856T SOUND MODULE 70MM TRANSDUCER BLACK HOUSING 16 TONE

The ALLEN-BRADLEY 856T-BTR3 is a 70 mm stack light top sound module that provides audible signaling with a transducer offering 80 tones. Designed for integration with three-circuit stack light assemblies, this sound module delivers distinct audible alerts from a compact black housing powered by 24V AC/DC. Its selectable tones and multiple circuit compatibility make it suitable for machine status indication, process alarms, and operator notification in industrial control panels. Install it as the top element of a 70 mm signal tower to add configurable sound alerts to visual stack light indications, ideal for maintenance crews and production operators monitoring equipment status.

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