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

L60S50

Littelfuse

Electric Fuse

Inline/Holder

600 V

50 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

LA15QS50-4

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

50 A

End Cap

640 mJ

100 kA

Rated Breaking Capacity at 150 VDC: 100000 A

0.811 in (20.6 mm)

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

UL

Very Fast

LA70QS50-14F

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

UK50CABP

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)

NLKP050

Littelfuse

Electric Fuse

Inline/Holder

250 V

50 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

RLN050

Littelfuse

Electric Fuse

Inline/Holder

250 V

50 A

End Cap

10 kA

0.811 in (20.6 mm)

3 in (76.2 mm)

CE; CSA; UL

0498050.M-CN

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

13 kJ

-40 °C (-40 °F)

Tin

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

e3

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

50E-1C-5.5S

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 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

CCK050

Littelfuse

Electric Fuse

Inline/Holder

125 V

50 A

Tab/Blade

10 kA

0.81 in (20.57 mm)

0.75 x 3.629 in (19.05 x 92.18 mm)

3.74 in (94.99 mm)

Time Delay

0283050.U

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)

153.7010.5501

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

6.9 kJ

Tin

2 kA

Bulk

0.63 in (16 mm)

0.472 in (12 mm)

e3

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

0.315 in (8 mm)

UL

50E2C38.0

Littelfuse

Electric Fuse

Inline/Holder

38 KV

50 A

End Cap

20 kA

5 m

6.382 in (162.1 mm)

Striker

6.38 x 30.625 in (162.05 x 777.88 mm)

30.875 in (784.23 mm)

Medium

FLSR050.T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

50 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

PSR030US0050Z

Littelfuse

Electric Fuse

Inline/Holder

700 V

600 V

50 A

Tab/Blade

110 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 600 VDC: 150000 A

Bulk

1.878 in (47.7 mm)

1.693 in (43 mm)

Indicator

3.067 in (77.9 mm)

CUL; UL

125 °C (257 °F)

Fast

153.7010.5502

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)

0498050.MXM6-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)

0.63 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

CNN050E

Littelfuse

Electric Fuse

Inline/Holder

125 V

80 V

50 A

Tab/Blade

2.7 kA

3.181 in (80.8 mm)

3.18 in (80.77 mm)

CUL; UL

Very Fast

PAL250

Littelfuse

Electric Fuse

Inline/Holder

50 A

Tab/Blade

Bulk

0299050.L

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

8NLE-20EL

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

50 A

End Cap

80 kA

8NLE-20E

3 in (76.2 mm)

3 x 17.874 in (76.2 x 454 mm)

17.874 in (454 mm)

L25S50

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)

0.811 x 1.626 in (20.6 x 41.3 mm)

1.626 in (41.3 mm)

CSA; UL

Fast

0495050UXA

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

0TLS050.TXLB

Littelfuse

Electric Fuse

Inline/Holder

170 V

50 A

Tab/Blade

100 kA

Bulk

0.563 in (14.3 mm)

170 V

0.563 x 0.88 in (14.3 x 22.35 mm)

0.877 in (22.28 mm)

CUL; IEC; TUV; UL

CY22X58G50

Littelfuse

Electric Fuse

Inline/Holder

690 V

50 A

End Cap

80 kA

0.866 in (22 mm)

690 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

0695050.PXPS-HT

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

5.7 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.421 in (10.7 mm)

0.244 in (6.2 mm)

0.689 in (17.5 mm)

125 °C (257 °F)

PAL450

Littelfuse

Electric Fuse

Inline/Holder

50 A

Tab/Blade

Bulk

D0Z18G50

Littelfuse

Electric Fuse

Inline/Holder

380 V

250 V

50 A

End Cap

50 kA

D0Z1

Rated Breaking Capacity at 250 VDC: 50000 A

0.591 in (15 mm)

Indicator

0.591 x 1.417 in (15 x 36 mm)

1.417 in (36 mm)

DIN; IEC; VDE

Fast

JLLN050.TXP

Littelfuse

Electric Fuse

Inline/Holder

300 V

160 V

50 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

L15S050

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

50 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

50E-1C-25.8S

Littelfuse

Electric Fuse

Inline/Holder

25.8 KV

50 A

End Cap

40 kA

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 24.625 in (76.2 x 625.48 mm)

24.625 in (625.48 mm)

Medium

LA100P50-4TI

Littelfuse

Electric Fuse

Inline/Holder

1 KV

750 V

50 A

Tab/Blade

4.5 J

100 kA

Rated Breaking Capacity at 750 VDC: 100000 A

1 in (25.4 mm)

Indicator

1 x 6.811 in (25.4 x 173 mm)

6.811 in (173 mm)

UL

Very Fast

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

CCMR050

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

50 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.85 in (21.6 mm)

0.85 x 1.882 in (21.6 x 47.8 mm)

1.882 in (47.8 mm)

CE; CSA; UL

Time Delay

5NLE50E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 17.875 in (76.2 x 454.03 mm)

17.875 in (454.03 mm)

Medium

50E-1C-15.5L

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

50 A

End Cap

60 kA

50E-1C-15.5

3 in (76.2 mm)

3 x 18.874 in (76.2 x 479.4 mm)

18.874 in (479.4 mm)

2CO050

Littelfuse

Electric Fuse

Inline/Holder

600 V

250 V

50 A

Tab/Blade

200 kA

2CO

Rated Breaking Capacity at 250 VDC: 80000 A

1.024 in (26 mm)

1.024 x 2.244 in (26 x 57 mm)

2.244 in (57 mm)

CSA

0CNL050.V

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

50 A

Tab/Blade

2.5 kA

3.181 in (80.8 mm)

32 V

UL

Fast

999050

Littelfuse

Electric Fuse

Inline/Holder

58 V

50 A

Tab/Blade

Silver

1 kA

Rated Breaking Capacity at 58 VDC: 1000 A

1.15 in (29.21 mm)

0.335 in (8.51 mm)

e4

1.15 x 0.335 x 0.872 in (29.21 x 8.51 x 22.15 mm)

0.872 in (22.15 mm)

Slow

0294050.MXJ

Littelfuse

Electric Fuse

50 A

-40 °C (-40 °F)

0.906 in (23 mm)

0.646 in (16.4 mm)

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)

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.