SC250E,音频指示器及警报器 CONSTANT, 60-250V 1900HZ, SOFT
SC250EJ,BUZZER 60-250VDC/AC 1.9KHZ PANEL
SC250EJR,BUZZER PIEZO 42.85MM PNL MNT
SC250EP,音频指示器及警报器 FAST PULSE, 60-250V 1900HZ, SOFT
SC250EPR,BUZZER PIEZO 42.85MM PNL MNT
SC250ER,音频指示器及警报器 CONSTANT, 60-250V 1900HZ, SOFT
SC250F,BUZZER 60-250VDC/AC 2.9KHZ PANEL
SC250FJ,BUZZER 60-250VDC/AC 2.9KHZ PANEL
