SCE028MD3CM1B,音频指示器及警报器 CHIME 16-28VDC, 3KHZ, MED
SCE028MD3CM1S,BUZZER PIEZO 42.85MM PNL MNT
SCE028MD3CTB,BUZZER 16-28VDC 2.9KHZ PANEL
SCE028MD3DL1B,BUZZ VDC 2.9KHZ 10S DELAY ON
SCE028MD3DP2B,BUZZ VDC 2.9KHZ FAST DBL PULSE
SCE028MD3DP3B,BUZZ VDC 2.9KHZ SLOW DBL PULSE
SCE028MD3DT5B,BUZZER PIEZO 42.85MM PNL MNT
SCE028MD3DT5S,BUZZER PIEZO 42.85MM PNL MNT