Alarm Controls MCK-6-3 MCK Series Mortise Cylinder Key Switch Station, DPDT Momentary, Single Gang, Green/Red LED

Optimize door-level access control and status monitoring with the Alarm Controls by ASSA ABLOY MCK-6-3 mortise key switch. Designed for professional security and surveillance applications, this DPDT momentary key switch gives installers and operators reliable, momentary control of alarms, locks and monitoring circuits while providing immediate visual confirmation via bi-color Green/Red LEDs. The stainless-steel wall plate accepts a standard 1-1/8" mortise cylinder (sold separately) and includes tamper-proof screws for secure, vandal-resistant mounting. Rated for 4A @ 28VDC contacts and LED operation on 12 or 24 V AC/DC, the MCK-6-3 is ideal for low-voltage access control panels, door-status monitoring, and integration with intrusion and CCTV systems. Backed by the Alarm Controls by ASSA ABLOY pedigree, this key switch station reduces false alarms, speeds operator response and simplifies maintenance for commercial and institutional deployments. Add the MCK-6-3 to your security, surveillance or access control projects—order now to improve reliability and visual status reporting on critical entry points.

• Provides secure, tamper-resistant access control for doors and panels, integrating seamlessly with standard 1-1/8" mortise cylinders.
• DPDT momentary action delivers instant, reliable switching for alarm, monitoring and access control systems.
• Bi-color Green/Red LED status (operates on 12 or 24 V AC/DC) offers clear visual feedback for surveillance and security operators.
• Heavy-duty stainless steel wall plate and included tamper-proof screws ensure long-term durability in commercial installations.
• Rated switch contacts (4A @ 28VDC) and compatibility with Alarm Controls CY-1/CY-1A cylinders simplify integration into low-voltage systems.