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| PartNumber | MSR320 | MSR320SR | MSR320R |
| Description | Audio Indicators & Alerts CONTINUOUS PC 3-20V | Audio Indicators & Alerts CONSTANT, 3-20VDC SEALED, 23X10MM | Audio Indicators & Alerts CONSTANT, 3-20VDC MEDIUM, 23X10MM |
| Manufacturer | Mallory Sonalert | - | Mallory Sonalert Products Inc. |
| Product Category | Audio Indicators & Alerts | - | Buzzers |
| RoHS | N | - | - |
| Sound Pressure Level | 62 dBA | - | 71dB @ 3V, 61cm |
| Tone | Continuous | - | - |
| Frequency | 3.4 kHz | - | 3.5kHz |
| Voltage Rating | 20 V | - | - |
| Current Rating | 16 mA | - | - |
| IP Rating | - | - | - |
| Diameter | 0.91 mm | - | - |
| Mounting | PCB | - | - |
| Series | MSR | - | MSR |
| Brand | Mallory Sonalert | - | - |
| Product Type | Audio Indicators & Alerts | - | - |
| Factory Pack Quantity | 100 | - | - |
| Subcategory | Audio Devices | - | - |
| Packaging | - | - | Bulk |
| Termination | - | - | PC Pins |
| Driver Circuitry | - | - | Indicator, Internally Driven |
| Technology | - | - | Piezo |
| Input Type | - | - | DC |
| Voltage Rated | - | - | - |
| Voltage Range | - | - | 3 ~ 20V |
| Operating Mode | - | - | Continuous |
| Current Supply | - | - | 3 ~ 16mA |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Washable | - | - | No |
| Port Location | - | - | Top |
| Mounting Type | - | - | Through Hole |
| Size Dimension | - | - | 23.0mm Dia x 10.1mm H |