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Littelfuse is a global leader in magnetic sensing solutions with a portfolio covering reed switches, reed sensors, hall effect sensors, reed relays, and magnetic actuators. Littelfuse also offers a broad range of thermistors, resistance temperature detectors (RTDs), digital temperature indicators, and probes and assemblies for temperature sensing applications.

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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.
Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE 55075-00-02-A Littelfuse 1: £23.13 1,195In Stock 183Expected 23/11/2026	Mfr. Part No. 55075-00-02-A Mouser Part No 934-55075-00-02-A	Littelfuse	Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE Learn More about Littelfuse sensors	Datasheet	1,195In Stock 183Expected 23/11/2026	£23.13 £22.99	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN 55100-3H-04-A Littelfuse 1: £6.89 4,762In Stock	Mfr. Part No. 55100-3H-04-A Mouser Part No 934-55100-3H-04-A	Littelfuse	Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN Learn More about Littelfuse Hamlin 55100 Sensor	Datasheet	4,762In Stock	£6.89 £6.11 £5.81 £5.45 View £5.20 £4.97 £4.90 £4.39 £4.38	Min.: 1 Mult.: 1
Magnetic/Reed Switches 59165-1-U-00-A SENS 59165-1-U-00-A Littelfuse 1: £1.53 13,186In Stock	Mfr. Part No. 59165-1-U-00-A Mouser Part No 934-59165-1-U-00-A	Littelfuse	Magnetic/Reed Switches 59165-1-U-00-A SENS Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	13,186In Stock	£1.53 £1.00 £0.882 £0.873	Min.: 1 Mult.: 1
Proximity Sensors PROX SEN VANE SPST-NO W/WIRE 59085-010 Littelfuse 1: £7.08 5,964In Stock	Mfr. Part No. 59085-010 Mouser Part No 934-59085-010	Littelfuse	Proximity Sensors PROX SEN VANE SPST-NO W/WIRE Learn More about Littelfuse sensors	Datasheet	5,964In Stock	£7.08 £6.41 £6.22 £6.02 View £5.97 £5.88 £5.81 £5.56	Min.: 1 Mult.: 1
Reed Relays REED RELAY HE722A1210 Littelfuse 1: £2.84 5,871In Stock Factory Special Order	Mfr. Part No. HE722A1210 Mouser Part No 934-HE722A1210 Factory Special Order	Littelfuse	Reed Relays REED RELAY Learn More about Littelfuse he700	Datasheet	5,871In Stock	£2.84 £2.53 £2.42 £2.33 View £2.25 £2.16 £2.07 £2.00 £1.99	Min.: 1 Mult.: 1
Proximity Sensors 59140-4-U-02-A SENS 59140-4-U-02-A Littelfuse 1: £3.72 480In Stock	Mfr. Part No. 59140-4-U-02-A Mouser Part No 934-59140-4-U-02-A	Littelfuse	Proximity Sensors 59140-4-U-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	480In Stock	£3.72 £3.35 £3.20 £3.04 View £2.92 £2.82 £2.75	Min.: 1 Mult.: 1
Proximity Sensors PROX SENS CHANGE OVER UNTINNED 59025-3-T-02-F Littelfuse 1: £4.09 495In Stock	Mfr. Part No. 59025-3-T-02-F Mouser Part No 934-59025-3-T-02-F	Littelfuse	Proximity Sensors PROX SENS CHANGE OVER UNTINNED Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	495In Stock	£4.09 £3.68 £3.54 £3.35 View £3.23 £3.11 £2.84 £2.79 £2.78	Min.: 1 Mult.: 1
