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Sensors Portfolio

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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Types of Electromechanical

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Part #

Magnetic/Reed Switches MDSM-DTB 15-30

MDSM-DTB-15-30
Littelfuse
1: £4.40
188In Stock

Mfr. Part No.
MDSM-DTB-15-30

Mouser Part No
934-MDSM-DTB15-30

Littelfuse

Magnetic/Reed Switches MDSM-DTB 15-30

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Datasheet

188In Stock

£4.40

£3.78

£3.50

£3.12

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Min.: 1
Mult.: 1

Reed Relays HE3321C2400 RELAY

HE3321C2400
Littelfuse
1: £2.47
4,331In Stock
Factory Special Order

Mfr. Part No.
HE3321C2400

Mouser Part No
934-HE3321C2400

Factory Special Order

Littelfuse

Reed Relays HE3321C2400 RELAY

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Datasheet

4,331In Stock

£2.47

Min.: 1
Mult.: 1

Reed Relays REED RELAY

HE721C1210
Littelfuse
1: £2.85
4,195In Stock
Factory Special Order

Mfr. Part No.
HE721C1210

Mouser Part No
934-HE721C1210

Factory Special Order

Littelfuse

Reed Relays REED RELAY

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Datasheet

4,195In Stock

£2.85

£2.68

£2.61

£2.57

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Min.: 1
Mult.: 1

Reed Relays HE3621A6012 REED RELAY

HE3621A6012
Littelfuse
1: £1.61
3,186In Stock
Factory Special Order

Mfr. Part No.
HE3621A6012

Mouser Part No
934-HE3621A6012

Factory Special Order

Littelfuse

Reed Relays HE3621A6012 REED RELAY

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Datasheet

3,186In Stock

£1.61

£1.43

£1.37

£1.32

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Min.: 1
Mult.: 1

Magnetic/Reed Switches MDCG-4 22-28

MDCG-4-22-28
Littelfuse
1: £0.871
1,463In Stock
2,000Expected 14/05/2026

Mfr. Part No.
MDCG-4-22-28

Mouser Part No
934-MDCG-422-28

Littelfuse

Magnetic/Reed Switches MDCG-4 22-28

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Datasheet

1,463In Stock

2,000Expected 14/05/2026

£0.871

£0.733

£0.681

£0.608

£0.586

Min.: 1
Mult.: 1

Magnetic/Reed Switches MLRR-4 32-38

MLRR-4-32-38
Littelfuse
1: £1.04
453In Stock

Mfr. Part No.
MLRR-4-32-38

Mouser Part No
934-MLRR-432-38

Littelfuse

Magnetic/Reed Switches MLRR-4 32-38

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Datasheet

453In Stock

£1.04

£0.943

£0.863

£0.788

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Min.: 1
Mult.: 1

Magnetic/Reed Switches 59170-1-U-00-A SENS

59170-1-U-00-A
Littelfuse
1: £1.70
883In Stock

Mfr. Part No.
59170-1-U-00-A

Mouser Part No
934-59170-1-U-00-A

Littelfuse

Magnetic/Reed Switches 59170-1-U-00-A SENS

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Datasheet

883In Stock

£1.70

£1.43

£1.34

£1.19

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Min.: 1
Mult.: 1

Magnetic/Reed Switches 59165-1-S-00-C SENS

59165-1-S-00-C
Littelfuse
1: £1.13
976In Stock

Mfr. Part No.
59165-1-S-00-C

Mouser Part No
934-59165-1-S-00-C

Littelfuse

Magnetic/Reed Switches 59165-1-S-00-C SENS

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Datasheet

976In Stock

£1.13

£1.02

£0.969

£0.899

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Min.: 1
Mult.: 1

Magnetic/Reed Switches MDCG-4 12-18

MDCG-4-12-18
Littelfuse
1: £0.601
1,589In Stock

Mfr. Part No.
MDCG-4-12-18

Mouser Part No
934-MDCG-412-18

Littelfuse

Magnetic/Reed Switches MDCG-4 12-18

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Datasheet

1,589In Stock

£0.601

£0.539

£0.515

£0.497

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDSM-DTB 20-25

MDSM-DTB-20-25
Littelfuse
1: £3.78
295In Stock

Mfr. Part No.
MDSM-DTB-20-25

Mouser Part No
934-MDSM-DTB20-25

Littelfuse

Magnetic/Reed Switches MDSM-DTB 20-25

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Datasheet

295In Stock

£3.78

£3.15

£2.92

£2.60

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Min.: 1
Mult.: 1

Magnetic/Reed Switches 59050-1-T-00-0 SENS

59050-1-T-00-0
Littelfuse
1: £1.68
978In Stock

Mfr. Part No.
59050-1-T-00-0

Mouser Part No
934-59050-1-T-00-0

Littelfuse

Magnetic/Reed Switches 59050-1-T-00-0 SENS

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Datasheet

978In Stock

£1.68

£1.42

£1.32

£1.05

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Min.: 1
Mult.: 1

Magnetic/Reed Switches 59170-1-T-00-C SENS

59170-1-T-00-C
Littelfuse
1: £1.94
977In Stock

Mfr. Part No.
59170-1-T-00-C

Mouser Part No
934-59170-1-T-00-C

Littelfuse

Magnetic/Reed Switches 59170-1-T-00-C SENS

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Datasheet

977In Stock

£1.94

£1.69

£1.60

£1.46

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Min.: 1
