GRI MS184-12-BL 3/4" Recessed Steel Door Switch Set with Magnasphere Technology, 10-Piece

Keep perimeter doors reliably monitored without sacrificing a finished look. The George Risk Industries MS184-12-BL recessed magnetic door switch set delivers concealed, tamper-resistant contact monitoring for access control, security, and surveillance systems. Each 3/4-inch recessed steel switch uses Magnasphere Technology to maintain consistent operation even with minor misalignment or door movement, reducing nuisance alarms and service calls. The rugged steel construction stands up to frequent use and provides long-term reliability in commercial and institutional environments.

This 10-piece kit is sized for small-to-medium deployments, allowing technicians to outfit multiple openings or keep spares on-hand for rapid replacement. As magnetic contacts designed for door monitoring, the MS184-12-BL integrates easily with alarm panels and monitoring systems to support proactive security and remote surveillance workflows. Choose this set to streamline installations, improve system uptime, and enhance building access protection. Add the MS184-12-BL to your next access control or security upgrade for a professional, discreet solution.

• Concealed, tamper-resistant monitoring for clean door/frame aesthetics and improved security integrity
• Durable 3/4-inch recessed steel housing that withstands daily use and reduces false alarms
• Magnasphere Technology for consistent magnetic contact performance even with slight misalignment
• Ready-to-deploy 10-piece set ideal for small-to-medium access control and surveillance installations
• Simplifies installation and maintenance to minimize downtime and lower total cost of ownership