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| PartNumber | ZA028LDDP3 | ZA028LDDL1 | ZA028LDDP2 |
| Description | Audio Indicators & Alerts 22MM, 16-28VDC, ROHS, STK | Audio Indicators & Alerts 10 SEC DELAY 85-95 dB 16-28 V | Audio Indicators & Alerts 22MM, 16-28VDC, ROHS, STK |
| Manufacturer | Mallory Sonalert | Mallory Sonalert | - |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | - |
| 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 | - |
| Mounting | Panel | Panel | - |
| Height | 43.5 mm | 43.5 mm | - |
| Length | 22 mm | 22 mm | - |
| Series | ZA | ZA | - |
| Width | 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 | - |
| 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 | - |