| PartNumber | SCE028LA3SR3B | SCE028LA3SD5B | SCE028LA3SP1B |
| Description | Audio Indicators & Alerts FAST SIREN 16-28V, 3KHZ, LOUD | Audio Indicators & Alerts 1 MIN ON/DBL PULSE 16-28V, 3KHZ, LOUD | Audio Indicators & Alerts SLOW PULSE 16-28V, 3KHZ, LOUD |
| Manufacturer | Mallory Sonalert | Mallory Sonalert | Mallory Sonalert |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| RoHS | Y | Y | Y |
| Type | Siren (Fast Siren) | - | - |
| Voltage Rating | 28 VAC | 28 VAC | 28 VAC |
| 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 |