Napco GEM-ACM1D Access Control Accessory for GEM-X255 Control Panel

Add centralized, professional-grade access control to your GEM-X255 burglary panel with the Napco GEM-ACM1D access control accessory. Designed for security integrators and facility managers, this Napco accessory delivers credential-based door release and the convenience of arming/disarming the alarm system through the same access workflow — reducing hardware and simplifying monitoring and surveillance. The module supports up to 195 users and runs on standard 16.5V AC low-voltage power, while its compact footprint (11" high by 3" deep) installs easily inside control cabinets. With built-in annunciation and trouble reporting, the GEM-ACM1D lets you track door status and alarm conditions without adding extra contacts, improving incident detection and response. Ideal for offices, retail, schools and healthcare sites that need integrated security, access management and alarm reporting in one package. Upgrade your GEM-X255 installation with the GEM-ACM1D for streamlined access control, reliable monitoring, and enhanced situational awareness — contact sales or add to your order today.

• Integrates access control with GEM-X255 alarm functions to simplify system management and reduce extra wiring
• Enables credential-based door release and system arm/disarm to streamline daily access workflows
• Monitors door status and reports alarms/troubles without separate contacts, improving surveillance and incident response
• Compact, low-voltage design (16.5V AC, 11" high, 3" deep) fits standard control cabinets and minimizes installation time
• Supports up to 195 users for scalable access management across small and mid-size facilities