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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Resettable Fuses - PPTC 5A 30V 100A Imax RUEF500K-2 Littelfuse 1: £0.668 5,890In Stock	Mfr. Part No. RUEF500K-2 Mouser Part No 650-RUEF500K-2	Littelfuse	Resettable Fuses - PPTC 5A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	5,890In Stock	Cut Tape £0.668 £0.616 £0.512 £0.472 Reel £0.294 View £0.424 £0.391 £0.284	Min.: 1 Mult.: 1 : 1,500
Coded Rotary Switches DIP / Rotary DIP RTE0400N04 C&K 1: £4.77 3,910In Stock	Mfr. Part No. RTE0400N04 Mouser Part No 611-RTE0400N04	C&K	Coded Rotary Switches DIP / Rotary DIP Learn More about C&K ckswitches rte switches	Datasheet	3,910In Stock	£4.77 £4.07 £3.81 £3.44 View £3.40 £2.99 Quote	Min.: 1 Mult.: 1
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000V14 C&K 1: £3.47 4,457In Stock	Mfr. Part No. RTE1000V14 Mouser Part No 611-RTE1000V14	C&K	Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW Learn More about C&K ckswitches rte switches	Datasheet	4,457In Stock	£3.47 £3.08 £2.91 £2.61 View £2.40 £2.30 £2.14 £2.04	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 4A 30V 100A Imax RUEF400K-2 Littelfuse 1: £0.503 3,000In Stock	Mfr. Part No. RUEF400K-2 Mouser Part No 650-RUEF400K-2	Littelfuse	Resettable Fuses - PPTC 4A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	3,000In Stock	Cut Tape £0.503 £0.436 £0.378 £0.345 Reel £0.26 View £0.316 £0.297 £0.24 £0.23	Min.: 1 Mult.: 1 : 1,500
Resettable Fuses - PPTC 1.6A 30V 40A Imax RUEF160-AP Littelfuse 1: £0.436 3,673In Stock	Mfr. Part No. RUEF160-AP Mouser Part No 650-RUEF160-AP	Littelfuse	Resettable Fuses - PPTC 1.6A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	3,673In Stock	Cut Tape £0.436 £0.396 £0.33 £0.304 Reel £0.184 View £0.273 £0.233 £0.17	Min.: 1 Mult.: 1 : 2,000
Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated RUEF250U-2 Littelfuse 1: £0.443 3,930In Stock	Mfr. Part No. RUEF250U-2 Mouser Part No 650-RUEF250U-2	Littelfuse	Resettable Fuses - PPTC 2.5A 30V 40A Imax Uncoated Learn More about Littelfuse radial leaded pptcs	Datasheet	3,930In Stock	Cut Tape £0.443 £0.349 £0.303 £0.28 Reel £0.193 View £0.258 £0.244 £0.23 £0.182	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 9A 30V 40A Imax RUEF900K-2 Littelfuse 1: £1.05 1,410In Stock	Mfr. Part No. RUEF900K-2 Mouser Part No 650-RUEF900K-2	Littelfuse	Resettable Fuses - PPTC 9A 30V 40A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	1,410In Stock	Cut Tape £1.05 £0.96 £0.796 £0.733 Reel £0.48 View £0.659 £0.608 £0.449	Min.: 1 Mult.: 1 : 1,000
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000N14 C&K 1: £5.23 2,647In Stock	Mfr. Part No. RTE1000N14 Mouser Part No 611-RTE1000N14	C&K	Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW Learn More about C&K ckswitches rte switches	Datasheet	2,647In Stock	£5.23 £4.59 £4.26 £3.80 View £3.54 £3.37 £3.08	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185-2 Littelfuse 1: £0.443 4,291In Stock	Mfr. Part No. RUEF185-2 Mouser Part No 650-RUEF185-2	Littelfuse	Resettable Fuses - PPTC 