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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.

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Part #

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300-AP
Littelfuse
1: $0.64
2,275In Stock

Mfr. Part No.
RUEF300-AP

Mouser Part No
650-RUEF300-AP

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

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Datasheet

2,275In Stock

$0.64

$0.59

$0.589

$0.406

Reel

$0.325

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 80 mOhms 40 A 30 VDC - 40 C+ 85 C

RUEF300K
Littelfuse
1: $0.52
185In Stock

Mfr. Part No.
RUEF300K

Mouser Part No
650-RUEF300K

Littelfuse

Resettable Fuses - PPTC 80 mOhms 40 A 30 VDC - 40 C+ 85 C

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Datasheet

185In Stock

$0.52

$0.476

$0.395

$0.365

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 3A 30V 100A Imax

RUEF300K-2
Littelfuse
1: $0.64
3,717In Stock

Mfr. Part No.
RUEF300K-2

Mouser Part No
650-RUEF300K-2

Littelfuse

Resettable Fuses - PPTC 3A 30V 100A Imax

Learn More

Datasheet

3,717In Stock

Cut Tape

$0.64

$0.589

$0.489

$0.451

Reel

$0.265

View

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC 4A 30V 40A Imax

RUEF400-1
Littelfuse
1: $0.64
771In Stock

Mfr. Part No.
RUEF400-1

Mouser Part No
650-RUEF400-1

Littelfuse

Resettable Fuses - PPTC 4A 30V 40A Imax

Learn More

Datasheet

771In Stock

$0.64

$0.588

$0.488

$0.451

View

Min.: 1
Mult.: 1

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

RUEF400-AP
Littelfuse
1: $0.75
789In Stock
1,000Expected 07/10/2026

Mfr. Part No.
RUEF400-AP

Mouser Part No
650-RUEF400-AP

Littelfuse

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

Learn More

Datasheet

789In Stock

1,000Expected 07/10/2026

Cut Tape

$0.75

$0.686

$0.57

$0.526

View

Reel

$0.344

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 4A 30V 40A Imax

RUEF400K
Littelfuse
1: $0.61
2,016In Stock

Mfr. Part No.
RUEF400K

Mouser Part No
650-RUEF400K

Littelfuse

Resettable Fuses - PPTC 4A 30V 40A Imax

Learn More

Datasheet

2,016In Stock

$0.61

$0.56

$0.465

$0.429

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 5A 30V 40A Imax

RUEF500-1
Littelfuse
1: $0.77
1,206In Stock

Mfr. Part No.
RUEF500-1

Mouser Part No
650-RUEF500-1

Littelfuse

Resettable Fuses - PPTC 5A 30V 40A Imax

Learn More

Datasheet

1,206In Stock

$0.77

$0.704

$0.584

$0.539

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 5A 30V 40A Imax

RUEF500K
Littelfuse
1: $0.74
1,315In Stock
1,000Expected 10/11/2026

Mfr. Part No.
RUEF500K

Mouser Part No
650-RUEF500K

Littelfuse

Resettable Fuses - PPTC 5A 30V 40A Imax

Learn More

Datasheet

1,315In Stock

1,000Expected 10/11/2026

$0.74

$0.676

$0.561

$0.518

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6A 30V 40A Imax

RUEF600-1
Littelfuse
1: $0.84
447In Stock

Mfr. Part No.
RUEF600-1

Mouser Part No
650-RUEF600-1

Littelfuse

Resettable Fuses - PPTC 6A 30V 40A Imax

Learn More

Datasheet

447In Stock

$0.84

$0.774

$0.643

$0.593

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6A 30V 40A Imax

RUEF600-2
Littelfuse
1: $1.00
1,260In Stock

Mfr. Part No.
RUEF600-2

Mouser Part No
650-RUEF600-2

Littelfuse

Resettable Fuses - PPTC 6A 30V 40A Imax

Learn More

Datasheet

1,260In Stock

Cut Tape

$1.00

$0.922

$0.765

$0.751

Reel

$0.554

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 6A 30V 100A Imax

RUEF600-AP
Littelfuse
1: $0.91
595In Stock

Mfr. Part No.
RUEF600-AP

Mouser Part No
650-RUEF600-AP

Littelfuse

Resettable Fuses - PPTC 6A 30V 100A Imax

Learn More

Datasheet

595In Stock

Cut Tape

$0.91

$0.838

$0.696

$0.642

$0.577

Reel

$0.49

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 6A 30V 100A Imax

RUEF600K
Littelfuse
1: $0.81
46In Stock
1,000Expected 31/12/2026

Mfr. Part No.
RUEF600K

Mouser Part No
650-RUEF600K

Littelfuse

Resettable Fuses - PPTC 6A 30V 100A Imax

Learn More

Datasheet

46In Stock

1,000Expected 31/12/2026

$0.81

$0.741

$0.615

$0.568

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6A 30V 40A Imax

RUEF600K-2
Littelfuse
1: $0.99
1,934In Stock
3,000Expected 06/01/2027

Mfr. Part No.