Mult.: 1

Magnetic/Reed Switches FLEX-14-30-35

FLEX-14-30-35
Littelfuse
1: £0.751
1,334In Stock

Mfr. Part No.
FLEX-14-30-35

Mouser Part No
934-FLEX-14-30-35

Littelfuse

Magnetic/Reed Switches FLEX-14-30-35

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Datasheet

1,334In Stock

£0.751

£0.641

£0.596

£0.532

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Min.: 1
Mult.: 1

Magnetic/Reed Switches MDSR-10 20-25

MDSR-10-20-25
Littelfuse
1: £0.952
986In Stock

Mfr. Part No.
MDSR-10-20-25

Mouser Part No
934-MDSR-1020-25

Littelfuse

Magnetic/Reed Switches MDSR-10 20-25

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Datasheet

986In Stock

£0.952

£0.811

£0.759

£0.671

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Min.: 1
Mult.: 1

Magnetic/Reed Switches MLRR-4 22-28

MLRR-4-22-28
Littelfuse
1: £0.952
1,963In Stock

Mfr. Part No.
MLRR-4-22-28

Mouser Part No
934-MLRR-422-28

Littelfuse

Magnetic/Reed Switches MLRR-4 22-28

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Datasheet

1,963In Stock

£0.952

£0.811

£0.759

£0.67

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Min.: 1
Mult.: 1

Magnetic/Reed Switches

MDSR-10-AW-10-15
Littelfuse
1: £1.04
1,009In Stock

Mfr. Part No.
MDSR-10-AW-10-15

Mouser Part No
934-MDSR-10AW10-15

Littelfuse

Magnetic/Reed Switches

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Datasheet

1,009In Stock

£1.04

£0.943

£0.863

£0.788

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches 59170-1-U-00-C SENS

59170-1-U-00-C
Littelfuse
1: £1.94
626In Stock

Mfr. Part No.
59170-1-U-00-C

Mouser Part No
934-59170-1-U-00-C

Littelfuse

Magnetic/Reed Switches 59170-1-U-00-C SENS

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Datasheet

626In Stock

£1.94

£1.69

£1.60

£1.46

View

Min.: 1
Mult.: 1

Magnetic/Reed Switches MDSR-10-8-10

MDSR-10-8-10
Littelfuse
1: £0.952
1,944In Stock

Mfr. Part No.
MDSR-10-8-10

Mouser Part No
934-MDSR-10-8-10

Littelfuse

Magnetic/Reed Switches MDSR-10-8-10

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Datasheet

1,944In Stock

£0.952

£0.811

£0.759

£0.67

View

Min.: 1
Mult.: 1

Sensor Fixings & Accessories Actuator for 59025 Series

57025-000
Littelfuse
1: £2.24
6,318In Stock

Mfr. Part No.
57025-000

Mouser Part No
934-57025-000

Littelfuse

Sensor Fixings & Accessories Actuator for 59025 Series

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Datasheet

6,318In Stock

£2.24

£2.15

£1.96

£1.81

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET

57135-000
Littelfuse
1: £1.21
15,879In Stock

Mfr. Part No.
57135-000

Mouser Part No
934-57135-000

Littelfuse

Sensor Fixings & Accessories HARDWARE ACTUATOR MAGNET

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Datasheet

15,879In Stock

£1.21

£1.09

£1.05

£0.995

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

57140-000
Littelfuse
1: £1.30
13,808In Stock
13,800On Order

Mfr. Part No.
57140-000

Mouser Part No
934-57140-000

Littelfuse

Sensor Fixings & Accessories MAGNET ACTUATOR FOR 59140 AND 59141

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Datasheet

13,808In Stock

13,800On Order

£1.30

£1.24

£1.12

£1.04

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Min.: 1
Mult.: 1

Sensor Fixings & Accessories ACTUATOR FOR 59150 SERIES

57150-000
Littelfuse
1: £1.33
13,869In Stock
1,300Expected 25/05/2026

Mfr. Part No.
57150-000

Mouser Part No
934-57150-000

Littelfuse

Sensor Fixings & Accessories ACTUATOR FOR 59150 SERIES

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Datasheet

13,869In Stock

1,300Expected 25/05/2026

£1.33

£1.20

£1.15

£1.09

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Min.: 1
Mult.: 1

Magnetic/Reed Switches 15-20AT 200Vdc @ 10W

MASM-14R-15-20
Littelfuse
1: £1.01
2,964In Stock

Mfr. Part No.
MASM-14R-15-20

Mouser Part No
934-MASM-14R-15-20

Littelfuse

Magnetic/Reed Switches 15-20AT 200Vdc @ 10W

Datasheet

2,964In Stock

Cut Tape

£1.01

£0.863

£0.803

£0.71

Reel

£0.545

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches MDSM-10R 5431 10-25

MDSM-10R-10-25
Littelfuse
1: £1.19
2,520In Stock

Mfr. Part No.
MDSM-10R-10-25

Mouser Part No
934-MDSM-10R10-25

Littelfuse

Magnetic/Reed Switches MDSM-10R 5431 10-25

Learn More

Datasheet

2,520In Stock

Cut Tape

£1.19

£1.01

£0.943

£0.841

View

Reel

£0.776

Min.: 1
Mult.: 1

Reel: 3,000

Magnetic/Reed Switches SWITCH REED

MDSM-10R-20-25
Littelfuse
1: £1.06
11,190In Stock

Mfr. Part No.
MDSM-10R-20-25

Mouser Part No
934-MDSM-10R20-25

Littelfuse

Magnetic/Reed Switches SWITCH REED

Learn More

Datasheet

11,190In Stock

Cut Tape

£1.06

£0.908

£0.811

£0.75

View

Reel

£0.621

Min.: 1
Mult.: 1

Reel: 3,000

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