690 V Fuses 148

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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

LA70QS12-14F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

12 A

End Cap

60 mJ

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

CY14X51M25

Littelfuse

Electric Fuse

Inline/Holder

690 V

25 A

End Cap

80 kA

0.551 in (14 mm)

690 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

LA70QS16-14F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

16 A

End Cap

100 mJ

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

CY14X51G25

Littelfuse

Electric Fuse

Inline/Holder

690 V

25 A

End Cap

80 kA

0.551 in (14 mm)

690 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

CY14X51M4

Littelfuse

Electric Fuse

Inline/Holder

690 V

4 A

End Cap

80 kA

0.551 in (14 mm)

690 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

CY14X51M12

Littelfuse

Electric Fuse

Inline/Holder

690 V

12 A

End Cap

80 kA

0.551 in (14 mm)

690 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

LA70QS63-22FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

63 A

End Cap

1.85 J

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

CY14X51G16

Littelfuse

Electric Fuse

Inline/Holder

690 V

16 A

End Cap

80 kA

0.551 in (14 mm)

690 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

LA70QS10-14FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

10 A

End Cap

40 mJ

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

CY22X58G32

Littelfuse

Electric Fuse

Inline/Holder

690 V

32 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

LA70QS25-22F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

25 A

End Cap

125 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

CY14X51G8

Littelfuse

Electric Fuse

Inline/Holder

690 V

8 A

End Cap

80 kA

0.551 in (14 mm)

690 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

CY14X51M8

Littelfuse

Electric Fuse

Inline/Holder

690 V

8 A

End Cap

80 kA

0.551 in (14 mm)

690 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

CY14X51M10

Littelfuse

Electric Fuse

Inline/Holder

690 V

10 A

End Cap

80 kA

0.551 in (14 mm)

690 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

CY22X58M63

Littelfuse

Electric Fuse

Inline/Holder

690 V

63 A

End Cap

80 kA

0.866 in (22 mm)

500 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

Time Lag

CY22X58G40

Littelfuse

Electric Fuse

Inline/Holder

690 V

40 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

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

CY22X58G25

Littelfuse

Electric Fuse

Inline/Holder

690 V

25 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

LA70QS20-22F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

20 A

End Cap

76 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

LA70QS32-14FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

32 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

LA70QS40-14FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

40 A

End Cap

700 mJ

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

LA70QS40-14F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

40 A

End Cap

700 mJ

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

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

LA70QS25-14F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

25 A

End Cap

270 mJ

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

LA70QS80-22F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

80 A

End Cap

3.8 J

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

CY22X58M25

Littelfuse

Electric Fuse

Inline/Holder

690 V

25 A

End Cap

80 kA

0.866 in (22 mm)

500 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

Time Lag

LA70QS20-14F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

20 A

End Cap

160 mJ

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

CY22X58G16

Littelfuse

Electric Fuse

Inline/Holder

690 V

16 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

CY14X51M6

Littelfuse

Electric Fuse

Inline/Holder

690 V

6 A

End Cap

80 kA

0.551 in (14 mm)

690 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

CY22X58M16

Littelfuse

Electric Fuse

Inline/Holder

690 V

16 A

End Cap

80 kA

0.866 in (22 mm)

500 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

Time Lag

LA70QS20-22FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

20 A

End Cap

76 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

LA70QS100-22F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

100 A

End Cap

8 J

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

LA70QS32-14F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

32 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

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

LA70QS40-22F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

40 A

End Cap

480 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

CY22X58G20

Littelfuse

Electric Fuse

Inline/Holder

690 V

20 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

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

CY14X51G4

Littelfuse

Electric Fuse

Inline/Holder

690 V

4 A

End Cap

80 kA

0.551 in (14 mm)

690 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

LA70QS25-22FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

25 A

End Cap

125 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

CY22X58M20

Littelfuse

Electric Fuse

Inline/Holder

690 V

20 A

End Cap

80 kA

0.866 in (22 mm)

500 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

Time Lag

LA70QS20-14FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

20 A

End Cap

160 mJ

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

CY14X51M16

Littelfuse

Electric Fuse

Inline/Holder

690 V

16 A

End Cap

80 kA

0.551 in (14 mm)

690 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

CY14X51G12

Littelfuse

Electric Fuse

Inline/Holder

690 V

12 A

End Cap

80 kA

0.551 in (14 mm)

690 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

CY22X58G63

Littelfuse

Electric Fuse

Inline/Holder

690 V

63 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

LA70QS32-22F

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

32 A

End Cap

270 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

LA70QS80-22FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

80 A

End Cap

3.8 J

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

LA70QS16-14FI

Littelfuse

Electric Fuse

Inline/Holder

690 V

700 V

16 A

End Cap

100 mJ

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

CY14X51G2

Littelfuse

Electric Fuse

Inline/Holder

690 V

2 A

End Cap

80 kA

0.551 in (14 mm)

690 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

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.