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MSS-K22 Surface Mount Contact

MSS 'Standard' Series | UL SECURITY LISTED

   Universal mounting

   Installs in Fail Safe mode

   Cost competitive


The MSS SERIES is resistant to:




Model MSS-K22  |  Surface Mount Contact


MSS–K22 Surface Mount Contact   2-1/2″ x 1/2″x 1/2″



  • Made with MAGNASPHERE® Switch Technology
  • Won’t break
  • Resistant to contact welding
  • Resistant to outside defeat
  • Universal mounting
  • Installs in Fail Safe mode
  • Cost competitive
  • Increase RMR
  • UL and ULC listed

Size: 2-1/2″L x 1/2″W x 1/2″ H
[64 mm L x 13 mm W x 13 mm H]
Max Gap: 1/2″ [12.7 mm]
Colors: Brown, Grey and White
Electrical Specifications: Max Current: 0.25A Resistive
Max Voltage: 30 VDC
Max Power: .25 W Resistive
Configuration: “Open Loop” w/Target Magnet in Place
Screw Terminals
Wiring Schematics / Part No.

Wiring schematics for the following part numbers are available on the Downloads page in this section:

  • MSS–53SL
  • MSS–53ST
  • MSS–63S
  • MSS–K22
  • MSS–K22S
  • MSS–89SL
  • MSS–89ST

MAGNASPHERE products are covered by U.S. and International Patents. Click to review each patent at the USPTO Patent Full-Text and Image Database.

US Patents