Circuit Protection – Mouser Singapore

.hide-partial { max-height: none; } .show-more { display: none; }

Industrial Manufacturing & Processing Portfolio

Littelfuse Industrial Manufacturing and Processing Portfolio encompasses protection, control, and sensing products, including fuses, protection relays, DC disconnect switches, surge protective devices, and temperature sensors. These products safeguard equipment from damage and personnel from injury due to electrical faults, while reducing costs and minimizing downtime. These devices also limit equipment damage and improve productivity.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 2,243

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Specialty Fuses 70A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS070.V
Littelfuse
1: $125.66
207In Stock

Mfr. Part No.
L70QS070.V

Mouser Part No
576-L70QS070.V

Littelfuse

Specialty Fuses 70A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

207In Stock

$125.66

$115.22

$109.99

$97.49

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting

KLKR002.T
Littelfuse
1: $32.40
1,436In Stock

Mfr. Part No.
KLKR002.T

Mouser Part No
576-KLKR002.T

Littelfuse

Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting

Learn More

Datasheet

1,436In Stock

$32.40

$29.43

$20.16

$19.29

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .5A 600VAC 300VDC Slo-Blo

KLDR.500TXP
Littelfuse
1: $52.49
1,197In Stock

Mfr. Part No.
KLDR.500TXP

Mouser Part No
576-KLDR.500TXP

Littelfuse

Industrial & Electrical Fuses .5A 600VAC 300VDC Slo-Blo

Learn More

Datasheet

1,197In Stock

$52.49

$45.37

$31.65

$27.20

$26.65

Min.: 1
Mult.: 1

Specialty Fuses SQB SIZE 1XL BOLTED BL 400A

PSX1XLUB0400X
Littelfuse
1: $780.87
6In Stock

Mfr. Part No.
PSX1XLUB0400X

Mouser Part No
576-PSX1XLUB0400X

Littelfuse

Specialty Fuses SQB SIZE 1XL BOLTED BL 400A

Learn More

Datasheet

6In Stock

$780.87

$692.69

$582.10

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 25A 500VAC Midget

0FLQ025.T
Littelfuse
1: $40.23
116In Stock

Mfr. Part No.
0FLQ025.T

Mouser Part No
576-0FLQ025.T

Littelfuse

Industrial & Electrical Fuses 25A 500VAC Midget

Learn More

Datasheet

116In Stock

$40.23

$34.15

$26.84

$22.96

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 25A 600VAC 300VDC Slo-Blo

KLDR025.TXP
Littelfuse
1: $41.88
336In Stock

Mfr. Part No.
KLDR025.TXP

Mouser Part No
576-KLDR025.TXP

Littelfuse

Industrial & Electrical Fuses 25A 600VAC 300VDC Slo-Blo

Datasheet

336In Stock

$41.88

$37.82

$28.43

$25.91

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 15A 600VAC 500VDC Midget

0KLK015.T
Littelfuse
1: $19.97
601In Stock

Mfr. Part No.
0KLK015.T

Mouser Part No
576-0KLK015.T

Littelfuse

Industrial & Electrical Fuses 15A 600VAC 500VDC Midget

Learn More

Datasheet

601In Stock

$19.97

$18.75

$18.58

$18.00

$16.97

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .25A 600VAC 300VDC Slo-Blo

KLDR.250TXP
Littelfuse
1: $38.16
459In Stock

Mfr. Part No.
KLDR.250TXP

Mouser Part No
576-KLDR.250TXP

Littelfuse

Industrial & Electrical Fuses .25A 600VAC 300VDC Slo-Blo

Learn More

Datasheet

459In Stock

$38.16

$37.74

$25.10

$25.02

Min.: 1
Mult.: 1

Specialty Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED

L70QS100.V
Littelfuse
1: $131.62
19In Stock

Mfr. Part No.
L70QS100.V

Mouser Part No
576-L70QS100.V

Littelfuse

Specialty Fuses 100A 700VAC 700VDC FF L70QS POWR-SPEED

Learn More

Datasheet

19In Stock

$131.62

$105.04

$104.38

$96.97

Min.: 1
Mult.: 1

Specialty Fuses 400A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS400.V
Littelfuse
1: $134.23
41In Stock

