SDC MC-4PAK MC Series Recessed Magnetic Contact Door Position Sensors, SPDT, UL 10C, 10-Pack

Keep doors monitored and secure with the Security Door Controls MC-4PAK recessed magnetic contact 10-pack — engineered for reliable door position sensing in commercial security and access control systems. The MC Series recessed design installs neatly into hollow metal and aluminum doors and frames for a tamper-resistant, low-visibility solution that integrates cleanly with access control, alarm, and surveillance systems. Each contact uses an SPDT switch and supports up to 30V DC at 50mA, providing consistent, code-conscious signaling for monitoring and event reporting. With a compact 0.8" diameter and a 0.5" standard gap, the MC-4PAK is ideal for retrofits and new installations where aesthetics and reliability matter. UL10C listing gives specifiers and installers confidence in compliance for life-safety and security applications. Supplied as a convenient 10-pack, these magnetic contacts reduce install time and procurement complexity on multi-door jobs. Ideal for schools, offices, and retail environments, the MC-4PAK delivers dependable door monitoring with long-term value — order today to outfit your access control or surveillance system.

• Discreet recessed design for tamper-resistant door position monitoring in hollow metal and aluminum doors
• 10-pack packaging lowers cost-per-door and speeds multi-door deployments for access control projects
• UL10C listing and SPDT contact type deliver reliable, code-compliant signals for security and surveillance systems
• Fast, low-profile installation with 0.8" diameter and 0.5" standard gap reduces retrofit time and visible hardware
• Durable aluminum construction, 30V DC/50mA operation and a 5-year limited warranty minimize maintenance and lifecycle costs