1.85A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	4,291In Stock	Cut Tape £0.443 £0.404 £0.335 £0.31 View Reel £0.225 £0.278 £0.257 £0.228 £0.225	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 30V 40A 0.90W PolySwitch Reset Dev RUEF160S-RA Littelfuse 1: £0.375 1,904In Stock	Mfr. Part No. RUEF160S-RA Mouser Part No 650-RUEF160S-RA	Littelfuse	Resettable Fuses - PPTC 30V 40A 0.90W PolySwitch Reset Dev Learn More about Littelfuse indoor led protection	Datasheet	1,904In Stock	£0.375 £0.287 £0.242 £0.219 View £0.197 £0.167 £0.154 £0.138	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.1A 30V 40A Imax RUEF110S-1 Littelfuse 1: £0.465 834In Stock	Mfr. Part No. RUEF110S-1 Mouser Part No 650-RUEF110S-1	Littelfuse	Resettable Fuses - PPTC 1.1A 30V 40A Imax Learn More about Littelfuse indoor led protection	Datasheet	834In Stock	Cut Tape £0.465 £0.366 £0.308 £0.271 Reel £0.207 View £0.244 £0.19 £0.17	Min.: 1 Mult.: 1 : 500
Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW RTE1000G14 C&K 1: £3.78 6,097In Stock	Mfr. Part No. RTE1000G14 Mouser Part No 611-RTE1000G14	C&K	Coded Rotary Switches 10 FLUSH SCRDRV 0.1A 30VDC LW PRO DIP SW Learn More about C&K ckswitches rte switches	Datasheet	6,097In Stock	Cut Tape £3.78 £3.16 £2.92 £2.61 Reel £2.17 View £2.43 £2.30 £2.07 MouseReel Available	Min.: 1 Mult.: 1 : 1,250
Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch LS24062RQ23 Littelfuse 1: £2.33 87In Stock 5,000Expected 09/12/2026	Mfr. Part No. LS24062RQ23 Mouser Part No 576-LS24062RQ23	Littelfuse	Power Switch ICs - Power Distribution 28V/6A Bi-directional load switch Learn More about Littelfuse ls24062rq23 bidirectional efuse	Datasheet	87In Stock 5,000Expected 09/12/2026	Cut Tape £2.33 £1.75 £1.60 £1.43 View Reel £1.24 £1.36 £1.33 £1.29 £1.26 £1.24 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 12 KV .5pF Diode Array SP7538PUTG Littelfuse 1: £1.20 27,881In Stock 18,000Expected 27/01/2027	Mfr. Part No. SP7538PUTG Mouser Part No 576-SP7538PUTG	Littelfuse	ESD Protection Diodes / TVS Diodes 12 KV .5pF Diode Array Learn More about Littelfuse sp0544t sp7538p	Datasheet	27,881In Stock 18,000Expected 27/01/2027	Cut Tape £1.20 £0.759 £0.564 £0.502 View Reel £0.34 £0.394 £0.355 £0.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Coded Rotary Switches FLUSH SMT RTE0400G04 C&K 1: £4.43 3,892In Stock	Mfr. Part No. RTE0400G04 Mouser Part No 611-RTE0400G04	C&K	Coded Rotary Switches FLUSH SMT Learn More about C&K ckswitches rte switches	Datasheet	3,892In Stock	Cut Tape £4.43 £3.86 £3.57 £3.13 Reel £2.65 View £2.98 £2.80 £2.53 MouseReel Available	Min.: 1 Mult.: 1 : 1,250
Coded Rotary Switches 10Pos BCD, Thru Hole RTE DIP Switch RTE1002V14 C&K 1: £4.37 1,076In Stock	Mfr. Part No. RTE1002V14 Mouser Part No 611-RTE1002V14	C&K	Coded Rotary Switches 10Pos BCD, Thru Hole RTE DIP Switch Learn More about C&K ckswitches rte switches	Datasheet	1,076In Stock	£4.37 £3.82 £3.61 £3.30 View £3.02 £2.99 £2.87 £2.67 Quote	Min.: 1 Mult.: 1