Mfr. Part No.
L50QS400.V

Mouser Part No
576-L50QS400.V

Littelfuse

Specialty Fuses 400A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

41In Stock

$134.23

$127.34

$125.88

$116.43

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 5A 600VAC 500VDC Midget

0KLK005.T
Littelfuse
1: $21.82
754In Stock

Mfr. Part No.
0KLK005.T

Mouser Part No
576-0KLK005.T

Littelfuse

Industrial & Electrical Fuses 5A 600VAC 500VDC Midget

Learn More

Datasheet

754In Stock

$21.82

$20.06

$18.96

$17.14

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600A 300VAC 125VDC Class T

JLLN600.X
Littelfuse
1: $193.36
24In Stock

Mfr. Part No.
JLLN600.X

Mouser Part No
576-JLLN600.X

Littelfuse

Industrial & Electrical Fuses 600A 300VAC 125VDC Class T

Learn More

Datasheet

24In Stock

$193.36

$173.50

$167.24

$156.79

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 150A 600VAC 300VDC Class T

JLLS150.X
Littelfuse
1: $87.28
29In Stock

Mfr. Part No.
JLLS150.X

Mouser Part No
576-JLLS150.X

Littelfuse

Industrial & Electrical Fuses 150A 600VAC 300VDC Class T

Learn More

Datasheet

29In Stock

$87.28

$76.26

$73.35

$70.39

View

Min.: 1
Mult.: 1

Specialty Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

L50QS600.X
Littelfuse
1: $183.23
93In Stock

Mfr. Part No.
L50QS600.X

Mouser Part No
576-L50QS600.X

Littelfuse

Specialty Fuses 600A 500VAC 500VDC FF L50QS POWR-SPEED

Learn More

Datasheet

93In Stock

$183.23

$170.36

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.5C MELF

HM104J1A
Littelfuse
1: $2.79
5,446In Stock

Mfr. Part No.
HM104J1A

Mouser Part No
576-HM104J1A

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 100K OHM 0.5C MELF

Learn More

Datasheet

5,446In Stock

$2.79

$2.15

$1.79

$1.77

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 400A 300VAC 125VDC Class T

JLLN400.X
Littelfuse
1: $111.24
111In Stock

Mfr. Part No.
JLLN400.X

Mouser Part No
576-JLLN400.X

Littelfuse

Industrial & Electrical Fuses 400A 300VAC 125VDC Class T

Learn More

Datasheet

111In Stock

$111.24

$103.21

$97.81

$93.83

Quote

Min.: 1
Mult.: 1

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A

L75QS080.V
Littelfuse
1: $174.49
39In Stock

Mfr. Part No.
L75QS080.V

Mouser Part No
576-L75QS080.V

Littelfuse

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 80A

Learn More

Datasheet

39In Stock

$174.49

$144.66

$133.40

$121.35

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 30K 10%

GS303J1K
Littelfuse
1: $2.04
2,816In Stock

Mfr. Part No.
GS303J1K

Mouser Part No
576-GS303J1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 30K 10%

Learn More

Datasheet

2,816In Stock

$2.04

$1.88

$1.71

$1.64

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .4A 600VAC 300VDC Slo-Blo

KLDR.400TXP
Littelfuse
1: $45.66
76In Stock

Mfr. Part No.
KLDR.400TXP

Mouser Part No
576-KLDR.400TXP

Littelfuse

Industrial & Electrical Fuses .4A 600VAC 300VDC Slo-Blo

Learn More

Datasheet

76In Stock

$45.66

$42.37

$28.77

$28.68

View

Min.: 1
Mult.: 1

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A

L75QS200.V
Littelfuse
1: $233.24
91In Stock

Mfr. Part No.
L75QS200.V

Mouser Part No
576-L75QS200.V

Littelfuse

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 200A

Learn More

Datasheet

91In Stock

$233.24

$193.38

$180.10

$144.48

$132.97

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 25A 600VAC 600VDC F/A MIDGET

KLKD025.HXR
Littelfuse
1: $43.90
83In Stock

Mfr. Part No.
KLKD025.HXR

Mouser Part No
576-KLKD025.HXR

Littelfuse

Industrial & Electrical Fuses 25A 600VAC 600VDC F/A MIDGET

Learn More

Datasheet

83In Stock

$43.90

$36.42

$33.60

$27.83

View

Min.: 1
Mult.: 1

Specialty Fuses SQB SIZE 1XL DIN BL 630A

PSX1XLDB0630X
Littelfuse
1: $749.86
15In Stock

Mfr. Part No.
PSX1XLDB0630X

Mouser Part No
576-PSX1XLDB0630X

Littelfuse

Specialty Fuses SQB SIZE 1XL DIN BL 630A

Learn More

Datasheet

15In Stock

$749.86

$725.97

$684.99

Min.: 1
Mult.: 1

Specialty Fuses 40A 750V

L75QS040.V
Littelfuse
1: $122.13
83In Stock

Mfr. Part No.
L75QS040.V

Mouser Part No
576-L75QS040.V

Littelfuse

Specialty Fuses 40A 750V

Learn More

Datasheet

83In Stock

$122.13

$108.73

$97.77

$85.21

View

Min.: 1
Mult.: 1

Specialty Fuses SQB SIZE 1XL DIN BL 125A

PSX1XLDB0125X
Littelfuse
1: $432.78
14In Stock

Mfr. Part No.
PSX1XLDB0125X

Mouser Part No
576-PSX1XLDB0125X

Littelfuse

Specialty Fuses SQB SIZE 1XL DIN BL 125A

Learn More

Datasheet

14In Stock

$432.78

$416.36

$389.39

Min.: 1
Mult.: 1

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A

L75QS125.V
Littelfuse
1: $189.00
62In Stock

Mfr. Part No.
L75QS125.V

Mouser Part No
576-L75QS125.V

Littelfuse

Specialty Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 125A

Learn More

Datasheet

62In Stock

$189.00

$167.65

$156.96

$145.55

View

Min.: 1
Mult.: 1

Industrial Manufacturing & Processing Portfolio

Types of Circuit Protection

Customer Service Office

Company

Resources

Support