Lil 1A674 Alarm Power Horn Module is an audible signaling device used to emit alarms within industrial control systems. Known by the nickname “Lil Loudmouth,” this part is identified by the catalog number 1A674 and functions as a dedicated horn module in Allen‑Bradley’s alarm signaling family. It provides loud audible alerts to indicate control-system events, making it suitable for safety-critical signaling and status notifications in automation environments.