Resettable Fuses - PPTC .9A 30V 100A Imax RUEF090 Littelfuse 1: £0.323 19,480In Stock	Mfr. Part No. RUEF090 Mouser Part No 650-RUEF090	Littelfuse	Resettable Fuses - PPTC .9A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	19,480In Stock	£0.323 £0.298 £0.248 £0.226 View £0.206 £0.189	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.1A 30V 100A Imax RUEF110-2 Littelfuse 1: £0.413 6,365In Stock	Mfr. Part No. RUEF110-2 Mouser Part No 650-RUEF110-2	Littelfuse	Resettable Fuses - PPTC 1.1A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	6,365In Stock	Cut Tape £0.413 £0.378 £0.314 £0.29 View Reel £0.178 £0.26 £0.24 £0.223 £0.178	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 1.35A 30V 100A Imax RUEF135 Littelfuse 1: £0.338 33,596In Stock	Mfr. Part No. RUEF135 Mouser Part No 650-RUEF135	Littelfuse	Resettable Fuses - PPTC 1.35A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	33,596In Stock	£0.338 £0.312 £0.258 £0.238 View £0.21 £0.195 £0.182 £0.17	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.6A 30V 100A Imax RUEF160 Littelfuse 1: £0.346 14,319In Stock	Mfr. Part No. RUEF160 Mouser Part No 650-RUEF160	Littelfuse	Resettable Fuses - PPTC 1.6A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	14,319In Stock	£0.346 £0.318 £0.265 £0.233 View £0.219 £0.205	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 1.85A 30V 100A Imax RUEF185 Littelfuse 1: £0.375 20,690In Stock	Mfr. Part No. RUEF185 Mouser Part No 650-RUEF185	Littelfuse	Resettable Fuses - PPTC 1.85A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	20,690In Stock	£0.375 £0.336 £0.28 £0.234 View £0.219 £0.21	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 2.5A 30V 100A Imax RUEF250-2 Littelfuse 1: £0.45 7,768In Stock 30,000Expected 18/01/2027	Mfr. Part No. RUEF250-2 Mouser Part No 650-RUEF250-2	Littelfuse	Resettable Fuses - PPTC 2.5A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	7,768In Stock 30,000Expected 18/01/2027	Cut Tape £0.45 £0.415 £0.344 £0.318 View Reel £0.197 £0.285 £0.264 £0.243 £0.197	Min.: 1 Mult.: 1 : 3,000
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300 Littelfuse 1: £0.465 25,184In Stock 29,500Expected 17/02/2027	Mfr. Part No. RUEF300 Mouser Part No 650-RUEF300	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	25,184In Stock 29,500Expected 17/02/2027	£0.465 £0.388 £0.333 £0.264 View £0.25 £0.228 £0.216 £0.206 £0.197	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 3A 30V 100A Imax RUEF300-2 Littelfuse 1: £0.48 5,722In Stock 7,500Expected 05/11/2026	Mfr. Part No. RUEF300-2 Mouser Part No 650-RUEF300-2	Littelfuse	Resettable Fuses - PPTC 3A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	5,722In Stock 7,500Expected 05/11/2026	Cut Tape £0.48 £0.443 £0.368 £0.339 View Reel £0.211 £0.305 £0.281 £0.259 £0.211	Min.: 1 Mult.: 1 : 2,500
Resettable Fuses - PPTC 4A 30V 100A Imax RUEF400 Littelfuse 1: £0.458 16,445In Stock	Mfr. Part No. RUEF400 Mouser Part No 650-RUEF400	Littelfuse	Resettable Fuses - PPTC 4A 30V 100A Imax Learn More about Littelfuse radial leaded pptcs	Datasheet	16,445In Stock	£0.458 £0.421 £0.349 £0.32 View £0.29 £0.26 £0.237	Min.: 1 Mult.: 1

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