ZT028LDCTR

$35.42

Description：BUZZER PIEZO 30.74MM PNL MNT
Series：ZT
Mfr：Mallory Sonalert Products Inc.
Package：Bulk

SKU:db97821ba4ee Category: Alarms, Buzzers, and Sirens Brand: Mallory Sonalert Products Inc.

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Product introduction

Product Detailed Parameters

Description：BUZZER PIEZO 30.74MM PNL MNT
Series：ZT
Mfr：Mallory Sonalert Products Inc.
Package：Bulk
Driver Circuitry：Indicator, Internally Driven
Input Type：DC
Frequency：3.7kHz
Technology：Piezo, LED, Red
Operating Mode：Single Tone, Visual Indicator
Duration：-
Sound Pressure Level (SPL)：85dB @ 20V, 61cm
Current - Supply：40mA
Port Location：Top
Operating Temperature：-30°C ~ 65°C
Approval Agency：cUL, UL
Ratings：-
Ingress Protection：NEMA 3R, 4X, 12
Mounting Type：Panel Mount
Termination：Terminal Block
Height - Seated (Max)：2.234" (56.75mm)
Voltage - Rated：-
Voltage Range：20 ~ 28V
Size / Dimension：1.210" Dia (30.74mm)

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ZT028LDCTR

Overview

The ZT028LDCTR is an industrial-grade alarm and indicator manufactured by Mallory Sonalert. It operates on a 24 VDC supply with a current draw of 25 mA. The device produces a continuous tone at 3.9 kHz with a sound pressure level of 95 dBA. It features a red LED and terminal block connections for panel mounting. The unit measures 22 mm in diameter and 43.44 mm in height, complying with RoHS standards.

Feature Summary

Combines audible alarm with visual LED indication
Panel mount design with terminal block termination
Industrial grade construction

Applications

Industrial control panels
Machine status monitoring
Safety alarm systems

Procurement Notes

Verify the specific suffix 'CTR' against official Mallory Sonalert documentation to confirm exact voltage and acoustic characteristics. Ensure compatibility with existing panel cutouts and wiring configurations before procurement. Cross-reference datasheets for environmental ratings.

Selection Notes

Select this model for applications requiring combined audio-visual alerts in industrial environments. Confirm that the 24 VDC operating voltage matches the system power supply. Verify that the 22 mm diameter fits the designated panel opening and that terminal block connections are suitable for the installation wiring.

Part Context

This component belongs to the ZT series of industrial indicators from Mallory Sonalert. The series is designed for robust performance in demanding environments. The ZT028LDCTR specifically integrates piezo technology for reliable sound generation alongside LED signaling for clear status indication.