| PartNumber | SC648ANJR | SC648ANR |
| Description | Audio Indicators & Alerts SLOW PULSE, 10-48V 2900HZ, LOUD | Audio Indicators & Alerts CONSTANT, 10-48VAC XLOUD, CUL APPRVD |
| Manufacturer | Mallory Sonalert | Mallory Sonalert |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts |
| RoHS | Y | Y |
| Product | Piezo Buzzers | Buzzers |
| Sound Pressure Level | 104 dBA | 95 dBA |
| Tone | Pulse | Continuous |
| Frequency | 2.9 kHz | 2.9 kHz |
| Voltage Rating | 48 VAC | 48 V |
| Current Rating | 26 mA | 26 mA |
| Termination Style | Screw | Screw |
| IP Rating | - | - |
| Mounting | Panel | Flush |
| Length | 49.21 mm | - |
| Series | SC | SC |
| Width | 42.85 mm | - |
| Brand | Mallory Sonalert | Mallory Sonalert |
| Length in | 1.937 in | - |
| Length mm | 49.21 mm | - |
| Product Type | Audio Indicators & Alerts | Audio Indicators & Alerts |
| Factory Pack Quantity | 1 | 1 |
| Subcategory | Audio Devices | Audio Devices |
| Width in | 1.687 in | - |
| Width mm | 42.85 mm | - |
| Diameter | - | 43 mm |