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| PartNumber | PK-20A35EWQ | PK-20A35EW-24VQ | PK-20A38P-01Q |
| Description | Audio Indicators & Alerts CONSTANT, 3-24VDC 3.5KHZ, 95DB, 28X25 | Audio Indicators & Alerts Audible Alarm | Audio Indicators & Alerts 3-24VDC, Continuous PC Pins 3800Hz 105dB |
| Manufacturer | Mallory Sonalert | Mallory Sonalert | - |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | - |
| RoHS | Y | Y | - |
| Product | Buzzers | Alarms | - |
| Sound Pressure Level | 95 dBA | 104 dBA | - |
| Tone | Continuous | Continuous | - |
| Frequency | 3.5 kHz | 3.5 kHz | - |
| Voltage Rating | 12 V | 24 V | - |
| Current Rating | 10 mA | 20 mA | - |
| Termination Style | Wire Leads | Solder Pin | - |
| IP Rating | - | - | - |
| Diameter | 28 mm | 28 mm | - |
| Dimensions | 28 mm L x 28 mm W x 25 mm H | 28 mm L x 28 mm W x 25 mm H | - |
| Mounting | Flush | Through Hole | - |
| Height | 25 mm | 25 mm | - |
| Length | 28 mm | 28 mm | - |
| Series | PK | PK | - |
| Width | 28 mm | 28 mm | - |
| Brand | Mallory Sonalert | Mallory Sonalert | - |
| Height in | 0.984 in | 0.984 in | - |
| Height mm | 25 mm | 25 mm | - |
| Product Type | Audio Indicators & Alerts | Audio Indicators & Alerts | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Audio Devices | Audio Devices | - |
| Unit Weight | 0.310411 oz | 0.296301 oz | - |
| Packaging | - | Bulk | - |