Alarm Controls KA-105 ON/OFF Switch Key Removable in on Position, Keyed Different

Put reliable, tamper-resistant access control where it matters most. The Alarm Controls by ASSA ABLOY KA-105 key switch delivers secure operator control for alarm panels, surveillance systems and monitoring circuits with a keyed-different design that limits unauthorized use. The KA-105’s signature feature — key removable in the ON position — locks the system in the desired state and prevents inadvertent disabling of security zones.

Engineered for low-voltage access control applications, this key switch pairs rugged US-made construction with simple wiring and compact mounting to reduce installation time and long-term maintenance. Whether you’re upgrading a commercial alarm, integrating door access for a surveillance rack, or adding manual override for a monitoring station, the KA-105 provides dependable performance and clear auditability.

Choose the Alarm Controls KA-105 key switch to enhance physical security and operator control in surveillance and security setups. Add it to your access control panel or monitoring system today to improve resiliency and reduce operational risk.

• Secure, keyed-different design reduces unauthorized access and simplifies key management for multi-zone security systems
• Key removable in ON position prevents tampering and ensures controlled activation of alarms and monitoring circuits
• Durable, US-made construction (KA-105) built for reliable performance in low-voltage access control environments
• Easy integration with alarm panels, surveillance systems and access control hardware to streamline installation and maintenance
• Compact form factor and straightforward wiring minimize downtime and support fast deployment in commercial installations