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

LLSRK050ID

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; UL

Time Delay

156.5677.5501

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

21.3 kJ

-40 °C (-40 °F)

1 kA

10 ms

Bulk

1.654 in (42 mm)

0.472 in (12 mm)

1.654 x 0.472 x 0.016 in (42 x 12 x 0.4 mm)

0.016 in (0.4 mm)

125 °C (257 °F)

LA100P50-4

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)

1 x 6.811 in (25.4 x 173 mm)

6.811 in (173 mm)

UL

Very Fast

UK50

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)

0495050Z

Littelfuse

Electric Fuse

Inline/Holder

32 V

32 V

50 A

Tab/Blade

8.75 kJ

-40 °C (-40 °F)

1 kA

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

0899050.Z

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

16.5 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

0.638 in (16.2 mm)

0.256 in (6.5 mm)

0.394 in (10 mm)

125 °C (257 °F)

LDN50ES

Littelfuse

Electric Fuse

Inline/Holder

15.5 KV

50 A

End Cap

80 kA

LDN

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

SPNH050.XXDEMS

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)

NH

2.008 in (51 mm)

UL

498050

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

-40 °C (-40 °F)

1 kA

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)

142.7010.5502

Littelfuse

Electric Fuse

Inline/Holder

58 V

50 A

Tab/Blade

6.9 kJ

-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)

0.307 in (7.8 mm)

UL

125 °C (257 °F)

0995050Z

Littelfuse

Electric Fuse

Inline/Holder

58 V

50 A

8.75 kJ

-40 °C (-40 °F)

1 kA

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)

DZ33F50

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

Fast

SPNH050.X

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)

NH

2.008 in (51 mm)

UL

CY14X51M50

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

Time Lag

50E-2C-38.0S

Littelfuse

Electric Fuse

Inline/Holder

38 KV

50 A

End Cap

20 kA

Hermitically Sealed Part Number

6.38 in (162.05 mm)

6.38 x 30.625 in (162.05 x 777.88 mm)

30.625 in (777.88 mm)

Medium

153.5631.5502

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)

0293050.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 1.205 in (23 x 16.4 x 30.6 mm)

1.205 in (30.6 mm)

125 °C (257 °F)

SPNH050.XXDLMS

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)

NH

2.008 in (51 mm)

UL

NH00CM50

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

50 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

50E-1CL-8.25

Littelfuse

Electric Fuse

Inline/Holder

8.25 KV

50 A

Tab/Blade

80 kA

4.75 in (120.65 mm)

4.75 x 16.131 in (120.65 x 409.72 mm)

16.131 in (409.72 mm)

Medium

0HEV050.ZXISO2

Littelfuse

Electric Fuse

Inline/Holder

275 V

50 A

Tab/Blade

1.495 kJ

-40 °C (-40 °F)

10 kA

50 ms

0.406 in (10.3 mm)

1.492 in (37.9 mm)

CSA; UL

125 °C (257 °F)

JLLN050P

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)

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

10EV050.ZXC

Littelfuse

Electric Fuse

Inline/Holder

500 V

50 A

End Cap

7.803 kJ

-40 °C (-40 °F)

20 kA

50 ms

Bulk

0.406 in (10.3 mm)

1.531 in (38.9 mm)

125 °C (257 °F)

Time Delay

10EV050.ZXISO

Littelfuse

Electric Fuse

Inline/Holder

500 V

50 A

Tab/Blade

7.803 kJ

-40 °C (-40 °F)

20 kA

50 ms

Bulk

0.406 in (10.3 mm)

1.531 in (38.9 mm)

125 °C (257 °F)

Time Delay

10EV050.ZXPY

Littelfuse

Electric Fuse

Inline/Holder

500 V

50 A

Tab/Blade

7.803 kJ

-40 °C (-40 °F)

20 kA

50 ms

Bulk

0.406 in (10.3 mm)

1.531 in (38.9 mm)

125 °C (257 °F)

Time Delay

10EV050.ZXPCB

Littelfuse

Electric Fuse

Inline/Holder

500 V

50 A

Tab/Blade

7.803 kJ

-40 °C (-40 °F)

20 kA

50 ms

Bulk

0.406 in (10.3 mm)

1.531 in (38.9 mm)

