These are made of a reed switch, which can be switched by a
magnet.
There is no mechanical movement and the contacts are protected
and hermetically enclosed in a glass bulb which contains
inert gasses, mechanical and electrical deterioration is
therefore kept to minimum.
The standard version is supplied with open, closed and changeover
contacts.

-SMC cylindrical series is available with threaded metallic housing
for 6-8-10-12-18 mm. dia. and smooth 12 mm is available with
threaded 9PG.
-SMP series is available with plastic or metallic rectangular housing
for 15x8x32 mm. dimensions.
-SMC-12LM/18M/09PGM are available with power reed
-Different types of magnets are available
-SMC types are used for frontal sensing and SMP types are used
for side sensing.

Special versions can be supplied upon request, when
large quantities are involved