Product Details

High-Output Alarm Horn for Elevator Under-Car Safety and Operational Warning

The Under-Car Alarm Horn is a high-output audible warning device installed in the elevator under-car assembly to provide a powerful, attention-commanding alarm signal for safety-critical and operational warning applications in elevator and escalator systems. Producing a high sound pressure level that cuts through the ambient noise of building environments and elevator shaft acoustics, the Alarm Horn ensures that safety warnings and operational alerts from under-car elevator systems are clearly and immediately perceived by personnel in and around the elevator installation.

In elevator applications, audible alarm horns serve critical safety functions including alerting pit personnel and building occupants to emergency conditions, signalling the imminent movement of the elevator car as a warning to anyone in proximity to the shaft or pit, announcing emergency stop activation or safety circuit interruption, and providing a persistent warning signal during fault conditions that require immediate attention from maintenance personnel. The penetrating output of a dedicated alarm horn is the most reliable means of ensuring these alerts are heard in the noisy, reverberant environment of a building elevator installation.

The Alarm Horn is designed to produce a consistent, high-decibel output across its operating frequency range, with a tonal character selected to be clearly distinguishable from background building noise and other warning devices in the elevator system. The horn driver and resonator are engineered for reliable acoustic output across the range of temperatures, humidity levels, and dust concentrations encountered in elevator shaft and pit environments, maintaining consistent warning performance throughout the elevator's service life.

Sealed construction protects the horn's internal components from the dust, condensation, and moisture characteristic of elevator shaft environments. The device is mechanically robust, with a mounting arrangement that resists vibration-induced loosening during elevator travel and maintains the horn's acoustic orientation for consistent sound projection toward the intended alert zone. Electrical connections are rated for the under-car wiring environment and the continuous or intermittent duty cycles typical of elevator alarm applications.

For elevator OEMs and installation contractors specifying under-car audio warning systems that must deliver reliable, high-output alarm signals in demanding elevator environments, the Under-Car Alarm Horn provides the acoustic performance, environmental durability, and installation reliability that elevator safety warning systems demand.

Key Features

• High sound pressure level output for reliable alarm perception in elevator environments
• Clearly distinguishable tonal character for effective safety warning
• Consistent acoustic output across shaft temperature and humidity range
• Sealed, vibration-resistant construction for under-car shaft installation
• Suitable for movement warning, emergency stop, and fault alert applications