.5501

Littelfuse

Electric Fuse

Inline/Holder

48 V

50 A

Tab/Blade

-40 °C (-40 °F)

300 A

200 ms

Bulk

3.228 in (82 mm)

0.787 in (20 mm)

0.024 in (0.6 mm)

125 °C (257 °F)

0895050.T

Littelfuse

Electric Fuse

Inline/Holder

58 V

50 A

Tab/Blade

4.9 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.571 in (14.5 mm)

0.472 in (12 mm)

58 V

0.63 in (16 mm)

ISO; SAE

125 °C (257 °F)

LCU50ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

LCU

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

50E1C5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 15.875 in (76.2 x 403.23 mm)

15.874 in (403.2 mm)

Medium

IDSR050ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

50 A

200 kA

IDSR

Rated Breaking Capacity at 600 VDC: 20000 A

Indicator

CSA; UL

Time Delay

0498050.MXTM6-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

13 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

Time Delay

PSR030FS0050Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

50 A

Threaded

110 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.969 in (50 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

FLNR50ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

50 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

169.6885.5501

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

26 kJ

169

Rated Breaking Capacity at 32 VDC: 1000 A

1.169 in (29.7 mm)

0.358 in (9.1 mm)

1.169 x 0.358 x 0.839 in (29.7 x 9.1 x 21.3 mm)

0.839 in (21.3 mm)

UL

4998050.M-1M6

Littelfuse

Electric Fuse

Inline/Holder

70 V

50 A

Tab/Blade

7.5 kJ

-40 °C (-40 °F)

2.5 kA

70 ms

0.63 in (16 mm)

0.496 in (12.6 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

TLS-L050

Littelfuse

Electric Fuse

Inline/Holder

170 V

50 A

Tab/Blade

Silver

Rated Breaking Capacity at 170 VDC: 100000

0.563 in (14.3 mm)

e4

0.563 x 1.74 in (14.3 x 44.196 mm)

1.74 in (44.196 mm)

UL

CBO050

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

10 kA

0.812 in (20.62 mm)

0.812 x 1.625 in (20.62 x 41.28 mm)

1.623 in (41.23 mm)

Fast

50E-1C-15.5S

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

50 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 18.875 in (76.2 x 479.43 mm)

18.875 in (479.43 mm)

Medium

0495050U

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

8.75 kJ

-40 °C (-40 °F)

1 kA

0495

Bulk

0.555 in (14.1 mm)

0.472 in (12 mm)

0.555 x 0.472 x 1.063 in (14.1 x 12 x 27 mm)

1.063 in (27 mm)

125 °C (257 °F)

Time Delay

0TLS050.TXV

Littelfuse

Electric Fuse

Inline/Holder

170 V

50 A

Tab/Blade

Silver

100 kA

Bulk

0.563 in (14.3 mm)

e4

170 V

0.563 x 0.877 in (14.3 x 22.27 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

50E-1CL-5.5

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

Tab/Blade

80 kA

4.75 in (120.65 mm)

4.75 x 15.13 in (120.65 x 384.3 mm)

15.13 in (384.3 mm)

Medium

LA70QS50-22F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

50 A

End Cap

800 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.866 in (22 mm)

0.866 x 2.283 in (22 x 58 mm)

2.283 in (58 mm)

CSA; UL

Very Fast

0581050

Littelfuse

Electric Fuse

Inline/Holder

48 V

48 V

50 A

Tab/Blade

2.5 kA

1.535 in (39 mm)

1.195 in (30.35 mm)

48 V

1.535 x 0.683 in (39 x 17.35 mm)

0.683 in (17.35 mm)

UL

Fast

NH00M50

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

50 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

8NLE-50ES

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

50 A

End Cap

80 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 17.87 in (76.2 x 453.89 mm)

17.87 in (453.89 mm)

Medium

0294050.U

Littelfuse

Electric Fuse

50 A

-40 °C (-40 °F)

Silver

0.906 in (23 mm)

0.646 in (16.4 mm)

e4

32 V

0.906 x 0.646 x 0.996 in (23 x 16.4 x 25.3 mm)

0.996 in (25.3 mm)

125 °C (257 °F)

