| PartNumber | SCE028SA3DL1B | SCE028SA3CTB | SCE028SA3CK1B |
| Description | Audio Indicators & Alerts 10 SEC DELAY/CONT 16-28V, 3KHZ, SOFT | Audio Indicators & Alerts CONSTANT 16-28V, 3KHZ, SOFT | Audio Indicators & Alerts CLICK SOUND 16-28V, 3KHZ, SOFT |
| Manufacturer | Mallory Sonalert | Mallory Sonalert | Mallory Sonalert |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| RoHS | Y | Y | Y |
| Voltage Rating | 28 VAC | 28 V | 28 VAC |
| Current Rating | 40 mA | 20 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 |
| Product | - | Buzzers | - |
| Sound Pressure Level | - | 75 dBA | - |
| Tone | - | Continuous | - |
| Frequency | - | 2.9 kHz | - |
| Mounting | - | Flush | - |
| Packaging | - | Bulk | - |