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Product Detailed Parameters
- Description：BUZZER 30.74MM PNL MNT
- Series：ZT
- Mfr：Mallory Sonalert Products Inc.
- Package：Bulk
- Driver Circuitry：-
- Input Type：AC
- Frequency：3.9kHz
- Technology：-
- Operating Mode：Double Pulse, Slow
- Duration：-
- Sound Pressure Level (SPL)：85dB @ 90V, 61cm
- Current - Supply：40mA
- 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：-
- Voltage Range：90 ~ 120V
- Size / Dimension：1.210" Dia (30.74mm)
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Overview
The ZT120LADP3R is an industrial-grade piezoelectric buzzer from the ZA series by Mallory Sonalert Products Inc. It operates on a voltage range of 90 to 120 VAC and draws a current of 40 mA. The device produces a continuous tone at a frequency of 3.9 kHz with a sound pressure level of 85 dB measured at 61 cm. It features terminal block connections for secure wiring and is designed for panel mounting using an M22 x 1.5 thread interface. The unit includes a gasket for environmental sealing.
Feature Summary
- Industrial design suitable for control panels and heavy equipment
- Internal driver circuitry for direct AC connection
- Threaded mounting interface with integrated gasket
Applications
- Industrial control panels
- Heavy machinery alarm systems
- Equipment status notification
Procurement Notes
Verify the specific suffix 'R' against the manufacturer's latest datasheet to confirm if it denotes a specific packaging or variant difference compared to standard ZA models. Confirm the operating voltage range matches the application supply, as some variants may differ. Ensure the M22 threaded hole dimensions align with the enclosure cutout requirements before finalizing procurement.
Selection Notes
Select this model when a high-voltage AC input (up to 120 VAC) is available directly without external drivers. The M22 threaded mount provides a robust mechanical seal compared to snap-in types. Consider the 85 dB output level relative to ambient noise; higher SPL models like the STA series are required for louder environments.
Part Context
This component belongs to the ZA series of industrial buzzers, which are characterized by their durability and suitability for harsh environments. The ZA series typically offers various voltage ratings and mounting styles, with the ZT variant specifically utilizing the threaded M22 interface for secure installation in metal enclosures.
Replacement Considerations
The ZA120LADP3 is a closely related model within the same series. Verify if the 'R' suffix indicates a distinct specification change. Other ZA series units with similar voltage ratings and terminal block connections may serve as functional alternatives if mounting hardware compatibility is confirmed.
