SC628N-BTR,BUZZER PIEZO 42.98MM PNL MNT
SC628ND,AUD SIG DEVICE 6-28VDC PNL MNT
SC628NDP,AUD SIG DEVICE 10-28VDC PNL MNT
SC628NDPR,AUD SIG DEVICE 10-28VDC PNL MNT
SC628NDR,AUD SIG DEVICE 6-28VDC PNL MNT
SC628NJ,音频指示器及警报器 SLOW PULSE, 6-28VDC 2900HZ, LOUD
SC628NJR,BUZZER 6-28VDC 2.9KHZ PANEL
SC628NL,AUD SIG DEVICE 6-28VDC PNL MNT