| 型号 | 制造商 | 描述 | 操作 |
| SC250NJR [更多] | Mallory Sonalert Products Inc | Audio Indicators & Alerts RoHS: Compliant | 搜索 |
| SC250NJ [更多] | Mallory Sonalert Products Inc | Audio Indicators & Alerts SLOW PULSE, 60-250V 2900HZ, XLOUD RoHS: Not compliant | 搜索 |
| 型号 | 制造商 | 描述 | 操作 |
| SC250NJ [更多] | Mallory Sonalert Products Inc | Buzzer, Slow Pulse, 60-250VAC/VDC, 6-24mA, 88-100dBA at 2ft., Nylon, Black RoHS: Not Compliant | 搜索 查看资料 |
| SC250NJR [更多] | Mallory Sonalert Products Inc | Panel Mount, 30mm Alarm w/screw terminals. Slow Pulse, 60 - 250VAC/DC RoHS: Compliant | 搜索 查看资料 |