Keyscan CA4500NB 4-Reader Access Control Unit, No Enclosure

Optimize physical security and reduce operational friction with the Keyscan by dormakaba CA4500NB 4-Reader Access Control Unit. Designed as a network appliance-based access control panel, the CA4500NB simplifies deployment for new builds and retrofits—delivering centralized, networked monitoring and credential management for medium-sized facilities. With capacity for up to 45,000 credentials and support for four readers or keypads, this unit covers multi-door sites while keeping management scalable and efficient. The CA4500NB includes the CA4500B ACU board, an OCB8 relay board and a DPS-15 power supply to accelerate installation; all I/O on the ACU can be supervised for added reliability. Integration-friendly I/O (4 auxiliary outputs, 16 inputs) makes it straightforward to link doors with alarms, surveillance cameras and building management systems for cohesive security and monitoring. Ideal for corporate, healthcare, education or government environments looking to modernize access control, the CA4500NB enhances protection, reduces downtime and simplifies administration. Contact our sales team to specify the CA4500NB for your access control or surveillance project and start securing your facility today.

• Scalable credential management: supports up to 45,000 credentials so your system grows with your organization
• Retrofit-friendly network appliance: modernizes legacy systems or powers new installations with minimal disruption
• Four-reader capacity: manage up to 4 doors or reader/keypad combinations for multi-door security coverage
• Integration-ready I/O: 4 auxiliary outputs and 16 supervised inputs enable tie-ins to alarms, sensors and surveillance systems
• Included core components: ACU board, relay board and 15W power supply provided for faster deployment (no enclosure included)