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| PartNumber | PF-27N26PSQ | PF-27N25PSQ | PF-27N25WQ |
| Description | Audio Indicators & Alerts FAST PULSE, 4-28VDC 2.5KHZ, 90DB, 30X10 | Audio Indicators & Alerts FAST PULSE, 4-28VDC 2.5KHZ, 90DB, 30X16 | Audio Indicators & Alerts FAST PULSE, 4-28VDC 2.5KHZ, 90DB, 30X16 |
| Manufacturer | Mallory Sonalert | Mallory Sonalert | Mallory Sonalert |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| RoHS | Y | Y | Y |
| Voltage Rating | 12 V | 12 V | 12 V |
| Current Rating | 15 mA | 15 mA | 15 mA |
| IP Rating | - | - | - |
| Dimensions | 30 mm L x 30 mm W x 10 mm H | 30 mm L x 30 mm W x 16 mm H | 30 mm L x 30 mm W x 16 mm H |
| Height | 10 mm | 16 mm | 16 mm |
| Length | 30 mm | 30 mm | 30 mm |
| Series | PF | PF | PF |
| Width | 30 mm | 30 mm | 30 mm |
| Brand | Mallory Sonalert | Mallory Sonalert | Mallory Sonalert |
| Product Type | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Audio Devices | Audio Devices | Audio Devices |
| Unit Weight | 0.162260 oz | 0.253973 oz | 0.268082 oz |
| Product | - | - | Piezo Indicators |
| Sound Pressure Level | - | - | 90 dBA |
| Tone | - | - | Pulse |
| Frequency | - | - | 2.5 kHz |
| Termination Style | - | - | Wire Leads |
| Mounting | - | - | Flange |
| Length in | - | - | 1.181 in |
| Length mm | - | - | 30 mm |