| PartNumber | ZT028LACTG | ZT028LACTR | ZT028LACTB |
| Description | Audio Indicators & Alerts ALARM+LED 28 Vac/dc; Loud; Green; Cont. | Audio Indicators & Alerts ALARM+LED 28 Vac/dc; Loud; Red; Cont. | Audio Indicators & Alerts ALARM+LED 28 Vac/dc; Loud; Blue; Cont. |
| Manufacturer | Mallory Sonalert | Mallory Sonalert | Mallory Sonalert |
| Product Category | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| RoHS | Y | Y | Y |
| Voltage Rating | 28 V | 28 V | 28 V |
| Current Rating | 40 mA | 40 mA | 40 mA |
| IP Rating | - | - | - |
| Dimensions | 22 mm L x 22 mm W x 43.5 mm H | 30.74 mm L x 30.74 mm W x 43.45 mm H | 22 mm L x 22 mm W x 43.5 mm H |
| Height | 43.5 mm | 43.45 mm | 43.5 mm |
| Length | 22 mm | 30.74 mm | 22 mm |
| Series | ZT | ZT | ZT |
| Width | 22 mm | 30.74 mm | 22 mm |
| Brand | Mallory Sonalert | Mallory Sonalert | Mallory Sonalert |
| Product Type | Audio Indicators & Alerts | Audio Indicators & Alerts | Audio Indicators & Alerts |
| Factory Pack Quantity | 10 | 10 | 10 |
| Subcategory | Audio Devices | Audio Devices | Audio Devices |
| Unit Weight | 1 oz | 1 oz | 1 oz |
| Product | - | Buzzers | - |
| Sound Pressure Level | - | 95 dBA | - |
| Tone | - | Continuous | - |
| Frequency | - | 3.7 kHz | - |
| Termination Style | - | Screw | - |
| Diameter | - | 30.74 mm | - |
| Mounting | - | Panel | - |
| Length in | - | 2.234 in | - |
| Length mm | - | 56.75 mm | - |