ZA028SDSR8

Alarms, Buzzers, And Sirens Overview

The ZA028SDSR8 is a piezoelectric buzzer from the Mallory Sonalert ZA series, designed for panel mounting. It operates on an AC/DC input voltage range of 16 to 28 volts with a current draw of 40 mA. The device features an internal driver circuit and produces a sound pressure level of 75 dBA at 16V measured at 61cm. It utilizes terminal block connections for secure wiring. The unit has a circular diameter of 30.74mm and a maximum installation height of 56.75mm. It is certified by UL and cUL and meets NEMA 3R, 4X, and 12 ingress protection standards.

Alarms, Buzzers, And Sirens Feature Summary

• Features an internal driver circuit for direct connection to power sources without external oscillators.
• Constructed with piezoelectric technology to generate audible alerts efficiently.
• Designed for robust panel mounting applications in industrial environments.
• Complies with UL and cUL safety certifications for global deployment.

Alarms, Buzzers, And Sirens Applications

• Industrial machinery status indicators
• Control panel alarm systems
• Safety warning devices in manufacturing settings

Alarms, Buzzers, And Sirens Procurement Notes

Verify the specific suffix 'R8' against the official Mallory Sonalert datasheet to confirm exact acoustic output and waveform characteristics, as suffixes often denote specific tone or packaging variations. Ensure the operating environment falls within the specified temperature range and that the 16-28V supply matches the rated input. Confirm terminal block compatibility with existing wiring harnesses before finalizing procurement.

Alarms, Buzzers, And Sirens Selection Notes

Select this component when a reliable, internally driven piezoelectric alert is required for panel-mounted installations. The 75 dBA output provides clear audibility for standard industrial noise levels. Consider the 30.74mm diameter for cutout requirements and verify that the terminal block termination method aligns with the system's wiring infrastructure. This model is suitable for applications requiring UL/cUL certification and NEMA environmental protection ratings.

Alarms, Buzzers, And Sirens Part Context

This part belongs to the ZA Series, a line of 22mm panel alarms known for durability and consistent performance. The ZA series typically includes various configurations differing by voltage, sound pressure level, and tone patterns. The ZA028SDSR8 represents a specific variant within this family, distinguished by its 75 dBA output and specific suffix designation.

Alarms, Buzzers, And Sirens Replacement Considerations

Direct substitutes may include other ZA series models with identical mounting dimensions and electrical ratings but different acoustic outputs. Verify that any replacement maintains the same terminal block configuration and voltage range to ensure compatibility with existing panels.