125 °C (257 °F)

Time Delay

10EV050.ZXPCBL

Littelfuse

Electric Fuse

Inline/Holder

500 V

50 A

Tab/Blade

7.803 kJ

-40 °C (-40 °F)

20 kA

50 ms

Bulk

0.406 in (10.3 mm)

1.531 in (38.9 mm)

125 °C (257 °F)

Time Delay

10EV050.ZXBDP

Littelfuse

Electric Fuse

Inline/Holder

500 V

50 A

Tab/Blade

7.803 kJ

-40 °C (-40 °F)

20 kA

50 ms

Bulk

0.406 in (10.3 mm)

1.531 in (38.9 mm)

125 °C (257 °F)

Time Delay

0MAX050.XPGLO

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

-40 °C (-40 °F)

1 kA

40 ms

Bulk

1.15 in (29.21 mm)

0.348 in (8.85 mm)

0.85 in (21.59 mm)

125 °C (257 °F)

Time Delay

30-1050

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

-40 °C (-40 °F)

1 kA

40 ms

Bulk

1.15 in (29.21 mm)

0.348 in (8.85 mm)

0.85 in (21.59 mm)

125 °C (257 °F)

Time Delay

0JTD050.TXID

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)

Indicator

2.374 in (60.3 mm)

CSA; UL

Time Delay

SPXV050.T

Littelfuse

Electric Fuse

Inline/Holder

1.5 KV

50 A

End Cap

657 J

50 kA

6 m

Bulk

0.813 in (20.65 mm)

GPV

1.5 KV

0.787 x 5 in (20 x 127 mm)

5 in (127 mm)

CUL; UL

Fast

4998050.M-M6

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)

PSR030UL0050Z

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

MAX50BP

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

11.3 kJ

-40 °C (-40 °F)

1 kA

40 ms

Bulk

1.15 in (29.2 mm)

0.346 in (8.8 mm)

0.85 in (21.6 mm)

UL

125 °C (257 °F)

Slow

0498050

Littelfuse

Electric Fuse

Inline/Holder

32 V

50 A

Tab/Blade

-40 °C (-40 °F)

1 kA

Rated Breaking Capacity at 32 VDC: 1000 A

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)

LLNRK050

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)

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

4998050.M-NH

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)

KLB50

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

50 A

Tab/Blade

200 kA

KLB

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

LCY50E

Littelfuse

Electric Fuse

Inline/Holder

5.5 KV

50 A

End Cap

80 kA

LCY

3 in (76.2 mm)

3 x 15.875 in (76.2 x 403.23 mm)

15.875 in (403.23 mm)

Medium

TLN050

Littelfuse

Electric Fuse

Inline/Holder

170 V

50 A

End Cap

Rated Breaking Capacity at 170 VDC: 100000 A

0.811 in (20.6 mm)

0.811 x 3 in (20.6 x 76.2 mm)

3 in (76.2 mm)

UL

Fast

JLLN050

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)

0.563 x 0.874 in (14.3 x 22.2 mm)

0.874 in (22.2 mm)

CE; CSA; CUL; UL

Fast

0498050.MX1M6-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

NH0G50

Littelfuse

Electric Fuse

Inline/Holder

500 V

440 V

50 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

0999050.ZXN

Littelfuse

Electric Fuse

Inline/Holder

58 V

50 A

Tab/Blade

11.3 kJ

-40 °C (-40 °F)

Silver

1 kA

40 ms

Bulk

1.15 in (29.2 mm)

0.35 in (8.9 mm)

e4

1.15 x 0.335 x 0.85 in (29.21 x 8.51 x 21.6 mm)

0.85 in (21.6 mm)

SAE; UL

125 °C (257 °F)

Slow

166.6885.5501

Littelfuse

Electric Fuse

Inline/Holder

80 V

50 A

Tab/Blade

25 kJ

1 kA

166.6885

Rated Breaking Capacity at 80VDC: 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)

UL

FLNR050

Littelfuse

Electric Fuse

Inline/Holder

250 V

125 V

50 A

End Cap

200 kA

Rated Breaking Capacity at 125 VDC: 20000 A

Bulk

0.815 in (20.7 mm)

3 in (76.2 mm)

CSA; UL

Time Delay

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

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.