Description
NANZHOU 3″ & 1.5″ Buzzer HRB Series – Professional Continuous Sound Warning
The NANZHOU Industrial Buzzer HRB Series is a professional and versatile audible warning device, engineered for use in demanding industrial, commercial, and security applications.
Available in different sizes (3″ and 1.5″ models like HRB-PS30, HRB-P80, and HRB-N80), this series offers a loud and clear continuous sound output of 95dB, ensuring that the warning signal is effectively heard in noisy environments.
This reliable buzzer provides flexibility in installation with wide voltage compatibility, supporting DC 12V, 24V, and AC 110V/220V, allowing for seamless integration into virtually any existing control system or panel.
With a modest power consumption (3W-5W), the HRB Series maintains efficiency while providing a powerful alert. Its continuous sound effect is ideal for signaling critical failures, urgent warnings, or status changes.
The NANZHOU Industrial Buzzer is the definitive choice for professionals seeking a durable, efficient, and loud warning solution for their equipment.
Specification :
Parameter | HRB-PS30 | HRB-P80 | HRB-N80 |
Name | Buzzer | Buzzer | Buzzer |
Voltage | DC 12V, 24V / AC 220V | DC 12V, 24V / AC 110V, 220V | DC 12V, 24V / AC 110V, 220V |
Power | 3W | 5W | 5W |
Decibel | 95dB | 95dB | 95dB |
Sound effects | Continuous sound | Continuous sound | Continuous sound |
Overall dimensions | (As shown in drawing) | (As shown in drawing) | (As shown in drawing) |
Dimension :


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