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Big Musical Buzzer 5V to 24V DC - B27

SKU: ZOXAKHB5CU
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4.9 (134 reviews)
The B27 Big Musical Buzzer is a self-driven electronic audio indicator designed to generate a loud and clear buzzer sound when DC power is applied. Operating over a wide voltage range of 5V to 24V DC, this buzzer contains an internal oscillator circuit, eliminating the need for an external signal source or frequency generator. The buzzer produces a continuous audible...
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The B27 Big Musical Buzzer is a self-driven electronic audio indicator designed to generate a loud and clear buzzer sound when DC power is applied. Operating over a wide voltage range of 5V to 24V DC, this buzzer contains an internal oscillator circuit, eliminating the need for an external signal source or frequency generator.

The buzzer produces a continuous audible tone, making it ideal for alarms, warning systems, industrial control panels, automation equipment, security systems, timers, and DIY electronics projects. Its large housing design enables higher sound output compared to mini buzzers, ensuring clear audio indication even in noisy environments.

The B27 buzzer is easy to install and can be directly connected to a DC power supply, relay output, PLC output, or microcontroller-controlled switching circuit.

Key Features

  • Self-driven musical buzzer
  • Wide operating voltage range: 5V to 24V DC
  • Built-in oscillator circuit
  • Loud and clear sound outputz`
  • No external signal generator required
  • Simple two-wire connection
  • Low power consumption
  • Compact and durable housing
  • Easy installation and operation
  • Suitable for industrial and DIY applications
  • Reliable long-life performance
  • Ideal for alarm and notification systems
  • Compatible with Arduino and microcontroller projects

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Product Type: Musical Buzzer
Model: B27
Operating Voltage: 5V – 24V DC
Drive Type: Self-Driven (Internal Oscillator)
Sound Type: Continuous Tone / Musical Tone
Sound Output Level: Approximately 85–95 dB
Rated Current: Typically 10mA – 30mA
Frequency Range: Approximately 2kHz – 4kHz
Connection Type: Two-Wire
Polarity: Positive (+) and Negative (-)
Housing Material: ABS Plastic
Mounting Type: Panel Mount / PCB Wire Mount
Operating Temperature: -20°C to +70°C
Storage Temperature: -30°C to +85°C
Diameter: Approximately 27mm
Height: Approximately 15–20mm
Weight: Approximately 10g – 20g

Additional Resources

Buzzer&Siren.PDF

FAQ

1. What is the B27 Big Musical Buzzer used for?

The B27 buzzer is used for audible alerts, alarms, warnings, notifications, and indication systems in electronic and industrial applications.

2. Does the buzzer require an external signal generator?

No, the B27 is a self-driven buzzer with an internal oscillator, so it produces sound when DC power is applied.

3. What voltage range does the B27 buzzer support?

The buzzer operates from 5V to 24V DC, making it suitable for a wide range of electronic systems.

4. Can the B27 buzzer be used with Arduino and microcontrollers?

Yes, it can be controlled through a transistor, relay, or suitable driver circuit connected to Arduino, ESP32, STM32, and other microcontrollers.

5. How loud is the B27 musical buzzer?

The buzzer typically produces a sound level of approximately 85–95 dB, making it suitable for alarms, alerts, and warning applications.

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