0498050.MXM6

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

13 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

Time Delay

0299050.ZXT

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

11.3 kJ

-40 °C (-40 °F)

Silver

1 kA

40 ms

11300

Bulk

1.15 in (29.2 mm)

0.346 in (8.8 mm)

e4

32 V

1.15 x 0.348 x 0.85 in (29.21 x 8.85 x 21.59 mm)

0.85 in (21.6 mm)

UL

125 °C (257 °F)

Time Delay

995050

Littelfuse

Electric Fuse

Inline/Holder

58 V

50 A

-40 °C (-40 °F)

1 kA

0.555 in (14.1 mm)

0.472 in (12 mm)

0.555 x 0.472 x 1.063 in (14.1 x 12 x 27 mm)

1.063 in (27 mm)

125 °C (257 °F)

Slow

5NLE-50EL

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

5NLE-50E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

L25S050

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

50 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

L60S050

Littelfuse

Electric Fuse

Inline/Holder

600 V

50 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

LA70QS50-22FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

50 A

End Cap

800 mJ

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.866 in (22 mm)

0.866 x 2.283 in (22 x 58 mm)

2.283 in (58 mm)

CSA; UL

Very Fast

0295050.U

Littelfuse

Electric Fuse

50 A

-40 °C (-40 °F)

0.898 in (22.8 mm)

0.638 in (16.2 mm)

32 V

0.898 x 0.638 x 0.846 in (22.8 x 16.2 x 21.5 mm)

0.846 in (21.5 mm)

125 °C (257 °F)

1692500100

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

21 kJ

-40 °C (-40 °F)

1 kA

Bulk

1.173 in (29.8 mm)

0.358 in (9.1 mm)

40 ms

0.835 in (21.2 mm)

85 °C (185 °F)

Time Lag

SPNH050.XXDE

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

50 A

Tab/Blade

800 J

30 kA

Bulk

5.165 in (131.2 mm)

2.008 in (51 mm)

GPV

1.5 KV

NH

2.008 in (51 mm)

UL

TLS-LS050

Littelfuse

Electric Fuse

Inline/Holder

170 V

50 A

End Cap

Silver

Rated Breaking Capacity at 170 VDC: 100000

0.562 in (14.27 mm)

e4

0.562 x 0.944 in (14.27 x 23.98 mm)

0.944 in (23.98 mm)

UL

NH1CG50

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

50 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

0498050.MX1M5

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

13 kJ

-40 °C (-40 °F)

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.315 in (8 mm)

UL

125 °C (257 °F)

Time Delay

0JLS050.X

Littelfuse

Electric Fuse

Inline/Holder

600 V

50 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

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

50E-1C-8.25L

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

50 A

End Cap

80 kA

50E-1C-8.25

3 in (76.2 mm)

3 x 15.874 in (76.2 x 403.2 mm)

15.874 in (403.2 mm)

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)

153.5631.5501

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

6.9 kJ

-40 °C (-40 °F)

Tin

2 kA

100 ms

6900

0.63 in (16 mm)

0.472 in (12 mm)

e3

32 V

0.63 x 0.472 x 0.315 in (16 x 12 x 8 mm)

0.307 in (7.8 mm)

CUL; ISO; UL

125 °C (257 °F)

0CCL050.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

50 A

Tab/Blade

10 kA

0.56 in (14.22 mm)

3.07 in (77.98 mm)

Time Delay

0895050.U

Littelfuse

Electric Fuse

Inline/Holder

58 V

50 A

Tab/Blade

4.9 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.571 in (14.5 mm)

0.472 in (12 mm)

58 V

0.63 in (16 mm)

ISO; SAE

125 °C (257 °F)

50E-1C-5.5L

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

50E-1C-5.5

3 in (76.2 mm)

3 x 15.874 in (76.2 x 403.2 mm)

15.874 in (403.2 mm)

157.5917.5501

Littelfuse

Electric Fuse

Inline/Holder

48 V

50 A

Tab/Blade

-40 °C (-40 °F)

300 A

200 ms

Bulk

1.26 in (32 mm)

0.866 in (22 mm)

48 V

1.26 x 0.866 x 0.413 in (32 x 22 x 10.5 mm)

0.413 in (10.5 mm)

CUL; UL

125 °C (257 °F)

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.