| PartNumber | ZA028LDDP3 | ZA028LDDT8 | ZA028LDDL1 |
| Description | Audio Indicators & Alerts 22MM, 16-28VDC, ROHS, STK | Audio Indicators & Alerts | Audio Indicators & Alerts 10 SEC DELAY 85-95 dB 16-28 V |
| 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 | 40 mA | 40 mA | 40 mA |
| Termination Style | Terminal Block | Terminal Block | Terminal Block |
| IP Rating | - | - | - |
| Dimensions | 22 mm L x 22 mm W x 43.5 mm H | 22 mm L x 22 mm W x 43.5 mm H | 22 mm L x 22 mm W x 43.5 mm H |
| Mounting | Panel | Panel | Panel |
| Height | 43.5 mm | 43.5 mm | 43.5 mm |
| Length | 22 mm | 22 mm | 22 mm |
| Series | ZA | ZA | ZA |
| Width | 22 mm | 22 mm | 22 mm |
| 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 oz | 1 oz | 1 oz |
| Product | - | - | Audible Signal Devices |
| Sound Pressure Level | - | - | 95 dBA |
| Tone | - | - | Continuous |
| Diameter | - | - | 30.7 mm |
| Packaging | - | - | Bulk |
| Length in | - | - | 2.232 in |
| Length mm | - | - | 56.7 mm |