SC628AEJ

Overview

The SC628AEJ is a piezoelectric audio indicator from the Mallory Sonalert SC series, designed for industrial applications. It operates on a voltage rating of 28 VAC/DC with a current draw of 16 mA. The device produces a continuous tone at a frequency of 4500 Hz and achieves a sound pressure level of 89 dBA. It features screw termination and panel mount installation. The unit has a diameter of 43 mm and a height of 36 mm.

Feature Summary

• Piezoelectric construction for reliable acoustic output
• Continuous tone generation capability
• Industrial-grade durability and certification

Applications

• Industrial machinery status indication
• Equipment fault alarms
• Process control monitoring

Procurement Notes

Verify the specific suffix code against official Mallory Sonalert documentation to confirm electrical parameters and termination style. Ensure the ordering part number matches the required voltage and mounting configuration for the target application environment.

Selection Notes

Select this model for applications requiring a high-decibel continuous alert with screw terminal connections. Confirm that the 28 VAC/DC operating range aligns with the system power supply and that the panel cutout dimensions accommodate the 43 mm diameter housing.

Part Context

Part of the SC series, established in the 1960s as a foundational design for Mallory Sonalert. The series remains a standard for panel-mounted audio indicators in industrial and medical sectors, known for robust performance and long-term reliability.

Replacement Considerations

SC628MH is a confirmed substitute within the same series offering identical electrical and mechanical specifications.