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The ZT120LACTG15 is an industrial-grade piezoelectric alarm and LED indicator manufactured by Mallory Sonalert Products Inc. It operates on a 90 to 120 VAC input and features an internally driven circuit with a continuous sound mode. The device emits a loud acoustic signal at a frequency of approximately 3.3 kHz, achieving a sound pressure level of 95 dBA. It includes a yellow LED for visual indication and utilizes terminal block connections for wiring. The unit is designed for panel mounting through a standard 22.5 mm hole.
Verify the specific voltage rating matches the 90-120 VAC requirement before integration. Confirm that the terminal block connection type aligns with existing wiring infrastructure. Ensure the panel cutout dimension meets the specified 22.5 mm diameter for proper fitment. Check for any required accessories such as gaskets if environmental sealing is necessary for the application environment.
Select this component when a combined audible and visual alarm is required for AC-powered systems. The internal driver eliminates the need for external drive circuits, simplifying design. Consider the 95 dBA output level for noise-intensive areas where high visibility and audibility are critical. Verify that the operating temperature range suits the intended installation location.
This part belongs to the ZT series of industrial alarms from Mallory Sonalert. The series is characterized by robust construction suitable for demanding environments. Variants within the series differ primarily by voltage ratings, LED colors, and acoustic frequencies. The ZT120LACTG15 specifically targets standard 120 VAC applications with a continuous tone output.
Direct substitutes may include other ZT series models with compatible voltage ratings. Cross-referencing with similar industrial alarm buzzers requires matching the 22.5 mm mounting hole and terminal block interface. Verify that replacement units maintain equivalent sound pressure levels and LED visibility characteristics.