Proximity Sensors 59085-1-T-02-F SENS 59085-1-T-02-F Littelfuse 1: £6.01 971In Stock	Mfr. Part No. 59085-1-T-02-F Mouser Part No 934-59085-1-T-02-F	Littelfuse	Proximity Sensors 59085-1-T-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	971In Stock	£6.01 £5.44 £5.22 £4.96 View £4.79 £4.43 £4.29	Min.: 1 Mult.: 1
Magnetic/Reed Switches 175V 5WATTS MDRR-DT-30-35-F Littelfuse 1: £4.01 847In Stock 1,000Expected 09/11/2026	Mfr. Part No. MDRR-DT-30-35-F Mouser Part No 934-MDRR-DT-30-35-F	Littelfuse	Magnetic/Reed Switches 175V 5WATTS Learn More about Littelfuse Hamlin MDRR DT	Datasheet	847In Stock 1,000Expected 09/11/2026	£4.01 £3.34 £3.09 £2.76 View £2.57 £2.44 £2.33 £2.30	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDSM-10R 5431 15-20 MDSM-10R-15-20 Littelfuse 1: £1.18 2,862In Stock	Mfr. Part No. MDSM-10R-15-20 Mouser Part No 934-MDSM-10R15-20	Littelfuse	Magnetic/Reed Switches MDSM-10R 5431 15-20 Learn More about Littelfuse reed switches	Datasheet	2,862In Stock	Cut Tape £1.18 £0.995 £0.969 £0.863 View Reel £0.684 £0.811 £0.773 £0.759 £0.684	Min.: 1 Mult.: 1 : 3,000
Proximity Sensors NC 15-20AT 1m TIN 59025 Firecracker 59025-4-S-05-A Littelfuse 1: £5.41 690In Stock	Mfr. Part No. 59025-4-S-05-A Mouser Part No 934-59025-4-S-05-A	Littelfuse	Proximity Sensors NC 15-20AT 1m TIN 59025 Firecracker Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	690In Stock	£5.41 £4.89 £4.70 £4.46 View £4.30 £4.15 £3.86 £3.82	Min.: 1 Mult.: 1
Proximity Sensors PROX SEN THREAD BARREL SPST-NO 59065-1-S-02-A Littelfuse 1: £4.47 1,299In Stock	Mfr. Part No. 59065-1-S-02-A Mouser Part No 934-59065-1-S-02-A	Littelfuse	Proximity Sensors PROX SEN THREAD BARREL SPST-NO Learn More about Littelfuse reed sensors	Datasheet	1,299In Stock	£4.47 £3.73 £3.45 £2.80 View £2.63 £2.58	Min.: 1 Mult.: 1
Proximity Sensors 59085 030 PROX SENSOR 59085-030 Littelfuse 1: £7.27 265In Stock	Mfr. Part No. 59085-030 Mouser Part No 934-59085-030	Littelfuse	Proximity Sensors 59085 030 PROX SENSOR Learn More about Littelfuse sensors	Datasheet	265In Stock	£7.27 £7.26 £6.03 £5.59 View £5.58 £4.99 £4.60 £4.43 £4.34	Min.: 1 Mult.: 1
Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET H-33-MAGNET Littelfuse 1: £1.93 2,433In Stock	Mfr. Part No. H-33-MAGNET Mouser Part No 934-H-33	Littelfuse	Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET Learn More about Littelfuse magnetic actuators	Datasheet	2,433In Stock	£1.93 £1.70 £1.12 £1.08 View £1.04 £0.986	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDRR-DT-30-35-U MDRR-DT-30-35-U Littelfuse 1: £3.95 745In Stock	Mfr. Part No. MDRR-DT-30-35-U Mouser Part No 934-MDRR-DT30-35U	Littelfuse	Magnetic/Reed Switches MDRR-DT-30-35-U Learn More about Littelfuse sensors	Datasheet	745In Stock	£3.95 £3.29 £3.05 £2.72 View £2.67 £2.63 £2.62 Quote	Min.: 1 Mult.: 1
Proximity Sensors 59025-3-S-02-A 59025-3-S-02-A Littelfuse 1: £4.16 422In Stock	Mfr. Part No. 59025-3-S-02-A Mouser Part No 934-59025-3-S-02-A	Littelfuse	Proximity Sensors 59025-3-S-02-A Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	422In Stock	£4.16 £3.74 £3.58 £3.40 View £3.27 £3.08 £2.92 £2.83	Min.: 1 Mult.: 1
