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

PLC Design Solutions

Littelfuse Programmable Logic Controller (PLC) Design Solutions feature products that address the evolving demands of industrial automation, artificial intelligence (AI), machine learning (ML), renewable energy, and electric vehicles (EVs). These PLC circuit protection and power control products are designed to meet these challenges with precision and reliability. The components improve system uptime and resilience, from safeguarding power supplies to ensuring the reliable switching of loads. This PLC Design Solutions lineup from Littelfuse helps streamline designs and speed up time to market while ensuring compliance with global safety standards.

All Results (101)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.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; }

Select a category below to see filtering options and narrow down your search.

Part #

Coded Rotary Switches 16 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW

RTE1600V44
C&K
1: $2.96
3,606In Stock

Mfr. Part No.
RTE1600V44

Mouser Part No
611-RTE1600V44

C&K

Coded Rotary Switches 16 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW

Learn More

Datasheet

3,606In Stock

$2.96

$2.48

$2.30

$2.12

Min.: 1
Mult.: 1

Resettable Fuses - PPTC .9A 30V 100A Imax

RUEF090-2
Littelfuse
1: $0.47
3,278In Stock

Mfr. Part No.
RUEF090-2

Mouser Part No
650-RUEF090-2

Littelfuse

Resettable Fuses - PPTC .9A 30V 100A Imax

Learn More

Datasheet

3,278In Stock

Cut Tape

$0.47

$0.427

$0.361

$0.321

View

Reel

$0.212

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 30V 900MA 100A RUEF

RUEF090-AP
Littelfuse
1: $0.43
1,724In Stock

Mfr. Part No.
RUEF090-AP

Mouser Part No
650-RUEF090-AP

Littelfuse

Resettable Fuses - PPTC 30V 900MA 100A RUEF

Learn More

Datasheet

1,724In Stock

Cut Tape

$0.43

$0.391

$0.39

$0.345

View

Reel

$0.212

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 30V 1.1A-HD 100A RUEF

RUEF110-AP
Littelfuse
1: $0.48
1,966In Stock

Mfr. Part No.
RUEF110-AP

Mouser Part No
650-RUEF110-AP

Littelfuse

Resettable Fuses - PPTC 30V 1.1A-HD 100A RUEF

Learn More

Datasheet

1,966In Stock

Cut Tape

$0.48

$0.44

$0.366

$0.337

View

Reel

$0.215

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.1A 30V 40A Imax

RUEF110S
Littelfuse
1: $0.40
475In Stock

Mfr. Part No.
RUEF110S

Mouser Part No
650-RUEF110S

Littelfuse

Resettable Fuses - PPTC 1.1A 30V 40A Imax

Learn More

Datasheet

475In Stock

$0.40

$0.369

$0.307

$0.283

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135-2
Littelfuse
1: $0.49
4,845In Stock
3,000Expected 18/03/2026

Mfr. Part No.
RUEF135-2

Mouser Part No
650-RUEF135-2

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 40A Imax

Learn More

Datasheet

4,845In Stock

3,000Expected 18/03/2026

Cut Tape

$0.49

$0.445

$0.376

$0.347

Reel

$0.209

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 30V 1.35A-HD 100A RUEF

RUEF135-AP
Littelfuse
1: $0.49
2,937In Stock

Mfr. Part No.
RUEF135-AP

Mouser Part No
650-RUEF135-AP

Littelfuse

Resettable Fuses - PPTC 30V 1.35A-HD 100A RUEF

Learn More

Datasheet

2,937In Stock

Cut Tape

$0.49

$0.452

$0.376

$0.347

View

Reel

$0.222

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.35A 30V 40A Imax

RUEF135S
Littelfuse
1: $0.42
105In Stock

Mfr. Part No.
RUEF135S

Mouser Part No
650-RUEF135S

Littelfuse

Resettable Fuses - PPTC 1.35A 30V 40A Imax

Learn More

Datasheet

105In Stock

$0.42

$0.38

$0.316

$0.291

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160-2
Littelfuse
1: $0.50
5,617In Stock

Mfr. Part No.
RUEF160-2

Mouser Part No
650-RUEF160-2

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 40A Imax

Learn More

Datasheet

5,617In Stock

Cut Tape

$0.50

$0.461

$0.383

$0.354

Reel

$0.213

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 1.6A 30V 40A Imax

RUEF160S
Littelfuse
1: $0.42
1,089In Stock

Mfr. Part No.
RUEF160S

Mouser Part No
650-RUEF160S

Littelfuse

Resettable Fuses - PPTC 1.6A 30V 40A Imax

Learn More

Datasheet

1,089In Stock

$0.42

$0.388

$0.387

$0.315

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.85A 30V 100A Imax

RUEF185-1
Littelfuse
1: $0.46
202In Stock
500Expected 06/04/2026

Mfr. Part No.
RUEF185-1

Mouser Part No
650-RUEF185-1

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 100A Imax

Learn More

Datasheet

202In Stock

500Expected 06/04/2026

$0.46

$0.423

$0.351

$0.324

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 1.85A 30V 40A Imax

RUEF185S
Littelfuse
1: $0.43
410In Stock

Mfr. Part No.
RUEF185S

Mouser Part No
650-RUEF185S

Littelfuse

Resettable Fuses - PPTC 1.85A 30V 40A Imax

Learn More

Datasheet

410In Stock

$0.43

$0.397

$0.329

$0.304

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250
Littelfuse
1: $0.45
1,039In Stock
6,000On Order

