Fireguard FG901SI_AP Addressable Sounder EN54 3 with short circuit isolator

The Fireguard addressable sounder certified to EN54-3 is an addressable acoustic notification appliance engineered to deliver high-output emergency evacuation warnings across commercial life safety installations. Manufactured by Fireguard for seamless integration into addressable fire alarm loops, it receives operating power and digital communication directly over the two-wire line without requiring auxiliary power supplies or extra field wiring. The device produces powerful acoustic alarm signals featuring panel-configurable warning tones and volume settings to penetrate elevated background noise for reliable occupant alerting. Built with an integrated short-circuit isolator to protect loop continuity during cable faults, low current consumption to maximize device capacity per loop, EN54-3 safety certification, and a durable flame-retardant housing for surface mounting, it provides a dependable life safety evacuation solution for commercial offices, healthcare facilities, schools, and industrial spaces.