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| PartNumber | ZA028LASR8 | ZA028LASP1 | ZA028LASR9 |
| Description | Audio Indicators & Alerts | Audio Indicators & Alerts 22MM, 16-28VAC/DC, ROHS, STK | Audio Indicators & Alerts |
| Manufacturer | Mallory Sonalert | Mallory Sonalert | Mallory Sonalert Products Inc. |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Buzzers |
| RoHS | Y | Y | - |
| Voltage Rating | 28 V | 28 V | - |
| Current Rating | 40 mA | 40 mA | - |
| Termination Style | 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 | - |
| 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 | - |
| Product Type | Audio Indicators & Alerts | Audio Indicators & Alerts | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Audio Devices | Audio Devices | - |
| Unit Weight | 1 oz | 1 oz | 1 oz |
| Packaging | - | - | Bulk |
| Frequency | - | - | 3.3kHz |
| Termination | - | - | Terminal Block |
| Driver Circuitry | - | - | Indicator, Internally Driven |
| Technology | - | - | Piezo |
| Input Type | - | - | AC, DC |
| Voltage Rated | - | - | - |
| Voltage Range | - | - | 16 ~ 28V |
| Operating Mode | - | - | Siren Sweep |
| Sound Pressure Level | - | - | 85dB @ 28V, 61cm |
| Current Supply | - | - | 40mA |
| Operating Temperature | - | - | -30°C ~ 50°C |
| Washable | - | - | Yes |
| Port Location | - | - | Top |
| Mounting Type | - | - | Panel Mount |
| Size Dimension | - | - | 30.7mm Dia x 43.4mm H |