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

AGY50

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

50 A

End Cap

0.25 in (6.35 mm)

32 V

9AG

1.438 in (36.5125 mm)

0498050.MXT-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

CNN050

Littelfuse

Electric Fuse

Inline/Holder

125 V

48 V

50 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

2.43 in (61.72 mm)

UL

Very Fast

0495050TXN

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

8.75 kJ

-40 °C (-40 °F)

1 kA

495

Bulk

0.555 in (14.1 mm)

0.476 in (12.1 mm)

0.555 x 0.476 x 1.063 in (14.1 x 12.1 x 27 mm)

1.063 in (27 mm)

125 °C (257 °F)

8NLE50E

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

50 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 17.87 in (76.2 x 453.89 mm)

17.875 in (454.03 mm)

Medium

FLSR050ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

50 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

15NLE-50ES

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

50 A

End Cap

60 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 23.875 in (76.2 x 606.43 mm)

23.875 in (606.43 mm)

Medium

5NLE-50ES

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

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

KLC50

Littelfuse

Electric Fuse

Inline/Holder

600 V

50 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

PAL250BP

Littelfuse

Electric Fuse

Inline/Holder

50 A

Tab/Blade

Blister

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)

0895050TXN

Littelfuse

Electric Fuse

Inline/Holder

58 V

50 A

Tab/Blade

-40 °C (-40 °F)

1 kA

Bulk

0.571 in (14.5 mm)

0.472 in (12 mm)

0.571 x 0.472 x 0.63 in (14.5 x 12 x 16 mm)

0.63 in (16 mm)

125 °C (257 °F)

0495050.TXA

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

8.8 kJ

-40 °C (-40 °F)

1 kA

40 ms

0.555 in (14.1 mm)

0.472 in (12 mm)

32 V

1.063 in (27 mm)

UL

125 °C (257 °F)

Time Delay

L70S50

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)

1 x 2.874 in (25.4 x 73 mm)

2.874 in (73 mm)

CSA; UL

Fast

0293050.H

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 1.205 in (23 x 16.4 x 30.6 mm)

1.205 in (30.6 mm)

125 °C (257 °F)

0895050T

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)

299050

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

11.3 kJ

Silver

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

1.15 in (29.21 mm)

0.348 in (8.85 mm)

e4

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

0.85 in (21.59 mm)

UL

Slow

157.5700.5501

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)

LGD050

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

50 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

Indicator

CSA; UL

Time Delay

IDSR050

Littelfuse

Electric Fuse

Inline/Holder

600 V

600 V

50 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

0294050.H

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)

SPNH050.XXDL

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

UK50BP

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

50 A

End Cap

0.25 in (6.35 mm)

32 V

1.25 in (31.75 mm)

PSR070FL0050Z

Littelfuse

Electric Fuse

Inline/Holder

1.3 KV

1 KV

50 A

Threaded

177 J

-55 °C (-67 °F)

100 kA

Rated Breaking Capacity at 1000 VDC: 150000 A

Bulk

2.913 in (74 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CCC; CUL; UL

125 °C (257 °F)

Fast

LA70QS50-14FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

50 A

End Cap

1.5 J

200 kA

Rated Breaking Capacity at 700 VDC: 100000 A

0.551 in (14 mm)

0.551 x 2.008 in (14 x 51 mm)

2.008 in (51 mm)

CSA; UL

Very Fast

0283050.MXJ

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

-40 °C (-40 °F)

40 ms

1.874 in (47.6 mm)

0.593 in (15.05 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)

0CNN050.V

Littelfuse

Electric Fuse

Inline/Holder

125 V

48 V

50 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

48 V

3.18 in (80.77 mm)

UL

Very Fast

KLNR050

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

50 A

End Cap

200 kA

KLNR

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

3 in (76.2 mm)

CSA; UL

Fast

LDZ50ES

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

50 A

End Cap

80 kA

LDZ

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

0895050.Z

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)

CY14X51G50

Littelfuse

Electric Fuse

Inline/Holder

400 V

50 A

End Cap

120 kA

0.551 in (14 mm)

400 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

Fast

142.6885.5502

Littelfuse

Electric Fuse

Inline/Holder

58 V

50 A

Tab/Blade

26 kJ

142

Rated Breaking Capacity at 58 VDC: 1000 A

Bulk

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)

DIN 72581-3; UL

LCZ50ES

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

50 A

End Cap

80 kA

LCZ

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.MXJ-C

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

-40 °C (-40 °F)

40 ms

0.864 in (21.95 mm)

0.593 in (15.05 mm)

0.929 in (23.6 mm)

125 °C (257 °F)

FLSR50ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

50 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

KLSR050

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

50 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

0498050.MXTM6

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

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.