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| PartNumber | MSE28MSN2S | MSE28MSN3 | MSE28MSN2 |
| Description | Audio Indicators & Alerts 16to28Vdc Med75-85dB Sealed SLOW SIREN | Audio Indicators & Alerts 16to28Vdc Med75-85dB FAST SIREN | Audio Indicators & Alerts 16to28Vdc Med75-85dB SLOW SIREN |
| Manufacturer | Mallory Sonalert | Mallory Sonalert | - |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | - |
| RoHS | Y | Y | - |
| Product | Board Mount Buzzers | Board Mount Buzzers | - |
| Type | Siren (Slow Siren) | Siren (Fast Siren) | - |
| Sound Pressure Level | 85 dBA | 85 dBA | - |
| Tone | Siren | Siren | - |
| Frequency | 3.5 kHz | 3.5 kHz | - |
| Voltage Rating | 28 V | 28 V | - |
| Current Rating | 50 mA | 50 mA | - |
| Termination Style | Solder Pin | Solder Pin | - |
| IP Rating | - | - | - |
| Dimensions | 23 mm L x 23 mm W x 13.5 mm H | 23 mm L x 23 mm W x 13.5 mm H | - |
| Mounting | Through Hole | Through Hole | - |
| Application | Board mounted warning buzzer | Board mounted warning buzzer | - |
| Height | 13.5 mm | 13.5 mm | - |
| Length | 23 mm | 23 mm | - |
| Width | 23 mm | 23 mm | - |
| Brand | Mallory Sonalert | Mallory Sonalert | - |
| Height in | 0.531 in | 0.531 in | - |
| Height mm | 13.5 mm | 13.5 mm | - |
| Length in | 0.906 in | 0.906 in | - |
| Length mm | 23 mm | 23 mm | - |
| Product Type | Audio Indicators & Alerts | Audio Indicators & Alerts | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Audio Devices | Audio Devices | - |
| Width in | 0.906 in | 0.906 in | - |
| Width mm | 23 mm | 23 mm | - |
| Features | - | Wash label and sealed | - |
| Series | - | MSE | - |