SC628AFPR,BUZZER 6-28VDC/AC 2.9KHZ PANEL
SC628AFR,BUZZER 6-28VDC/AC 2.9KHZ PANEL
SC628AH,AUD SIG DEVICE 6-28VAC/DC PANEL
SC628AHJ,音频指示器及警报器 SLOW PULSE, 6-28V 4500HZ, MEDIUM
SC628AHJR,音频指示器及警报器 SLOW PULSE, 6-28V 4500HZ, MEDIUM
SC628AHP,音频指示器及警报器 SLOW MED INTER 6-28V
SC628AHPR,BUZZER 6-28VDC/AC 4.5KHZ PANEL
SC628AHR,音频指示器及警报器 CONSTANT, 6-28VAC 4500HZ, MEDIUM
