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MSS–105S Overhead Door Contact

MSS 'Standard' Series | UL SECURITY LISTED
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Model MSS-105S  |  Overhead Door Contact Open Loop

Model MSS-106S  |  Overhead Door Contact Closed Loop

Model MSS-105S & 106S – C – Models with Armored Cable

The MAGNASPHERE MSS line of security sensors provides a solution to all of the weaknesses and flaws of the reed switch contacts. The unique Magnasphere BMS switch utilized in these devices renders the MSS products virtually unbreakable, and highly resistant to permanent contact welding and outside magnet defeat. The MSS Series is UL, ULC listed and CE certified.


  • Made with MAGNASPHERE Switch Technology
  • Won’t break
  • Resistant to contact welding
  • Resistant to outside defeat
  • OHD side rail mounting
  • Cost competitive
  • Increase RMR
  • UL and ULC listed, CE Certified
  • Available with EOL Resisters Contact Factory
  • Made in America



Switch / Magnet Module Size: 4″L x 1/2″W x 1/2″H][break][/break] [100 mm L x 13 mm W x 13 mm H]
Max Gap: 1/2″ [12.7mm]
Colors: Grey
Max Current:   0.25A Resistive
Max Voltage:   30 VDC
Max Power:    .25 W Resistive
Configuration:    Open Loop or Closed Loop w/ Target Magnet in Place
Jacketed Leads:

60″ [152 cm] Leads

OR 18″ & 36″ Armored Cable

Wiring Schematics / Part No.

Wiring schematics for the following part numbers are available on the Downloads (PDF) page in this section:
  • MSS–105S
  • MSS-1065S
  • MSS-105S-C18 (18″ Armored Cable)
  • MSS-106S-C18 (18″ Armored Cable)
  • MSS-105S-C36 (36″ Armored Cable}
  • MSS-106S-C36 (36″ Armored Cable}


MSS Overhead Door Switches 4″ x 1/2″ x 1/2″


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