Est Edwards G4LFRF-H Horn Low Frequency

EST Edwards G4LFRF-H Low Frequency Horn: Clear, Code-Compliant Audible Notification

The EST Edwards G4LFRF-H Low Frequency Horn is engineered to deliver highly intelligible audible alerts, especially designed for sleeping areas and environments requiring compliance with modern fire safety standards. With its low-frequency output and reliable operation, this device ensures clear and effective notification during fire or emergency events.

Key Features

Low-Frequency Sound Output (520 Hz)
Produces a 520 Hz square wave tone, proven to be more effective at waking individuals, especially those with hearing impairments or in deep sleep. Complies with UL 464 low-frequency requirements and NFPA 72 for sleeping areas.

High-Decibel Performance
Delivers a powerful audible signal designed to overcome ambient noise and alert occupants effectively. Ideal for high-occupancy residential buildings and institutions.

Flush Mount Design
The G4LFRF-H is designed for flush wall installation, maintaining a clean, unobtrusive look while ensuring optimal sound projection.

Rugged and Reliable Construction
Built with durable materials for dependable operation in demanding environments, reducing the need for frequent maintenance.

Synchronization Compatible
Works with Genesis-compatible sync modules and NAC circuits to ensure uniform and code-compliant activation across all notification appliances.

Application and Usage

The G4LFRF-H is ideal for:

• Hotels and motels

• Dormitories and apartments

• Hospitals and nursing homes

• Residential areas requiring sleeping room compliance

• Commercial facilities requiring low-frequency notification

It ensures compliance with fire alarm system codes that require low-frequency signaling for sleeping areas, enhancing life safety in multi-residential and institutional environments.

Installation Tips

• Mount the unit flush with the wall using standard backboxes.

• Ensure wiring connections follow the manufacturer’s instructions and local code.

• Test for proper 520 Hz tone output and synchronization during commissioning.

• Use in combination with compatible NAC circuits or sync modules for consistent system-wide operation.

• Maintain the unit with regular testing to meet life safety code requirements.

Advantages

• Code-Compliant Notification: Meets UL 464 and NFPA 72 low-frequency requirements for sleeping areas.

• Highly Effective Alerting: A 520 Hz square wave tone is more likely to wake sleeping occupants.

• Flush Mount Design: Aesthetically pleasing with effective sound projection.

• Reliable Performance: Built for consistent operation in demanding life safety applications.

• Synchronizable: Can be synchronized with other notification devices for system-wide alert consistency.