ZT028LDCTG

Overview

The ZT028LDCTG is an industrial piezoelectric audio indicator manufactured by Mallory Sonalert. It operates within a voltage range of 20 to 28 VDC and draws 25 mA of current. The device produces a continuous tone at a frequency of 3.9 kHz with a sound pressure level of 85 dBA. It features panel mount installation via terminal block connections and carries an IP66 rating for environmental protection. The unit measures 30.74 mm in diameter and 43.44 mm in height, operating reliably between -30°C and 65°C.

Feature Summary

• Integrated LED visual indication combined with audible alarm output
• IP66 rated enclosure suitable for harsh industrial environments
• Terminal block connection method for secure panel mounting

Applications

• Industrial machinery status monitoring
• Control panel alarm signaling
• Factory automation safety indicators

Procurement Notes

Verify the specific suffix 'G' against official Mallory Sonalert documentation to confirm exact acoustic and electrical characteristics. Ensure the procurement channel provides valid RoHS compliance certificates. Confirm that the terminal block interface matches existing wiring harness specifications before finalizing orders.

Selection Notes

Select this model when both audible and visual alerts are required simultaneously. The 20-28 VDC input range suits standard industrial control voltages. The IP66 rating makes it appropriate for washdown areas or dusty conditions where standard indicators would fail.

Part Context

This component belongs to the ZT series of industrial audio indicators from Mallory Sonalert. The series is designed for demanding applications requiring high durability and clear signaling. The ZT028LDCTG variant specifically integrates LED functionality with the piezoelectric buzzer element.

FAQ

What is the operating temperature range?

The device operates effectively between -30°C and 65°C.

Does this model include a visual indicator?

Yes, the LD designation indicates the integration of an LED with the buzzer.