HES PA-300 Two Tone Piezo Buzzer 3-28VDC

HES PA-300 Two Tone Piezo Buzzer 3-28VDC

The HES PA-300 is a compact two-tone piezo buzzer engineered for security and access control system signaling. Operating across a wide 3-28VDC input range, this device delivers reliable dual-tone audible notifications for alarm events, door strikes, system alerts, and status confirmations. The piezo construction ensures consistent sound generation with minimal power consumption, making it ideal for distributed alarm networks and control panel integration in commercial security installations.

Key Features

• Two-tone audio output for distinct alarm and notification signals
• Wide operating voltage range: 3-28VDC
• Compact piezo buzzer form factor
• Suitable for indoor installations and control panel mounting
• Compatible with HES power supplies and legacy access control systems
• Reliable, low-power audible signaling solution

Technical Highlights

The PA-300's piezo construction delivers efficient sound generation without requiring external amplification, reducing circuit complexity and power draw in integrated security systems. The two-tone capability allows security integrators to program distinct audio patterns—enabling armed/disarmed confirmations, unauthorized access alerts, and equipment status notifications that operators can quickly distinguish. The broad voltage tolerance accommodates various power supply configurations common in legacy and modern access control deployments.

Applications

• Security system armed/disarmed confirmations
• Unauthorized access and intrusion alerts
• Door strike and gate control notifications
• Equipment status and fault signaling
• Alarm event acknowledgment in distributed security networks
• Control panel integration for multi-zone systems

The HES PA-300 is the straightforward choice for integrators deploying reliable, compact audible notification devices across institutional, commercial, and industrial security installations.