Introducing the Alarm Controls MCK-6 MCK Series Mortise Cylinder Key Switch Station, a reliable and efficient solution for your access control needs. This single gang switch features a durable stainless steel wall plate designed to accommodate a standard 1-1/8” mortise cylinder, ensuring a secure fit. With tamper-proof and slotted head screws included, installation is a breeze. Please note that mortise cylinders are sold separately (CY-1, CY-1A). The switch contacts are rated at 4A @ 28VDC, providing robust performance, while the integrated LEDs operate seamlessly on 12 or 24 volts AC or DC. Upgrade your security system today with this essential component!