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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Description Price Application Shape Diameter Length Width Height Dimensions
RS Stock No. 124-3806
BrandBALLUFF
kr 270,28
Each
Units
Micropulse Transducer Round 25 mm - - 8mm 25 (Dia.) x 8 mm
RS Stock No. 124-3807
BrandBALLUFF
kr 419,15
Each
Units
Micropulse Transducer Rectangular - 55mm 20mm 21mm 55 x 20 x 21 mm
RS Stock No. 837-2007
Mfr. Part No.BTL6-A-3801-2
BrandBALLUFF
kr 185,99
Each
Units
Micropulse Transducer Rectangular - 37.6mm 21mm 18mm 37.6 x 21 x 18 mm
RS Stock No. 355-5519
Mfr. Part No.BTL5-F-2814-1S
BrandBALLUFF
kr 294,28
Each
Units
Micropulse Transducer Rectangular - 28mm 40mm 29.9mm 28 x 40 x 29.9 mm
RS Stock No. 837-2003
Mfr. Part No.BTL6-A-3800-2
BrandBALLUFF
kr 177,03
Each
Units
Micropulse Transducer Rectangular - 37.6mm 21mm 28.8mm 37.6 x 21 x 28.8 mm
RS Stock No. 124-3805
BrandBALLUFF
kr 238,46
Each
Units
Micropulse Transducer Round 32 mm - - 8mm 32 (Dia.) x 8 mm
RS Stock No. 355-5531
Mfr. Part No.BTL5-P-3800-2
BrandBALLUFF
kr 184,25
Each
Units
Micropulse Transducer Rectangular - 38mm 20mm 14mm 38 x 20 x 14 mm