50 A Fuses 372

Reset All
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

50E1C2.75

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

50 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 10.875 in (76.2 x 276.23 mm)

10.874 in (276.2 mm)

Medium

LCX50E

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

50 A

End Cap

80 kA

LCX

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

0495050.UXA

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

50E1C8.25

Littelfuse

Electric Fuse

Inline/Holder

8.25 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

0498050.MX1M6

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

0CNN050E.V

Littelfuse

Electric Fuse

Inline/Holder

80 V

50 A

Tab/Blade

2.7 kA

3.181 in (80.8 mm)

80 V

3.18 in (80.77 mm)

CUL; UL

Very Fast

169.6885.5502

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

26 kJ

Tin

Rated Breaking Capacity at 32 VDC: 1000 A

1.169 in (29.7 mm)

0.358 in (9.1 mm)

e3

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

LCN50ES

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

50 A

End Cap

60 kA

LCN

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

0695050.PXPS

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

3.8 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.421 in (10.7 mm)

0.244 in (6.2 mm)

0.421 x 0.244 x 0.689 in (10.7 x 6.2 x 17.5 mm)

0.689 in (17.5 mm)

125 °C (257 °F)

TLS-LB050

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 1.367 in (14.3 x 34.72 mm)

1.367 in (34.72 mm)

UL

DZ33T50

Littelfuse

Electric Fuse

Inline/Holder

500 V

500 V

50 A

End Cap

80 kA

DZ

Rated Breaking Capacity at 500 VDC: 80000 A

1.063 in (27 mm)

Indicator

1.063 x 1.969 in (27 x 50 mm)

1.969 in (50 mm)

DIN; IEC; VDE

Time Lag

L15S50

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

50 A

End Cap

100 kA

Rated Breaking Capacity at 150 VDC: 20000 A

0.811 in (20.6 mm)

0.811 x 2 in (20.6 x 50.8 mm)

2 in (50.8 mm)

CSA; UL

Fast

156.5610.5501

Littelfuse

Electric Fuse

Inline/Holder

36 V

50 A

Tab/Blade

-40 °C (-40 °F)

625 A

1 m

Bulk

1.614 in (41 mm)

0.433 in (11 mm)

0.01 in (0.25 mm)

125 °C (257 °F)

PSR030FL0050Z

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)

CCC; CUL; UL

125 °C (257 °F)

Fast

L70QS050.V

Littelfuse

Electric Fuse

Inline/Holder

700 V

700 V

50 A

Tab/Blade

196 J

-55 °C (-67 °F)

200 kA

Rated Breaking Capacity at 700 VDC: 50000 A

Box

1 in (25.4 mm)

2.875 in (73.03 mm)

CUL; UL

125 °C (257 °F)

Very Fast

PAL050

Littelfuse

Electric Fuse

Inline/Holder

50 A

Tab/Blade

Bulk

LA15QS50-1

Littelfuse

Electric Fuse

Inline/Holder

150 V

150 V

50 A

End Cap

470 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

0495050.T

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

156.5610.5502

Littelfuse

Electric Fuse

Inline/Holder

36 V

50 A

Tab/Blade

-40 °C (-40 °F)

625 A

1 m

Bulk

1.614 in (41 mm)

0.433 in (11 mm)

0.01 in (0.25 mm)

125 °C (257 °F)

LA30QS50-4

Littelfuse

Electric Fuse

Inline/Holder

300 V

300 V

50 A

Tab/Blade

2 J

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

0.72 in (18.3 mm)

0.72 x 1.63 in (18.3 x 41.4 mm)

1.63 in (41.4 mm)

UL

Very Fast

50E1C25.8

Littelfuse

Electric Fuse

Inline/Holder

25.8 KV

50 A

End Cap

40 kA

5 m

3 in (76.2 mm)

Striker

3 x 24.625 in (76.2 x 625.48 mm)

24.875 in (631.83 mm)

Medium

15NLE50E

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

50 A

End Cap

60 kA

5 m

3 in (76.2 mm)

Striker

3 x 23.875 in (76.2 x 606.43 mm)

23.875 in (606.43 mm)

Medium

RLS050

Littelfuse

Electric Fuse

Inline/Holder

600 V

50 A

End Cap

10 kA

1.063 in (27 mm)

5.5 in (139.7 mm)

CE; CSA; UL

LCN50E

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

50 A

End Cap

60 kA

LCN

3 in (76.2 mm)

3 x 23.875 in (76.2 x 606.43 mm)

23.875 in (606.43 mm)

Medium

IDSR050.T

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)

5.5 in (139.7 mm)

CSA; UL

Time Delay

155.0892.5501

Littelfuse

Electric Fuse

Surface Mount

58 V

50 A

Wraparound

1.9 kJ

-40 °C (-40 °F)

Matte Tin

2 kA

12000

0.925 in (23.5 mm)

0.787 in (20 mm)

e3

58 V

0.925 x 0.787 x 0.453 in (23.5 x 20 x 11.5 mm)

0.453 in (11.5 mm)

UL

125 °C (257 °F)

PAL050BP

Littelfuse

Electric Fuse

Inline/Holder

50 A

Tab/Blade

Blister

CCL050

Littelfuse

Electric Fuse

Inline/Holder

125 V

50 A

Tab/Blade

10 kA

0.56 in (14.22 mm)

0.51 x 2.454 in (12.95 x 62.33 mm)

3.07 in (77.98 mm)

Time Delay

0283050.H

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)

LLSRK050

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)

1.063 x 5.5 in (27 x 139.7 mm)

5.5 in (139.7 mm)

CSA; UL

Time Delay

FLNR050ID

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

50 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

0.811 in (20.6 mm)

Indicator

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; QPL; UL

Time Delay

LGD50

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

50 A

End Cap

200 kA

LGD

Rated Breaking Capacity at 300 VDC: 20000 A

CSA; IEC; UL

Time Delay

50E1C15.5

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

50 A

End Cap

80 kA

5 m

3 in (76.2 mm)

Striker

3 x 18.875 in (76.2 x 479.43 mm)

18.875 in (479.43 mm)

Medium

142.7020.5502

Littelfuse

Electric Fuse

50 A

-40 °C (-40 °F)

Tin

1 kA

6900

0.63 in (16 mm)

0.472 in (12 mm)

e3

58 V

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)

0895050Z

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)

0999050ZXN

Littelfuse

Electric Fuse

Inline/Holder

42 V

50 A

Tab/Blade

11.3 kJ

-40 °C (-40 °F)

Silver

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)

125 °C (257 °F)

LCX50ES

Littelfuse

Electric Fuse

Inline/Holder

2.75 KV

50 A

End Cap

80 kA

LCX

Hermitically Sealed Part Number

3 in (76.2 mm)

3 x 10.875 in (76.2 x 276.23 mm)

10.875 in (276.23 mm)

Medium

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

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.