Potter Electric Signal PSN-106B

Potter Electric Signal PSN-106B Notification Appliance Power Supply

The Potter PSN-106B is a professional-grade 10-ampere 24-volt DC power supply engineered for fire alarm systems requiring robust remote notification appliance circuit (NAC) expansion beyond the capacity of built-in control panel power supplies. This black cabinet-mount unit provides six independent 3-ampere NAC outputs, delivering power to strobes, speakers, horn/strobe combinations, and other notification devices in conventional and addressable fire detection systems across mid-to-large commercial facilities, educational institutions, healthcare campuses, and industrial plants where multiple dispersed notification zones require coordinated emergency signaling.

Power Distribution & NAC Configuration: The PSN-106B delivers 10 amperes of continuous 24 VDC output distributed across six independent notification appliance circuits, each rated for 3.0 amperes at full load without derating, providing flexible circuit allocation for diverse notification requirements. Unlike linear power supply designs that dissipate excess power as heat, the PSN-106B utilizes approximately 50% more efficient switch-mode power conversion, reducing thermal load on equipment enclosures and extending battery charging life during extended backup power scenarios. The unit accepts universal 120 VAC or 220 VAC input, enabling installation in facilities with either US or international power standards without requiring multiple supply units.

Battery Integration & Charging Capacity: The PSN-106B accommodates rechargeable sealed lead-acid backup battery installation directly within the 18-gauge cold-rolled steel cabinet (20 x 19.5 x 8 inches), supporting batteries up to 18 amp-hours in integrated mounting, with capability to charge external batteries up to 55 amp-hours for extended backup power scenarios in critical facilities. Comprehensive charging control circuits ensure optimal battery state-of-charge maintenance, fast-charge capability for rapid recovery between discharge events, and overcharge protection preventing battery damage from prolonged float-charge states common in systems with frequent false alarms or test events.

Control Features & Compliance: The PSN-106B incorporates latching diagnostic LEDs indicating active NAC output and individual NAC trouble conditions, enabling rapid troubleshooting of open-circuit or short-circuit faults on notification appliance wiring runs. Two programmable 5-ampere trouble relays interface with control panel discrete input circuits for general system trouble and low-AC trouble conditions, with optional selectable time delays accommodating facility-specific trouble notification protocols. End-of-line (EOL) reference support with standard 5.1k resistors enables retrofit applications without control panel firmware modifications, and Quadrasync strobe synchronization technology coordinates firing of Potter/Gentex, Amseco, System Sensor, and Wheelock notification devices to eliminate visual strobing confusion, meeting NFPA 72 fire alarm standards for facility installations nationwide.