| PartNumber | SCE028LD2CM4S | SCE028LD2SP1B | SCE028LD2MP1B |
| Description | Audio Indicators & Alerts CHIME 16-28VDC, 2KHZ, TERM | Audio Indicators & Alerts SLOW PULSE 16-28VDC, 2KHZ, LOUD | Audio Indicators & Alerts MED PULSE 16-28VDC, 2KHZ, LOUD |
| Manufacturer | Mallory Sonalert | Mallory Sonalert | Mallory Sonalert |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| Voltage Rating | 28 V | 28 V | 28 V |
| Current Rating | 40 mA | 40 mA | 40 mA |
| IP Rating | - | - | - |
| Series | SCE | SCE | SCE |
| Brand | Mallory Sonalert | Mallory Sonalert | Mallory Sonalert |
| Product Type | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Audio Devices | Audio Devices | Audio Devices |
| RoHS | - | Y | Y |