SC628E

6VDC to 28VDC operating voltage range featuring a unique dual-mode driver that outputs an intermittent chime or pulsing alert tone instead of a continuous blast. | 30mm Panel Mount Threaded Cylindrical Housing | Modern elevator control panels, commercial automated entry doors, mass-transit operator consoles. | SC628E | None | None | Mallory Sonalert SC628E, SC628E-Pulse | Guitar Pedal True-Bypass Relay Toggle Indicator: Wired to a latching CMOS flip-flop system inside a boutique multi-effects bench matrix to sound a clean, rhythmic double-chirp whenever an effects loop relay cycles open. | Otis Elevator Car Operating Panels and Schindler Transit Lift Interface Modules: This pulsing audio warning device was engineered by Mallory Sonalert to deliver high-visibility status updates in public utility environments without generating acoustic harshness.