Secutron FH-400-LF-RR Low-Frequency Wall / Ceiling Mount Sounder, Red

Designed to improve life-safety outcomes in sleeping areas, the Secutron FH-400-LF-RR low-frequency wall/ceiling sounder delivers compliant, high-performance audible alerts that wake occupants reliably. As a purpose-built sounder from Secutron, it meets NFPA 72 low-frequency requirements and emits a 520 Hz ±10% square wave tone proven effective in bedrooms, dormitories, hospitals and hotels. Installers benefit from flexible mounting on single-gang, double-gang or 4" square boxes and quick configuration via DIP switches for customizable audible patterns. Dual power operation (VDC or VFWR) ensures consistent operation across fire alarm control panels and security monitoring systems, reducing integration time and inventory complexity. That combination of code compliance, dependable audibility and installer-focused design makes the FH-400-LF-RR an efficient choice for contractors and facility managers specifying life-safety devices. Ideal for fire alarm, security and building monitoring projects, this sounder supports safer, more code-compliant environments. Contact your supplier to add the Secutron FH-400-LF-RR to your next installation or retrofit.

• Meets NFPA 72 low-frequency requirements to maximize occupant wake-up response in sleeping areas
• 520 Hz ±10% square wave tone engineered to improve audibility and reduce missed alarms in noisy environments
• Wall or ceiling mountable on single, double or 4" square boxes for fast installation and flexible placement
• Dual power compatibility (VDC or VFWR) for seamless integration with existing fire alarm and security systems
• DIP-switch selectable audible patterns for quick on-site customization without extra tools