Circuit Protection – Mouser United Kingdom

.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: 1,462

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 #

Industrial & Electrical Fuses .5A 600VAC 300VDC Fast Acting

KLKR.500TS
Littelfuse
1: £41.57
21In Stock

Mfr. Part No.
KLKR.500TS

Mouser Part No
576-KLKR.500TS

Littelfuse

Industrial & Electrical Fuses .5A 600VAC 300VDC Fast Acting

Learn More

Datasheet

21In Stock

£41.57

£34.62

£31.99

£27.45

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 3A 600VAC 300VDC Fast Acting

KLKR003.TS
Littelfuse
1: £41.57
9In Stock

Mfr. Part No.
KLKR003.TS

Mouser Part No
576-KLKR003.TS

Littelfuse

Industrial & Electrical Fuses 3A 600VAC 300VDC Fast Acting

Learn More

Datasheet

9In Stock

£41.57

£34.62

£31.99

£27.45

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .5A 600VAC Midget

0BLS.500T
Littelfuse
1: £10.00
5In Stock

Mfr. Part No.
0BLS.500T

Mouser Part No
576-0BLS.500T

Littelfuse

Industrial & Electrical Fuses .5A 600VAC Midget

Learn More

Datasheet

5In Stock

£10.00

£9.66

£7.18

£6.65

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .2A 250VAC Midget

0FLM.200T
Littelfuse
1: £13.65
65In Stock

Mfr. Part No.
0FLM.200T

Mouser Part No
576-0FLM.200T

Littelfuse

Industrial & Electrical Fuses .2A 250VAC Midget

Learn More

Datasheet

65In Stock

£13.65

£12.09

£11.08

£9.57

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .25A 250VAC Midget

0FLM.250T
Littelfuse
1: £13.65
8In Stock

Mfr. Part No.
0FLM.250T

Mouser Part No
576-0FLM.250T

Littelfuse

Industrial & Electrical Fuses .25A 250VAC Midget

Learn More

Datasheet

8In Stock

£13.65

£12.09

£11.08

£9.57

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .4A 250VAC Midget

0FLM.400T
Littelfuse
1: £13.65
8In Stock

Mfr. Part No.
0FLM.400T

Mouser Part No
576-0FLM.400T

Littelfuse

Industrial & Electrical Fuses .4A 250VAC Midget

Learn More

Datasheet

8In Stock

£13.65

£12.09

£11.08

£9.57

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2K OHM 10% GLASS BEAD

GL202F9J
Littelfuse
1: £1.31
500In Stock

Mfr. Part No.
GL202F9J

Mouser Part No
576-GL202F9J

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 2K OHM 10% GLASS BEAD

Learn More

Datasheet

500In Stock

£1.31

£0.986

£0.788

£0.736

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 70A 300VAC 125VDC CLASS T

JLLN070.VXP
Littelfuse
1: £41.21
23In Stock

Mfr. Part No.
JLLN070.VXP

Mouser Part No
576-JLLN070.VXP

Littelfuse

Industrial & Electrical Fuses 70A 300VAC 125VDC CLASS T

Learn More

Datasheet

23In Stock

£41.21

£34.32

£31.72

£27.21

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 400A 600VAC 300VDC CLASS T

JLLS400.XXP
Littelfuse
1: £196.36
1In Stock

Mfr. Part No.
JLLS400.XXP

Mouser Part No
576-JLLS400.XXP

Littelfuse

Industrial & Electrical Fuses 400A 600VAC 300VDC CLASS T

Learn More

Datasheet

1In Stock

£196.36

£162.75

£150.05

£123.98

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 300V F/A CLASS T 125A

JLLN125.XXP
Littelfuse
1: £61.82
1In Stock

Mfr. Part No.
JLLN125.XXP

Mouser Part No
576-JLLN125.XXP

Littelfuse

Industrial & Electrical Fuses 300V F/A CLASS T 125A

Learn More

Datasheet

1In Stock

£61.82

£51.28

£48.21

£40.18

£37.50

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 110A 300VAC 125VDC Class T

JLLN110.X
Littelfuse
1: £59.88
2In Stock

Mfr. Part No.
JLLN110.X

Mouser Part No
576-JLLN110.X

Littelfuse

Industrial & Electrical Fuses 110A 300VAC 125VDC Class T

Learn More

Datasheet

2In Stock

£59.88

£49.66

£45.95

£38.30

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 6A 600VAC 300VDC Class T

JLLS006.T
Littelfuse
1: £25.17
1In Stock

Mfr. Part No.
JLLS006.T

Mouser Part No
576-JLLS006.T

Littelfuse

Industrial & Electrical Fuses 6A 600VAC 300VDC Class T

Learn More

Datasheet

1In Stock

£25.17

£20.88

£19.26

£15.96

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 30A 600VAC 300VDC CLASS T

JLLS030.TXP
Littelfuse
1: £24.93
6In Stock

Mfr. Part No.
