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Product Detailed Parameters
- Description：BUZZER PIEZO 24V 30.74MM PNL MNT
- Series：ZT
- Mfr：Mallory Sonalert Products Inc.
- Package：Bulk
- Driver Circuitry：Indicator, Internally Driven
- Input Type：AC, DC
- Frequency：3.9kHz
- Technology：Piezo
- Operating Mode：Pulse, Fast, Visual Indicator
- Duration：10 PPS
- Sound Pressure Level (SPL)：85dB @ 20V, 61cm
- Current - Supply：50mA
- 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：24 V
- Voltage Range：20 ~ 28V
- Size / Dimension：1.210" Dia (30.74mm)
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Overview
The ZT028LAIC2R is an industrial audio indicator from the ZT series by Mallory Sonalert. It operates on a 24 Vdc nominal voltage with a rated current of 25 mA. The device produces a fast pulse tone at a frequency of 3.9 kHz, achieving a sound pressure level of 95 dBA. Physical dimensions include a diameter of 22 mm and a height of 43.44 mm. It utilizes terminal block termination for connection.
Feature Summary
- Integrates visual LED indication with audible alarm functionality for comprehensive status signaling.
- Features internal drive circuitry to simplify integration into control panels without external drivers.
- Constructed with IP66 rating to withstand harsh industrial environments and washdown procedures.
Applications
- Industrial machinery status monitoring
- Control panel alarm systems
- Factory automation equipment indicators
Procurement Notes
Verify the specific suffix code against the manufacturer's official datasheet to confirm the exact color and acoustic configuration. Ensure the input power supply matches the 20-28 Vdc operating range. Confirm that the terminal block connection type aligns with the existing wiring harness design. Check for RoHS compliance requirements if applicable to the final assembly.
Selection Notes
Select this model when both audible alerts and visual indicators are required in a single compact unit. The 22 mm diameter fits standard panel cutouts for space-constrained applications. The fast pulse tone provides distinct attention-grabbing signals compared to continuous tones. Verify that the 95 dBA output level is sufficient for the ambient noise environment.
Part Context
This component belongs to the ZT series of industrial-grade audio indicators. The series is designed for demanding environments requiring high durability and clear signaling. It combines piezoelectric sound generation with LED technology. The product line emphasizes reliability and resistance to environmental factors.
Replacement Considerations
The ZT028LDIC2R offers identical electrical specifications but features a different light color or lens configuration. The ZT028LAIC1R provides a continuous tone instead of a fast pulse. Verify that any substitute maintains the same IP66 rating and terminal block interface.
