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A magnetic switch can be mounted on e.g. doors, windows, gates or pet flaps.

Inside the switch there are 2 magnetizable, flexible, metal reeds. A magnetic field will cause these to come together, thus completing an electrical circuit. When the circuit is broken the switch will send a signal to the alarm system or access control system. Once the magnetic field closes again and the electrical circuit is complete again, the magnetic switch will send a new signal telling the system to reset. 

Some people also call these switches reed switches or proximity switches.

A magnetic switch is usually combined with some form of sound or light signal so that the emitted signal is visualized.

Model: 20001021

Flush mounted magnetic door contact with 4 m./13 ft. wire.

$12.26  Incl. VAT
($9.81  Excl. VAT )
delivery not included
FREE shipping!
Model: 20001027

Surface-mounted magnetic contact with wire.

$4.33  Incl. VAT
($3.46  Excl. VAT )
delivery not included
FREE shipping!
Model: 20001025

Surface mounted magnetic switch for wire.

$1.80  Incl. VAT
($1.44  Excl. VAT )
delivery not included
FREE shipping!