SC648APR

Alarms, Buzzers, And Sirens Overview

The SC648APR is a piezoelectric buzzer from the Mallory Sonalert SC series, designed for panel mounting. It operates on an AC input with a voltage range of 10 to 48V. The device features internal drive circuitry and produces a continuous tone at a frequency of 2.9kHz. Electrical specifications include a current draw of 4 to 26mA and a sound pressure level of 91dB measured at 10V and 61cm. The unit has a diameter of 42.98mm (1.692 inches) and a maximum installation height of 1.330 inches (33.77mm). Termination is provided via screw terminals and quick-connect tabs measuring 0.250 inches (6.35mm).

Alarms, Buzzers, And Sirens Feature Summary

• Incorporates internal drive circuitry for simplified integration into alarm systems.
• Generates a continuous acoustic signal using piezoelectric technology.
• Supports AC power inputs within a wide voltage range for industrial versatility.

Alarms, Buzzers, And Sirens Applications

• Industrial equipment fault signaling
• Medical monitoring system alerts
• Security and access control panels

Alarms, Buzzers, And Sirens Procurement Notes

Verify that the specific suffix APR corresponds to the intended termination style and certification requirements. Confirm compatibility with the target AC voltage range and panel thickness. Ensure the required sound pressure level meets the environmental noise criteria for the installation site. Cross-reference the official datasheet for precise dimensional tolerances and thermal operating limits.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a high-intensity continuous tone is required for AC-powered applications. The internal driver eliminates the need for external oscillators. Consider the 91dB output for environments requiring audible warnings over moderate background noise. Evaluate the physical dimensions against available panel space and ensure the mounting method aligns with the enclosure design.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the SC series of industrial alarms manufactured by Mallory Sonalert Products Inc. The series is known for robust piezoelectric construction and includes various configurations for different tones and mounting styles. The SC648 model specifically utilizes a 42.98mm diameter housing, providing a balance between acoustic output and compact footprint for standard panel installations.

Alarms, Buzzers, And Sirens Replacement Considerations

SC648ANJR

Alarms, Buzzers, And Sirens FAQ

What is the operating voltage range for the SC648APR?

The device is designed to operate with an AC input voltage ranging from 10V to 48V.

Does the SC648APR require an external oscillator?

No, the SC648APR features internal drive circuitry, allowing it to function directly from the power source without additional components.