Securitron MKA MK Series Mortise Key Switch, Alternate, Single Gang

Control locks, arm alarm panels and implement secure overrides with the Securitron by ASSA ABLOY MKA Mortise Key Switch — a compact mortise key switch designed for professional access control and physical security installations. The MKA’s alternate action allows a single cylinder to activate two separate outputs by turning the key in opposite directions, giving integrators flexibility for lock control, alarm arming, reset or supervisory monitoring. Rated for 5 amps and compatible with 12 VDC or 24 VDC systems, it provides reliable switching for electric strikes, mag locks and alarm inputs. Built from stainless steel with anti-tamper screws and a standard SC keyway, the unit delivers a durable, tamper-resistant solution ideal for high-use interior doorways and server rooms. A bi-color LED offers visible status feedback for security personnel and simplifies troubleshooting during deployment. Designed to accept common 1-1/8"–1-1/2" mortise cylinders, the MKA integrates smoothly into retrofit and new construction projects in surveillance, monitoring and access control systems. Order the MKA Mortise Key Switch for dependable, professional-grade access control — perfect for commercial, institutional and critical infrastructure applications.

• Secure, tamper-resistant control of electric locks and alarm panels for reliable access control
• Alternate switch action enables dual outputs (turn key each direction) for flexible monitoring and override functions
• Built-in bi-color LED and 5A rated plunger switch provide clear status indication and dependable switching at 12/24V DC
• Durable stainless steel construction and anti-tamper screws ensure long-lasting performance in indoor security applications
• Compatible with standard 1-1/8"–1-1/2" mortise cylinders for straightforward integration into existing physical security systems