SC250M

Overview

The SC250M is a piezoelectric industrial alarm manufactured by Mallory Sonalert. It operates on a constant tone with a frequency of 2.9 kHz and produces an 80 dBA sound pressure level. The device supports voltage ratings of 60 to 250 VAC or 250 VDC, drawing 18 mA. It features screw terminals for connection and panel mount installation. Dimensions are 43 mm in diameter and 47 mm in length.

Feature Summary

• Piezoelectric construction for reliable audio indication
• Designed for high-voltage AC/DC industrial environments
• Panel mount configuration with screw terminal connections

Applications

• Industrial machinery status monitoring
• High-voltage electrical system alarms
• Rugged equipment safety indicators

Procurement Notes

Verify the specific suffix requirements against the official Mallory Sonalert datasheet to ensure correct acoustic output and mounting specifications. Confirm that the operating voltage range aligns with the 60-250VAC/250VDC rating. Check for RoHS compliance status as indicated in current product documentation before finalizing procurement orders.

Selection Notes

Select this component when a continuous tone indicator is required for high-voltage applications. Ensure the panel cutout matches the 43 mm diameter specification. Verify that the 18 mA current draw is compatible with the control circuitry. Consider the screw terminal interface for secure wiring in industrial settings.

Part Context

This part belongs to the SC series of industrial alarms from Mallory Sonalert. These devices are engineered for durability in demanding environments. The SC series typically offers various acoustic outputs and mounting options to suit different industrial signaling needs.

Replacement Considerations

Consult the official Mallory Sonalert cross-reference guide for verified substitutes. Ensure any replacement maintains the 2.9 kHz frequency and 80 dBA output level. Verify mechanical compatibility with existing panel mounts.