Proximity Sensors PROX SENSOR MINI FLANGE MOUNT 59140-020 Littelfuse 1: £3.23 1,439In Stock	Mfr. Part No. 59140-020 Mouser Part No 934-59140-020	Littelfuse	Proximity Sensors PROX SENSOR MINI FLANGE MOUNT Learn More about Littelfuse sensors	Datasheet	1,439In Stock	£3.23 £2.72 £2.51 £2.05 £2.01	Min.: 1 Mult.: 1
Proximity Sensors 59140-3-S-02-F SENS 59140-3-S-02-F Littelfuse 1: £4.16 485In Stock	Mfr. Part No. 59140-3-S-02-F Mouser Part No 934-59140-3-S-02-F	Littelfuse	Proximity Sensors 59140-3-S-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	485In Stock	£4.16 £3.73 £3.67 £3.57 View £3.47 £3.30 £2.92 £2.83	Min.: 1 Mult.: 1
Proximity Sensors 59150-3-T-02-F SENS 59150-3-T-02-F Littelfuse 1: £4.43 485In Stock	Mfr. Part No. 59150-3-T-02-F Mouser Part No 934-59150-3-T-02-F	Littelfuse	Proximity Sensors 59150-3-T-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	485In Stock	£4.43 £3.99 £3.83 £3.63 View £3.50 £3.43 £3.13 £3.04	Min.: 1 Mult.: 1
Magnetic/Reed Switches 59165-1-T-00-A SENS 59165-1-T-00-A Littelfuse 1: £1.53 2,834In Stock	Mfr. Part No. 59165-1-T-00-A Mouser Part No 934-59165-1-T-00-A	Littelfuse	Magnetic/Reed Switches 59165-1-T-00-A SENS Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	2,834In Stock	£1.53 £1.28 £1.20 £1.07 View £0.986 £0.969 £0.856 £0.841 £0.814	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDRR-DT 1156 15-20 U MDRR-DT-15-20-U Littelfuse 1: £3.95 611In Stock	Mfr. Part No. MDRR-DT-15-20-U Mouser Part No 934-MDRR-DT15-20U	Littelfuse	Magnetic/Reed Switches MDRR-DT 1156 15-20 U Learn More about Littelfuse reed switches	Datasheet	611In Stock	£3.95 £3.29 £3.05 £2.72 View £2.53 £2.41 £2.24	Min.: 1 Mult.: 1
Proximity Sensors 300V 1000mm TINNED LEADS 59145-2-T-05-F Littelfuse 1: £4.56 500In Stock	Mfr. Part No. 59145-2-T-05-F Mouser Part No 934-59145-2-T-05-F	Littelfuse	Proximity Sensors 300V 1000mm TINNED LEADS Learn More about Littelfuse reed sensors	Datasheet	500In Stock	£4.56 £4.10 £3.94 £3.74 View £3.61 £3.40 £3.14	Min.: 1 Mult.: 1
Proximity Sensors 59145-3-S-02-A SENS 59145-3-S-02-A Littelfuse 1: £4.56 498In Stock	Mfr. Part No. 59145-3-S-02-A Mouser Part No 934-59145-3-S-02-A	Littelfuse	Proximity Sensors 59145-3-S-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	498In Stock	£4.56 £4.10 £3.95 £3.74 View £3.61 £3.47 £3.46	Min.: 1 Mult.: 1
Magnetic/Reed Switches Sub-Mini NO Switch MDCG-4-7-13 Littelfuse 1: £0.925 7,029In Stock	Mfr. Part No. MDCG-4-7-13 Mouser Part No 934-MDCG-4-7-13	Littelfuse	Magnetic/Reed Switches Sub-Mini NO Switch Learn More about Littelfuse Hamlin MDCG 4	Datasheet	7,029In Stock	£0.925 £0.788 £0.73 £0.65 View £0.603 £0.57 £0.511 £0.499 £0.495	Min.: 1 Mult.: 1
Magnetic/Reed Switches MDRR-DT 1156 20-25 U MDRR-DT-20-25-U Littelfuse 1: £4.12 712In Stock	Mfr. Part No. MDRR-DT-20-25-U Mouser Part No 934-MDRR-DT20-25U	Littelfuse	Magnetic/Reed Switches MDRR-DT 1156 20-25 U Learn More about Littelfuse reed switches	Datasheet	712In Stock	£4.12 £3.47 £3.25 £2.92 View £2.70 £2.60 £2.28 £2.24	Min.: 1 Mult.: 1

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