Keyscan CA250NB 2-Reader Access Control Unit

Designed for flexible, reliable door control, the Keyscan CA250NB 2-Reader Access Control Unit by Keyscan (dormakaba) delivers a compact network appliance solution for new installs and system refreshes. Ideal for commercial, education, and multi-tenant sites, the CA250NB supports up to 45,000 credentials and manages two card readers or keypads—giving you enterprise-grade capacity in a surface-mount package. Supervised inputs and auxiliary outputs ensure door status and alarm conditions are actively monitored for faster response and fewer false alerts. The unit ships with the CA250B ACU board, an OCB8 relay board and a DPS-15 power supply to streamline field installation and minimize on-site troubleshooting. With serial host connectivity and easy integration into existing security and surveillance platforms, the CA250NB enables centralized monitoring, audit trails, and simple networked management. Upgrade legacy panels or deploy a reliable two-door controller that scales with your access control policy. Contact your sales rep to specify the CA250NB for turnkey access control and improved site security.

• Simplifies upgrades and retrofits: network appliance design lets you replace aging controllers without reworking site wiring or user databases
• Scales to enterprise needs with up to 45,000 credentials, supporting large staff, tenants, or contractor populations
• Controls two doors/readers with supervised inputs and auxiliary I/O for reliable alarm monitoring and local device control
• Includes ACU board, OCB8 relay board and DPS-15 power supply to speed installation and reduce component sourcing
• Integrates with broader security and surveillance systems for centralized monitoring, logging, and access reporting