Alarm Controls MCK-6-4WP Mortise Cylinder Key Switch Stations Green LED, Weatherproof Cover

Built for secure, reliable access control in demanding environments, the Alarm Controls MCK-6-4WP mortise key switch station combines weatherproof protection with visible status feedback to simplify security operations. This mortise key switch from Alarm Controls by ASSA ABLOY uses a DPDT alternate action for dependable latching control—ideal for gates, perimeter doors, alarm panels and other access points requiring positive on/off control. The unit features a corrosion-resistant stainless-steel wall plate that accepts standard 1-1/8" mortise cylinders (cylinders sold separately), rugged tamper-proof screws, and a green LED that gives staff and monitoring systems immediate visual confirmation of switch position. Rated for outdoor use with a weatherproof cover, the MCK-6-4WP helps maintain uptime and reduces maintenance calls in surveillance and monitoring deployments. Made in the U.S., it delivers industrial-grade durability for commercial and institutional installations. Add this key switch to your access control lineup to improve operator clarity and system reliability—order today or contact our sales team for installation guidance and volume pricing.

• Weatherproof, tamper-resistant control for reliable access: protected cover and tamper-proof screws keep switches functioning in outdoor or high-traffic areas
• Visible LED status simplifies monitoring: built-in green LED provides clear, at-a-glance confirmation of switch state for security and surveillance staff
• Durable stainless-steel wall plate: resists corrosion and vandalism for long service life in commercial access control installations
• Flexible switching options: DPDT alternate action supports latching control for gates, doors, or alarm panel integration
• Easy integration with existing systems: accepts standard 1-1/8" mortise cylinders (sold separately) for fast upgrades without major door modifications