Mfr. Part No.
RUEF250

Mouser Part No
650-RUEF250

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

1,039In Stock

6,000On Order

$0.45

$0.407

$0.338

$0.297

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250-2
Littelfuse
1: $0.53
1,137In Stock
9,000Expected 23/04/2026

Mfr. Part No.
RUEF250-2

Mouser Part No
650-RUEF250-2

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

1,137In Stock

9,000Expected 23/04/2026

Cut Tape

$0.53

$0.476

$0.40

$0.357

Reel

$0.223

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 30V 2.5A-HD 100A RUEF

RUEF250-AP
Littelfuse
1: $0.53
3,990In Stock

Mfr. Part No.
RUEF250-AP

Mouser Part No
650-RUEF250-AP

Littelfuse

Resettable Fuses - PPTC 30V 2.5A-HD 100A RUEF

Learn More

Datasheet

3,990In Stock

Cut Tape

$0.53

$0.482

$0.40

$0.369

View

Reel

$0.238

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250S
Littelfuse
1: $0.45
276In Stock

Mfr. Part No.
RUEF250S

Mouser Part No
650-RUEF250S

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

276In Stock

$0.45

$0.407

$0.338

$0.312

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED

RUEF250U
Littelfuse
1: $0.45
2,055In Stock

Mfr. Part No.
RUEF250U

Mouser Part No
650-RUEF250U

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax UNCOATED

Learn More

Datasheet

2,055In Stock

$0.45

$0.407

$0.338

$0.312

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated

RUEF250U-2
Littelfuse
1: $0.53
4,482In Stock

Mfr. Part No.
RUEF250U-2

Mouser Part No
650-RUEF250U-2

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated

Learn More

Datasheet

4,482In Stock

Cut Tape

$0.53

$0.48

$0.40

$0.369

Reel

$0.223

View

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300-2
Littelfuse
1: $0.56
4,696In Stock

Mfr. Part No.
RUEF300-2

Mouser Part No
650-RUEF300-2

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

4,696In Stock

Cut Tape

$0.56

$0.514

$0.427

$0.394

Reel

$0.243

View

Min.: 1
Mult.: 1

Reel: 2,500

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300-AP
Littelfuse
1: $0.56
2,323In Stock

Mfr. Part No.
RUEF300-AP

Mouser Part No
650-RUEF300-AP

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

2,323In Stock

$0.56

$0.514

$0.427

$0.394

Reel

$0.27

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300K-2
Littelfuse
1: $0.56
3,713In Stock

Mfr. Part No.
RUEF300K-2

Mouser Part No
650-RUEF300K-2

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

3,713In Stock

Cut Tape

$0.56

$0.514

$0.427

$0.394

Reel

$0.243

View

Min.: 1
Mult.: 1

Reel: 2,500

Resettable Fuses - PPTC 4A 30V 40A Imax

RUEF400-1
Littelfuse
1: $0.59
1,343In Stock

Mfr. Part No.
RUEF400-1

Mouser Part No
650-RUEF400-1

Littelfuse

Resettable Fuses - PPTC 4A 30V 40A Imax

Learn More

Datasheet

1,343In Stock

$0.59

$0.539

$0.448

$0.413

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 4A 30V 100A Imax

RUEF400-2
Littelfuse
1: $0.65
3,541In Stock

Mfr. Part No.
RUEF400-2

Mouser Part No
650-RUEF400-2

Littelfuse

Resettable Fuses - PPTC 4A 30V 100A Imax

Learn More

Datasheet

3,541In Stock

Cut Tape

$0.65

$0.599

$0.498

$0.455

Reel

$0.30

View

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 30V 4A-HD 100A RUEF

RUEF400-AP
Littelfuse
1: $0.65
810In Stock
1,000Expected 23/03/2026

Mfr. Part No.
RUEF400-AP

Mouser Part No
650-RUEF400-AP

Littelfuse

Resettable Fuses - PPTC 30V 4A-HD 100A RUEF

Learn More

Datasheet

810In Stock

1,000Expected 23/03/2026

Cut Tape

$0.65

$0.599

$0.498

$0.459

Reel

$0.315

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 4A 30V 40A Imax

RUEF400K
Littelfuse
1: $0.56
668In Stock

Mfr. Part No.
RUEF400K

Mouser Part No
650-RUEF400K

Littelfuse

Resettable Fuses - PPTC 4A 30V 40A Imax

Learn More

Datasheet

668In Stock

$0.56

$0.513

$0.426

$0.393

View

Min.: 1
Mult.: 1

PLC Design Solutions

All Results (101)

Customer Service Office

Company

Resources

Support

PLC Design Solutions

All Results (101)

Circuit Protection

Electromechanical

Semiconductors