Von Duprin PS904-2RS-FA Power Supply Relay Board Output

Ensure uninterrupted operation of your access control and security systems with the Von Duprin PS904-2RS-FA power supply. Designed for installers and security integrators, this compact power supply delivers field-selectable 12/24V DC output and a robust 4A current to reliably power electric locks, card readers, surveillance cameras and monitoring peripherals. The universal 120–240V AC input and flat mounting with polarized option-board connectors reduce installation time and eliminate the need for bulky racks or side connectors.

Built-in AC/DC monitoring LEDs and isolated SPDT contacts make system health checks and alarm integration straightforward, while the fire alarm interface lets you configure outputs as switched or unswitched to meet life-safety requirements. Battery backup auto-select and a high-voltage protective cover further simplify maintenance and improve on-site safety. Certified to UL standards and RoHS-compliant, the PS904-2RS-FA is ideal for commercial security, surveillance and monitoring applications where uptime and code compliance matter. Order now or contact our sales team to specify this Von Duprin power supply for your next access control or surveillance project.

• Delivers dependable filtered and regulated 12/24V DC power (field-selectable) to keep access control and security devices online
• 4A output capacity supports multiple locks, readers or surveillance peripherals without power strain
• Flat-mount design with polarized option-board connectors speeds installation and reduces rack clutter for faster deployments
• Integrated AC/DC monitoring with visible LEDs and isolated SPDT contacts simplifies system diagnostics and remote monitoring
• Fire alarm interface and battery backup auto-select enhance life-safety integration and ensure continued operation during events
• UL-tested reliability and RoHS compliance provide code confidence for commercial security and monitoring projects