Alarm Controls MCK-4-5WP Mortise Cylinder Key Switch, Stainless Steel, Non-Illuminated

Deliver reliable, mechanical access control where electrical switches are not desired or practical. The Alarm Controls by ASSA ABLOY MCK-4-5WP Mortise Cylinder Key Switch combines durable stainless steel construction with a mortise cylinder design to provide secure key-operated control for doors, gates, and restricted areas. As a non-illuminated key switch, it minimizes light signatures and false-positive indications—ideal for sensitive surveillance zones and environments that rely on discreet monitoring. The MCK-4-5WP is designed for easy retrofit into standard mortise lock preparations and integrates cleanly with access control panels and alarm systems. Built in the US to the brand's exacting standards, this key switch delivers dependable, low-maintenance operation that reduces downtime and service calls. Use it to control locking hardware, arm/disarm alarm zones, or provide fail-safe mechanical override in security-critical applications. Order the Alarm Controls MCK-4-5WP for a rugged, professional solution that enhances your overall security, monitoring, and surveillance strategy.

• Robust stainless steel construction for long-lasting, vandal-resistant access control in high-traffic commercial environments
• Mortise cylinder design (MCK-4-5WP) provides secure, mechanical key operation compatible with standard mortise locks
• Non-illuminated version reduces distractions and false signals in sensitive surveillance or monitoring areas
• Compact, retrofit-friendly form factor simplifies installation into existing door hardware and access systems
• US-made quality from Alarm Controls by ASSA ABLOY ensures consistent performance and reliability for critical security applications