Simplex 6310-9226 12-Inch Sync Fire Alarm Clock

The Simplex 6310-9226 is a 12-inch round synchronized fire alarm clock designed for master/slave timekeeping networks in commercial facilities. Identified by part number 6310-9226, this black clock operates on a 24 V, 60 Hz supply and draws about 3 W, making it suitable as a replacement clock within Simplex systems. It is commonly used in schools, hospitals, offices, and other large buildings to keep campus-wide time aligned as part of a centralized clock system. Documentation for Simplex clock families notes the 6310-9226 as a 12-inch round, 24 V / 60 Hz clock in black, designed for synchronized operation within a central clock network.