| PartNumber | AI-4228-P-SP250-R | AI-4228-P-SP28 | AI-4228-P-SP28D |
| Description | Audio Indicators & Alerts 220VAC 2800Hz 94dBA | Audio Indicators & Alerts 12VDC 2800Hz 88dBA | Audio Indicators & Alerts 12VDC 2800Hz 90dBA |
| Manufacturer | PUI Audio | PUI Audio | PUI Audio |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| RoHS | Y | N | N |
| Packaging | Bulk | - | - |
| Series | AI | AI | AI |
| Brand | PUI Audio | PUI Audio | PUI Audio |
| Factory Pack Quantity | 40 | - | - |
| Product | - | Indicators | Indicators |
| Sound Pressure Level | - | 88 dBA | 90 dBA |
| Tone | - | Continuous | Pulse |
| Frequency | - | 2.8 kHz | 2.8 kHz |
| Voltage Rating | - | 12 V | 12 V |
| Current Rating | - | 6 mA | 10 mA |
| Termination Style | - | Screw | Screw |
| IP Rating | - | - | - |
| Diameter | - | 42.5 mm | 42.5 mm |
| Mounting | - | Panel | Panel |
| Product Type | - | Audio Indicators & Alerts | Audio Indicators & Alerts |
| Subcategory | - | Audio Devices | Audio Devices |