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| PartNumber | SC628 | SC628-BTR | SC628-4R |
| Description | Audio Indicators & Alerts MED CONTINUOUS 6-28V | Audio Indicators & Alerts Classic Sonalert w/ Flat Blade terminals | |
| Manufacturer | Mallory Sonalert | Mallory Sonalert | - |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | - |
| RoHS | N | Y | - |
| Product | Buzzers | Alarms | - |
| Sound Pressure Level | 68 dBA | 91 dBA | - |
| Tone | Continuous | Continuous | - |
| Frequency | 2.9 kHz | 2.9 kHz | - |
| Voltage Rating | 28 V | 28 V | - |
| Current Rating | 18 mA | 18 mA | - |
| Termination Style | Screw | Quick Connect Terminal | - |
| IP Rating | - | - | - |
| Diameter | 42.85 mm | 1.69 in | - |
| Dimensions | 1.69 in L x 1.69 in W x 1.41 in H | 1.69 in L x 1.69 in W x 1.41 in H | - |
| Mounting | Panel | Panel | - |
| Height | 1.41 in | 1.41 in | - |
| Length | 1.69 in | 1.69 in | - |
| Series | SC | SC | - |
| Width | 1.69 in | 1.69 in | - |
| 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 | 1.481506 oz | 1.587328 oz | - |
| Packaging | - | Bulk | - |
| Height in | - | 1.41 in | - |
| Height mm | - | 35.814 mm | - |
| Tradename | - | SONALERT | - |