| PartNumber | SCL028MD3SP1B | SCL028MD3CTB | SCL028MA3CTB |
| Description | Audio Indicators & Alerts SLOW PULSE, 16-28VDC MED, LOW CURRENT | Audio Indicators & Alerts CONSTANT, 16-28VDC MED, LOW CURRENT | Audio Indicators & Alerts CONSTANT, 16-28V MED, LOW CURRENT |
| 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 V | 28 V | 28 V |
| Current Rating | 20 mA | 20 mA | 20 mA |
| IP Rating | - | - | - |
| Dimensions | 1.69 in L x 1.69 in W x 1.41 in H | 1.69 in L x 1.69 in W x 1.41 in H | 1.69 in L x 1.69 in W x 1.41 in H |
| Height | 1.41 in | 1.41 in | 1.41 in |
| Length | 1.69 in | 1.69 in | 1.69 in |
| Series | SCL | SCL | SCL |
| Width | 1.69 in | 1.69 in | 1.69 in |
| 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 |
| Unit Weight | 1.587328 oz | 1.587328 oz | 1.587328 oz |