ZT028LDMT6R

Overview

The ZT028LDMT6R is an industrial piezoelectric buzzer and sound indicator manufactured by Mallory Sonalert. It operates on a DC voltage range of 16 to 28 VDC with a rated current of 40 mA. The device produces a multi-tone acoustic signal at a frequency of 3.9 kHz, achieving a sound pressure level of 95 dBA. It features terminal block connections for secure wiring and is designed for panel mounting applications. The unit measures 30.7 mm in diameter and 43.44 mm in height, providing a robust solution for industrial audio alerting needs.

Feature Summary

• Generates multi-tone acoustic alerts using internal piezoelectric drivers
• Provides high-intensity sound output suitable for noisy environments
• Features terminal block connections for reliable electrical interfacing
• Designed for direct panel mounting with standardized dimensions

Applications

• Industrial machinery status indication
• Factory floor safety alarms
• Control panel warning systems
• Heavy equipment operational alerts

Procurement Notes

Verify the specific suffix configuration against official Mallory Sonalert documentation to ensure correct tone and voltage specifications. Confirm that the terminal block interface matches existing wiring harnesses. Check for required certifications such as UL or CUL if operating in regulated regions. Ensure panel cutout dimensions align with the specified 30.7 mm diameter for proper installation.

Selection Notes

Select this model when a multi-tone alarm is required for critical industrial notifications. The 95 dBA output ensures audibility in high-noise settings. The terminal block connection simplifies integration into control cabinets compared to soldered alternatives. Verify that the 16-28 VDC input range matches the available system power supply before finalizing the design.

Part Context

This component belongs to the ZT series of industrial buzzers from Mallory Sonalert. The series is characterized by durable construction and high sound pressure levels. It serves as a specialized audio indicator within the broader portfolio of Mallory Sonalert products, which include various piezoelectric and electromagnetic alerting devices for diverse industrial applications.

Replacement Considerations

Consult official Mallory Sonalert cross-reference guides for verified substitutes. Ensure replacement units maintain identical voltage, current, and acoustic output specifications. Verify that physical dimensions and mounting styles remain compatible with existing panel enclosures.