SC628AH

Overview

The SC628AH is a piezoelectric industrial alarm from the Mallory Sonalert SC series. It operates on an AC/DC input voltage range of 6 to 28V with a current rating of 4 to 16mA. The device produces a continuous tone at a frequency of 4.5kHz and achieves a sound pressure level of 68dB at 6V measured at 61cm. It features screw terminals with quick-connect tabs (0.250 inch) for panel mounting. The unit has a diameter of 42.98mm and a maximum height of 35.54mm, operating within a temperature range of -30°C to 65°C.

Feature Summary

• Piezoelectric construction for reliable audio indication
• Internal driver circuitry for direct connection
• Panel mount design with screw terminal termination

Applications

• Industrial control panels
• Machine status indication
• Alarm systems in manufacturing environments

Procurement Notes

Verify the specific suffix against official Mallory Sonalert documentation to confirm electrical characteristics and termination style. Confirm availability as stock levels fluctuate. Ensure the replacement part number matches the required voltage, frequency, and mounting specifications before procurement.

Selection Notes

Select this component for applications requiring a 4.5kHz continuous audible alert. Verify that the 6-28V AC/DC input range aligns with the system power supply. Check that the 42.98mm diameter fits the designated panel cutout and that the screw terminal interface is compatible with the wiring harness.

Part Context

This component belongs to the SC series of industrial alarms manufactured by Mallory Sonalert Products Inc. These devices are designed for robust performance in demanding environments. The SC series typically offers various tones and voltages to suit different industrial signaling requirements.

Replacement Considerations

SC628AHR is listed as a potential substitute. Verify technical equivalence regarding voltage, frequency, and SPL before substitution.