ZA028MDMT8

Alarms, Buzzers, And Sirens Overview

The ZA028MDMT8 is a piezoelectric buzzer from the Mallory Sonalert ZA series, designed for panel mounting applications. It features an internal driver circuit and accepts DC input within a voltage range of 16 to 28V. The device operates at a frequency of 3.3kHz with a medium pulse mode, drawing a maximum current of 40mA. It delivers a sound pressure level of 75dB measured at 16V and 61cm. The unit utilizes terminal block connections and is housed in a compact cylindrical form factor with a diameter of 30.74mm.

Alarms, Buzzers, And Sirens Feature Summary

• Integrates an internal driver circuit for direct connection to control signals without external components.
• Constructed with NEMA 3R, 4X, and 12 rated housing to provide protection against environmental ingress.
• Features a knurled nut design for secure panel mounting into standard 22.5mm holes.
• Offers certified compliance including cUL recognition for industrial safety standards.

Alarms, Buzzers, And Sirens Applications

• Industrial machinery status indicators
• Control panel alarm systems
• Enclosure warning devices

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix MDMT8 against official Mallory Sonalert documentation to confirm the exact terminal type and certification marks. Ensure the application environment falls within the specified operating temperature range of -30°C to 65°C. Confirm that the required voltage supply aligns with the 16-28V DC specification to prevent damage or malfunction. Check for any regional export classification requirements associated with the ECCN code.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a robust, panel-mountable audible indicator with environmental sealing is required. The ZA series is suitable for harsh industrial environments due to its NEMA rating. Compare the 3.3kHz frequency and 75dB output against acoustic requirements for the specific installation location. Consider the terminal block connection style if screw-down wiring is preferred over quick-connect tabs.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the Mallory Sonalert ZA series, which specializes in 22mm panel mount audio indicators. The series is characterized by its durable nylon housing and integrated driver technology. These components are widely used in industrial automation and equipment manufacturing where reliable visual and audible alerts are critical for operational safety and monitoring.

Alarms, Buzzers, And Sirens FAQ

What is the recommended panel hole size for the ZA028MDMT8?

The recommended panel mounting hole size is 22.5mm to accommodate the threaded front of the unit.

Does the ZA028MDMT8 require an external oscillator circuit?

No, the device includes an internal driver circuit and operates directly from the specified DC voltage input.