Alarm Controls PA-300 Dual Tone Piezo Buzzer, 3/4" hole, Single Gang Wall Plate, 85dB

Engineered for dependable audible notification in commercial security and monitoring systems, the Alarm Controls by ASSA ABLOY PA-300 Dual Tone Piezo Buzzer delivers loud, distinguishable alerts to speed operator response and reduce missed events. This compact security alarm mounts in a standard .750" diameter hole and pairs with a single-gang wall plate for clean, professional installation on panels, door stations, and control enclosures. With an 85 dB output at 3 feet and both continuous and slow-pulse tones, the PA-300 provides clear, attention-grabbing signals ideal for intrusion, fire pre-alarm, and equipment fault notifications. The unit runs on 6–28 VDC, enabling flexible integration with a wide range of access control and alarm systems while maintaining low current draw for efficient operation. Color-coded 6" leads speed wiring and reduce install time for technicians. Designed and manufactured in the US, this wired piezo buzzer supports surveillance and monitoring use-cases where reliable audible feedback is critical. Upgrade your alarm panels and access control installations with the PA-300—contact us or order now to add robust, professional-grade alerts to your security system.

• Provides clear, reliable audible alerts (85 dB at 3 ft) to improve response times in security and monitoring applications
• Dual-tone design with continuous and pulsing modes for distinct, configurable notifications
• Wide 6–28 VDC operating range for easy integration with access control panels, alarm systems, and surveillance equipment
• Compact piezo element mounts into a standard .750" diameter hole and accommodates single-gang wall plate mounting for neat, professional installations
• Low current draw and color-coded leads simplify wiring and reduce installation time for technicians
• Rugged plastic bezel and US-made construction deliver dependable field performance and long service life