ZA028MDSU2

Alarms, Buzzers, And Sirens Overview

The ZA028MDSU2 is a piezoelectric buzzer from the Mallory Sonalert ZA series, designed for industrial applications. It operates on a DC input voltage range of 16 to 28 VDC with a current consumption of 40 mA. The device produces a sound pressure level between 65 and 75 dBA at a frequency of 3.3 kHz (approximately 3400 Hz). It features a pulse tone mode and utilizes terminal block connections for panel mounting.

Alarms, Buzzers, And Sirens Feature Summary

• Internal driver circuitry enables direct connection to power sources without external oscillators.
• Robust construction supports operation in harsh industrial environments.
• Compact 22 mm diameter form factor facilitates integration into control panels.

Alarms, Buzzers, And Sirens Applications

• Industrial machinery status indication
• Control panel alarm systems
• Equipment fault signaling

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix configuration against official Mallory Sonalert documentation to ensure correct electrical parameters and acoustic output. Confirm terminal block type and mounting requirements match the target enclosure design before ordering.

Alarms, Buzzers, And Sirens Selection Notes

Select this model when a compact, internally driven piezo buzzer is required for 16-28 VDC systems. Ensure the 3.3 kHz pulse tone meets auditory notification standards for the intended environment.

Alarms, Buzzers, And Sirens Part Context

This component belongs to the ZA series of 22 mm panel alarms manufactured by Mallory Sonalert Products Inc. The series is characterized by its small footprint and reliable performance in demanding industrial settings.

Alarms, Buzzers, And Sirens FAQ

What is the operating voltage range?

The ZA028MDSU2 operates within a DC voltage range of 16 to 28 volts.

Does the unit include an internal oscillator?

Yes, the device contains an internal driver circuit that generates the pulse tone automatically when powered.