SC628AFR

Overview

The SC628AFR is a piezoelectric audio indicator from the Mallory Sonalert SC series, designed for industrial applications. It operates on AC or DC voltages ranging from 6 to 28 VAC/DC. The device produces a single-tone continuous sound at a frequency of 4.5 kHz with a sound pressure level of 89 dBA. Electrical characteristics include a rated voltage of 28 VDC and a current draw of 23 mA. It features screw terminal connections and panel mount installation. Physical dimensions are 43 mm in diameter by 33 mm in height, weighing approximately 45 g.

Feature Summary

• Piezoelectric transducer technology for reliable acoustic output
• Dual voltage compatibility supporting both AC and DC power sources
• Industrial-grade construction suitable for harsh environments
• Screw terminal termination for secure electrical connection

Applications

• Industrial machinery status indication
• Control panel alarm signaling
• Equipment fault detection systems
• Process monitoring audio alerts

Procurement Notes

Verify the specific suffix code against official Mallory Sonalert documentation to confirm exact electrical parameters and certification status. Ensure the ordering part number matches the required voltage rating and tone type. Confirm compliance requirements such as RoHS or CUL approval if applicable to your deployment environment before finalizing procurement.

Selection Notes

Select this component when a high-decibel continuous alert is required for panel-mounted installations. The SC628AFR offers robust performance in industrial settings where clear auditory warnings are critical. Consider the physical size constraints and mounting style compatibility with existing control panels during the selection process.

Part Context

The SC628AFR belongs to the legacy SC series introduced in the early 1960s, forming the foundation of Mallory Sonalert's product line. This series is recognized as an industry standard for panel alarms. The manufacturer, Mallory Sonalert Products Inc., has over a century of history in electronic components, establishing this model as a durable and widely adopted solution for audio indication.

FAQ

What is the operating voltage range for the SC628AFR?

The SC628AFR operates within a voltage range of 6 to 28 VAC or VDC.

Does the SC628AFR produce a pulsed or continuous tone?

The SC628AFR generates a continuous tone at a frequency of 4.5 kHz.