Alarm Controls MCK-1 MCK Series 1.75" Mortise Cylinder Key Switch Station, SPDT Momentary

Ideal for secure access control in commercial and industrial environments, the Alarm Controls MCK-1 mortise cylinder key switch delivers dependable, tamper-resistant operation for doors, gates and security panels. This MCK Series key switch combines a corrosion-resistant stainless-steel faceplate with a compact 1.25-inch behind-plate depth, making it suitable for retrofit and new installations in surveillance, monitoring and access control systems. The SPDT momentary action gives precise momentary input for controlled egress/ingress, while switch contacts rated at 4A @ 28 VDC handle typical low-voltage security loads. Built-in LED indicators operate on 12 or 24 volts AC or DC to provide clear visual status for installers and operators, reducing commissioning time and simplifying troubleshooting. The plate accepts standard 1-1/8-inch mortise cylinders (sold separately), enabling fast customization to master-key systems. Backed by Alarm Controls by ASSA ABLOY quality, the MCK-1 is an efficient choice for security integrators specifying reliable, professional-grade key switches. Add the MCK-1 to your access control or surveillance setup—order today or contact us for project pricing.

• Durable stainless-steel faceplate and tamper-resistant screws protect high-traffic entry points for long service life
• SPDT momentary action provides precise, reliable control for access control, gating and security panel integration
• Accepts standard 1-1/8-inch mortise cylinders for quick field installation and easy cylinder replacement
• Integrated LED status indicators (12/24V AC/DC) simplify monitoring and troubleshooting on-site
• 4A @ 28 VDC rated contacts ensure dependable switching for low-voltage security devices and peripherals