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Product Detailed Parameters
- Description：BUZZER 24V 30.74MM PNL MNT
- Series：ZT
- Mfr：Mallory Sonalert Products Inc.
- Package：Bulk
- Driver Circuitry：-
- Input Type：AC, DC
- Frequency：3.9kHz
- Technology：-
- Operating Mode：Pulse, Slow
- Duration：-
- Sound Pressure Level (SPL)：85dB @ 20V, 61cm
- Current - Supply：25mA
- Port Location：Top
- Operating Temperature：-30°C ~ 65°C
- Approval Agency：cUL
- Ratings：-
- Ingress Protection：NEMA 3R, 4X, 12
- Mounting Type：Panel Mount
- Termination：Terminal Block
- Height - Seated (Max)：1.710" (43.43mm)
- Voltage - Rated：24 V
- Voltage Range：20 ~ 28V
- Size / Dimension：1.210" Dia (30.74mm)
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Overview
The ZT028LAIC3B is an industrial-grade audio indicator manufactured by Mallory Sonalert. It operates on a voltage rating of 20-28 VAC and draws a current of 50 mA. The device produces a pulse tone at a frequency of 3.9 kHz with a sound pressure level of 95 dBA. It features blue LED illumination and utilizes terminal block connections for panel mounting. The unit has an IP66 ingress protection rating and measures 30.7 mm in diameter by 43.44 mm in height.
Feature Summary
- Integrated blue LED visual indicator combined with audible alarm functionality
- Robust IP66 rated enclosure suitable for harsh industrial environments
- Direct connection capability via terminal block interface
Applications
- Industrial machinery status indication
- Control panel alarm signaling
- Factory automation safety alerts
Procurement Notes
Verify the specific voltage requirement matches your system, as this model is rated for 20-28 VAC. Confirm that the terminal block termination style aligns with your wiring infrastructure. Ensure the panel cutout dimension accommodates the 30.7 mm diameter housing. Check for compliance certifications required by your regional regulations before finalizing procurement.
Selection Notes
Select this component when both audible and visual alarms are necessary within a single unit. The 95 dBA output ensures audibility in noisy settings. The AC voltage specification distinguishes it from DC-only variants in the ZT series. Consider the IP66 rating if the installation location is exposed to dust or water jets.
Part Context
This part belongs to the ZT series of industrial audio indicators from Mallory Sonalert. The series is characterized by high durability and standardized dimensions for easy retrofitting. Variants within the series differ primarily in voltage type (AC/DC), tone pattern, and LED color. This specific model addresses applications requiring alternating current power sources.
Replacement Considerations
Cross-reference with other ZT series models such as ZT028LAIC1G for DC voltage equivalents. Verify that substitute parts maintain the same 30.7 mm diameter and terminal block configuration to ensure physical compatibility.
