Magnasphere MSS-312C 1" Recessed/Concealed Multi-Switch Contact with Switches, Closed Loop, Open Loop, Black

Protect entry points and consolidate monitoring with the Magnasphere MSS-312C recessed multi-switch contact. Designed for security professionals, this concealed 1" contact delivers tamper-resistant door and window monitoring ideal for intrusion detection, access control and integrated surveillance systems. The MSS-312C uses award-winning Magnasphere switch technology (not a reed switch), offering resistance to outside defeat and consistent, maintenance-free operation.

With three separate switch outputs and selectable closed-loop or open-loop configurations, a single recessed unit can trigger multiple independent systems—simplifying wiring for alarm panels, access control readers and central monitoring. The hybrid, wired installation supports up to 30V DC and is TAA-compliant and US-made for enterprise and government deployments. Its low-profile black finish blends into frames and trim for discreet protection.

Choose the Magnasphere MSS-312C when you need a reliable, concealed magnetic contact for professional security and surveillance installations. Add it to your next access control or alarm project or contact our sales team for configuration guidance.

• Discreet, recessed 1" design for hidden door/window monitoring that maintains aesthetics while improving security
• Multi-switch outputs let one contact trigger multiple systems (alarms, access control, monitoring) for simplified integrations
• Tamper-resistant Magnasphere technology (not a reed switch) resists outside defeat for reliable, long-term protection
• Configurable closed-loop or open-loop wiring and 30V DC compatibility for flexible installation across alarm and access platforms
• TAA-compliant, US-made construction supports government and enterprise procurement requirements