| PartNumber | ZA028MADP3 | ZA028MADL1 | ZA028MADP2 |
| Description | Audio Indicators & Alerts 22MM, 16-28VAC/DC, ROHS, STK | Audio Indicators & Alerts 10 SEC DELAY 75-85 dB 16-28 V | Audio Indicators & Alerts 22MM, 16-28VAC/DC, ROHS, STK |
| Manufacturer | Mallory Sonalert | Mallory Sonalert Products Inc. | Mallory Sonalert Products Inc. |
| Product Category | Audio Indicators & Alerts | Buzzers | Buzzers |
| RoHS | Y | - | - |
| Voltage Rating | 28 V | 16 V to 28 V | - |
| Current Rating | 40 mA | - | - |
| Termination Style | Terminal Block | Screw | - |
| IP Rating | - | - | - |
| Mounting | Panel | Panel | - |
| Series | ZA | ZA | ZA |
| Brand | Mallory Sonalert | - | - |
| Product Type | Audio Indicators & Alerts | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Audio Devices | - | - |
| Unit Weight | 1 oz | - | - |
| Product | - | Audible Signal Devices | - |
| Packaging | - | Bulk | Bulk |
| Length | - | 56.7 mm | - |
| Frequency | - | 3.3kHz | 3.3kHz |
| Termination | - | Terminal Block | Terminal Block |
| Driver Circuitry | - | Indicator, Internally Driven | Indicator, Internally Driven |
| Technology | - | Piezo | Piezo |
| Input Type | - | AC, DC | AC, DC |
| Voltage Rated | - | - | - |
| Voltage Range | - | 16 ~ 28V | 16 ~ 28V |
| Operating Mode | - | Continuous, 10 Sec On Delay | Fast Double Pulse |
| Sound Pressure Level | - | 75dB @ 16V, 61cm | 75dB @ 16V, 61cm |
| Current Supply | - | 40mA | 40mA |
| Operating Temperature | - | -30°C ~ 50°C | -30°C ~ 50°C |
| Washable | - | Yes | Yes |
| Port Location | - | Top | Top |
| Mounting Type | - | Panel Mount | Panel Mount |
| Size Dimension | - | 30.7mm Dia x 43.4mm H | 30.7mm Dia x 43.4mm H |
| Diameter | - | 30.7 mm | - |
| Dimensions | - | 56.7 mm L | - |
| Length in | - | 2.232 in | - |
| Length mm | - | 56.7 mm | - |
| Tone | - | Continuous | - |