Mallory Sonalert Steady Continuous Tone Electronic Alarm Signal SC628 6-28 VDC

SONALERT Mallory SC628 6-28 VDC Audible Signal Transducer with Volume Control

SONALERT SC628NR Piezoelectric buzzer, Transducer, 6-28 VDC 6-23 mA

1 Mallory Sonalert Electronic Signal SC628 6-28 VDC #72331

Sonalert SC628R 28VDC Transducer

Sonalert SC628R Alarm FNOB

Mallory SC110NJ Sonalert Transducer Used

Mallory Sonalert SC628ADR Audio 6VDC/6VAC 28VDC/28VAC 15mA 60dBA 1600Hz to 22...