Sensor & Switch Magnets

Sensor magnets (also known as reed switches) are electrical switches operated by a magnetic field. They can be used to detect specific actions, like the opening of a door, and are widely used for electrical circuit control.

What are sensor magnets used for?

Sensor magnets can be used in door and window sensors, and are commonly found in burglar alarm systems. They're also widely used for communications. Once the magnet is pulled away from the switch, the reed switch will go back to its original position. A reed relay is when there are one or more reed switches inside a coil.

Why use sensor magnets?

Sensor magnets can be used to reduce current leakage. This is useful for applications in hazardous areas, for example where there's flammable gas in the area, or in medical devices. Sensor magnets are also useful in locations where it isn't possible to make direct contact with the switch, such as in explosive or toxic environments.


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Viewing 61 - 80 of 99 products
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Description Price Application Shape Diameter Length Width Height Dimensions
New
RS stock no. 200-9241
Mfr. Part No.XXS30B1PM12
R 4,681.63
Each
units
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New
RS stock no. 200-9252
Mfr. Part No.XXS30P1PM12
R 4,211.08
Each
units
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New
RS stock no. 200-9256
Mfr. Part No.XXS30P2VM12
R 5,111.90
Each
units
- - - - - - -
New
RS stock no. 200-9263
Mfr. Part No.XXS30S2AM12
R 6,030.28
Each
units
- - - - - - -
RS stock no. 179-2889
Mfr. Part No.P3150000
BrandCelduc
R 98.17
Each
units
Proximity Sensor Rectangular - 32mm 6.8mm 15mm 32 x 6.8 x 15 mm
New
RS stock no. 200-9224
Mfr. Part No.XXA30B2AM12
R 5,924.09
Each
units
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New
RS stock no. 200-9221
Mfr. Part No.XXA30B1PM12
R 4,906.31
Each
units
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RS stock no. 917-2678
Mfr. Part No.PTI70020
BrandCelduc
R 504.12
Each
units
Magnetic Proximity Sensor Cylindrical M8 32mm - - -
New
RS stock no. 200-9249
Mfr. Part No.XXS30B4VM12
R 6,262.81
Each
units
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New
RS stock no. 200-9254
Mfr. Part No.XXS30P2AM12
R 5,111.90
Each
units
- - - - - - -
RS stock no. 536-1710
BrandRS PRO
R 23.10
Each
units
Transducer Cylindrical 4 mm 19mm - - 4 x 19 mm
New
RS stock no. 200-9232
Mfr. Part No.XXA30P2VM12
R 5,240.99
Each
units
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New
RS stock no. 200-9266
Mfr. Part No.XXS30S4AM12
R 6,486.34
Each
units
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New
RS stock no. 200-9227
Mfr. Part No.XXA30P1AM12
R 4,799.18
Each
units
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New
RS stock no. 200-9262
Mfr. Part No.XXS30S1VM12
R 5,578.95
Each
units
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RS stock no. 866-2586
Mfr. Part No.M1219-2
BrandAssemtech
R 23.10
Each
units
- Cylindrical 3 mm - - 2mm 3 (Dia.) x 2 mm
New
RS stock no. 200-9236
Mfr. Part No.XXA30S2AM12
R 6,143.06
Each
units
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RS stock no. 536-1732
BrandRS PRO
R 34.58
Each
units
Transducer Rectangular - 20mm - - -
New
RS stock no. 200-9235
Mfr. Part No.XXA30S1VM12
R 5,700.13
Each
units
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New
RS stock no. 200-9258
Mfr. Part No.XXS30P4PM12
R 4,981.37
Each
units
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