RUEF600K-2

Mouser Part No
650-RUEF600K-2

Littelfuse

Resettable Fuses - PPTC 6A 30V 40A Imax

Learn More

Datasheet

1,934In Stock

3,000Expected 06/01/2027

Cut Tape

$0.99

$0.913

$0.758

$0.699

Reel

$0.457

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 7A 30V 100A Imax

RUEF700-2
Littelfuse
1: $1.06
1,101In Stock
1,000Expected 14/10/2026

Mfr. Part No.
RUEF700-2

Mouser Part No
650-RUEF700-2

Littelfuse

Resettable Fuses - PPTC 7A 30V 100A Imax

Learn More

Datasheet

1,101In Stock

1,000Expected 14/10/2026

Cut Tape

$1.06

$0.978

$0.781

$0.749

Reel

$0.49

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 7A 30V 100A Imax

RUEF700K
Littelfuse
1: $0.86
272In Stock

Mfr. Part No.
RUEF700K

Mouser Part No
650-RUEF700K

Littelfuse

Resettable Fuses - PPTC 7A 30V 100A Imax

Learn More

Datasheet

272In Stock

$0.86

$0.793

$0.658

$0.607

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 30V 7A-HD 40A MAX (R)

RUEF700K-2
Littelfuse
1: $1.06
997In Stock

Mfr. Part No.
RUEF700K-2

Mouser Part No
650-RUEF700K-2

Littelfuse

Resettable Fuses - PPTC 30V 7A-HD 40A MAX (R)

Learn More

Datasheet

997In Stock

Cut Tape

$1.06

$0.97

$0.788

$0.743

Reel

$0.566

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 8A 30V 40A Imax

RUEF800-2
Littelfuse
1: $1.07
950In Stock
1,000Expected 12/10/2026

Mfr. Part No.
RUEF800-2

Mouser Part No
650-RUEF800-2

Littelfuse

Resettable Fuses - PPTC 8A 30V 40A Imax

Learn More

Datasheet

950In Stock

1,000Expected 12/10/2026

Cut Tape

$1.07

$0.884

$0.77

$0.728

Reel

$0.587

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 8A 30V 40A Imax

RUEF800K-2
Littelfuse
1: $1.15
1,174In Stock

Mfr. Part No.
RUEF800K-2

Mouser Part No
650-RUEF800K-2

Littelfuse

Resettable Fuses - PPTC 8A 30V 40A Imax

Learn More

Datasheet

1,174In Stock

Cut Tape

$1.15

$1.06

$0.849

$0.809

View

Reel

$0.534

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 9A 30V 100A Imax

RUEF900-2
Littelfuse
1: $1.38
1,642In Stock

Mfr. Part No.
RUEF900-2

Mouser Part No
650-RUEF900-2

Littelfuse

Resettable Fuses - PPTC 9A 30V 100A Imax

Learn More

Datasheet

1,642In Stock

Cut Tape

$1.38

$1.28

$1.05

$0.973

Reel

$0.636

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 9A 30V 40A Imax

RUEF900K
Littelfuse
1: $1.15
1,442In Stock

Mfr. Part No.
RUEF900K

Mouser Part No
650-RUEF900K

Littelfuse

Resettable Fuses - PPTC 9A 30V 40A Imax

Learn More

Datasheet

1,442In Stock

$1.15

$1.06

$0.879

$0.811

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2.5A 30V 100A Imax

RUEF250
Littelfuse
1: $0.49
60,852On Order

Mfr. Part No.
RUEF250

Mouser Part No
650-RUEF250

Littelfuse

Resettable Fuses - PPTC 2.5A 30V 100A Imax

Learn More

Datasheet

60,852On Order

$0.49

$0.444

$0.369

$0.331

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 8A 30V 40A Imax

RUEF800K
Littelfuse
1: $0.95
1In Stock
250Expected 16/11/2026

Mfr. Part No.
RUEF800K

Mouser Part No
650-RUEF800K

Littelfuse

Resettable Fuses - PPTC 8A 30V 40A Imax

Learn More

Datasheet

1In Stock

250Expected 16/11/2026

$0.95

$0.87

$0.722

$0.667

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 4A 30V 100A Imax

RUEF400K-2
Littelfuse
1: $0.79
3,000Expected 07/10/2026

Mfr. Part No.
RUEF400K-2

Mouser Part No
650-RUEF400K-2

Littelfuse

Resettable Fuses - PPTC 4A 30V 100A Imax

Learn More

Datasheet

3,000Expected 07/10/2026

Cut Tape

$0.79

$0.684

$0.604

$0.512

View

Reel

$0.332

Min.: 1
Mult.: 1

: 1,500

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

RTE1600N44
C&K
7,800: $2.80
11,700Factory Stock Available

Mfr. Part No.
RTE1600N44

Mouser Part No
611-RTE1600N44

C&K

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

Learn More

Datasheet

11,700Factory Stock Available

More Info Available

$2.80

Min.: 7,800
Mult.: 1,950

Coded Rotary Switches Low Profile Rotary DIP

RTE1000G34
C&K
6,250: $3.45
Non-Stocked Lead-Time 29 Weeks

Mfr. Part No.
RTE1000G34

Mouser Part No
611-RTE1000G34

C&K

Coded Rotary Switches Low Profile Rotary DIP

Learn More

Datasheet

Non-Stocked Lead-Time 29 Weeks

Cut Tape

$3.45

Min.: 6,250
Mult.: 1,250

: 1,250

PLC Design Solutions

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