The SI-MAGB2SM W/30 from Banner Engineering Corporation is a magnetic reed sensor with NO/NC contacts and a cable box, for use with the SI-MAGB2MM magnet.
The SI-MAGB2SMQD from Banner Engineering Corporation is a magnetic reed switch sensor with NO/NC contacts and a connector box housing, for use with the SI-MAGB2MM magnet.
The SI-MAGB2MM from Banner Engineering Corporation is a coded magnet in an SI-MAG series thermoplastic housing, measuring 1.693" L x 1.024" W x 0.512" H (43.0 mm x 26.0 mm x 13.0 mm), for use with the SI-MAGB2SM sensor.