Alarm Controls MCK-4-4 MCK Series Mortise Cylinder Key Switch Station, DPDT Alternate, Single Gang

Streamline secure entry management with the Alarm Controls by ASSA ABLOY MCK-4-4 mortise cylinder key switch, built for reliable, tamper-resistant access control in commercial, institutional, and retail environments. The stainless steel wall plate accepts standard 1-1/8" mortise cylinders for fast retrofits and long-term durability, while included tamper-proof screws help deter unauthorized removal. The MCK-4-4 uses DPDT alternate switching to support multiple control circuits—perfect for door hardware, alarm integration, or monitoring applications—and its switch contacts are rated 4A @ 28VDC to handle typical low-voltage control loads. Onboard LEDs operate on 12 or 24 volts AC or DC to provide clear visual status for security personnel and simplify troubleshooting. Designed to integrate seamlessly with access control panels, surveillance systems, and building monitoring setups, this keyswitch offers dependable performance where secure, controlled access is essential. Add the MCK-4-4 to your security toolkit for a robust, serviceable control point—order now or contact us for installation and integration guidance.

• Secure, tamper‑resistant access control that protects sensitive areas and integrates with existing security and surveillance systems
• Heavy‑duty stainless steel wall plate accepts standard 1-1/8" mortise cylinders for reliable, long-lasting performance in high-traffic environments
• DPDT alternate switching provides flexible circuit control for locks, alarms, or monitoring systems—ideal for complex access control setups
• LED indicators compatible with 12/24V AC or DC give clear status feedback for operators and security personnel
• Simple retrofit and installation: fits standard mortise hardware and ships with tamper-proof and slotted head screws for fast, secure mounting
• Backed by a limited lifetime warranty for peace of mind and reduced total cost of ownership