JLLS030.TXP

Mouser Part No
576-JLLS030.TXP

Littelfuse

Industrial & Electrical Fuses 30A 600VAC 300VDC CLASS T

Learn More

Datasheet

6In Stock

£24.93

£20.68

£19.08

£15.80

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

DC102F2K
Littelfuse
1: £0.773
532In Stock

Mfr. Part No.
DC102F2K

Mouser Part No
803-DC102F2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR

Learn More

Datasheet

532In Stock

£0.773

£0.729

£0.641

£0.602

View

Min.: 1
Mult.: 1

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

KLKR002.TS
Littelfuse
1: £41.57
12In Stock

Mfr. Part No.
KLKR002.TS

Mouser Part No
576-KLKR002.TS

Littelfuse

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

Learn More

Datasheet

12In Stock

£41.57

£34.62

£31.99

£27.45

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .6A 500VAC Midget

0FLQ.600T
Littelfuse
1: £24.43
2In Stock

Mfr. Part No.
0FLQ.600T

Mouser Part No
576-0FLQ.600T

Littelfuse

Industrial & Electrical Fuses .6A 500VAC Midget

Learn More

Datasheet

2In Stock

£24.43

£20.26

£18.70

£15.49

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R

GS501D1K
Littelfuse
1: £1.96
101In Stock
500Expected 18/06/2026

Mfr. Part No.
GS501D1K

Mouser Part No
576-GS501D1K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, US SENSO R

Learn More

Datasheet

101In Stock

500Expected 18/06/2026

£1.96

£1.85

£1.80

£0.882

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 40A 300VAC 160VDC CLASS T

JLLN040.TXP
Littelfuse
1: £31.80
8In Stock

Mfr. Part No.
JLLN040.TXP

Mouser Part No
576-JLLN040.TXP

Littelfuse

Industrial & Electrical Fuses 40A 300VAC 160VDC CLASS T

Learn More

Datasheet

8In Stock

£31.80

£26.39

£24.35

£20.38

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses .125A 600VAC 300VDC Fast Acting

KLKR.125T
Littelfuse
1: £29.39
4In Stock

Mfr. Part No.
KLKR.125T

Mouser Part No
576-KLKR.125T

Littelfuse

Industrial & Electrical Fuses .125A 600VAC 300VDC Fast Acting

Learn More

Datasheet

4In Stock

£29.39

£24.38

£22.50

£18.84

View

Min.: 1
Mult.: 1

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

KLKR.200T
Littelfuse
1: £29.39
4In Stock

Mfr. Part No.
KLKR.200T

Mouser Part No
576-KLKR.200T

Littelfuse

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

Learn More

Datasheet

4In Stock

£29.39

£24.38

£22.50

£18.84

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 3.5A 600VAC 300VDC Fast Acting

KLKR03.5T
Littelfuse
1: £29.59
8In Stock

Mfr. Part No.
KLKR03.5T

Mouser Part No
576-KLKR03.5T

Littelfuse

Industrial & Electrical Fuses 3.5A 600VAC 300VDC Fast Acting

Learn More

Datasheet

8In Stock

£29.59

£24.56

£22.65

£18.97

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

KR502F0J
Littelfuse
1: £0.533
2,070In Stock

Mfr. Part No.
KR502F0J

Mouser Part No
576-KR502F0J

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

Learn More

Datasheet

2,070In Stock

£0.533

£0.506

£0.474

£0.451

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OH M 10% EPOXY BEAD

KC102F2K
Littelfuse
1: £1.78
931In Stock

Mfr. Part No.
KC102F2K

Mouser Part No
576-KC102F2K

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1K OH M 10% EPOXY BEAD

Learn More

Datasheet

931In Stock

£1.78

£1.48

£1.36

£1.29

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 25A 600VAC 600VDC Class K5

0NLS025.T
Littelfuse
1: £17.86
23In Stock

Mfr. Part No.
0NLS025.T

Mouser Part No
576-0NLS025.T

Littelfuse

Industrial & Electrical Fuses 25A 600VAC 600VDC Class K5

Learn More

Datasheet

23In Stock

£17.86

£16.39

£15.02

£12.97

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 45A 600VAC J Fuses

0JLS045.T
Littelfuse
1: £53.66
2In Stock

Mfr. Part No.
0JLS045.T

Mouser Part No
576-0JLS045.T

Littelfuse

Industrial & Electrical Fuses 45A 600VAC J Fuses

Learn More

Datasheet

2In Stock

£53.66

£44.51

£41.19

£34.33

View

Min.: 1
Mult.: 1

Industrial Manufacturing & Processing Portfolio

Types of Circuit Protection

Customer Service Office

Company

Resources

Support