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| PartNumber | SCE028LD2CM4S | SCE028LD2CT1F | SCE028LD2CT1B |
| Description | Audio Indicators & Alerts CHIME 16-28VDC, 2KHZ, TERM | Audio Indicators & Alerts CONSTANT 16-28VDC, 2KHZ, FLAT | Audio Indicators & Alerts CONSTANT 16-28VDC, 2KHZ, LOUD |
| Manufacturer | Mallory Sonalert | Mallory Sonalert Products Inc. | Mallory Sonalert Products Inc. |
| Product Category | Audio Indicators & Alerts | Buzzers | Buzzers |
| Voltage Rating | 28 V | - | - |
| Current Rating | 40 mA | - | - |
| IP Rating | - | - | - |
| Series | SCE | SCE | SCE |
| Brand | Mallory Sonalert | - | - |
| Product Type | Audio Indicators & Alerts | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Audio Devices | - | - |
| Packaging | - | Bulk | Bulk |
| Frequency | - | 2kHz | 2kHz |
| Termination | - | Quick Connect Tab - 0.250" (6.35mm) | Terminal Block |
| Driver Circuitry | - | Indicator, Internally Driven | Indicator, Internally Driven |
| Technology | - | Piezo | Piezo |
| Input Type | - | DC | DC |
| Voltage Rated | - | - | - |
| Voltage Range | - | 16 ~ 28V | 16 ~ 28V |
| Operating Mode | - | Continuous | Continuous |
| Sound Pressure Level | - | 85dB @ 16V, 61cm | 85dB @ 16V, 61cm |
| Current Supply | - | 40mA | 40mA |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C |
| Washable | - | No | No |
| Port Location | - | Top | Top |
| Mounting Type | - | Panel Mount | Panel Mount |
| Size Dimension | - | 42.85mm Dia x 35.85mm H | 42.9mm Dia x 38.4mm H |