| Operating temperature | 0°C to 50°C (32°F to 122°F) |
| Humidity range | 0% to 93% |
| Nominal Voltage | Regulated 24 VDC / 24 VFWR |
| Operating Voltage Range (RMS) | 16 to 33 |
| Input terminal wire gauge | 22 AWG to 12 AWG |
| Installation environment | For indoor use only |
AUDIBLE RATINGS
dBA Reverberant Ratings per UL464 (dBA@10 ft)
| Sound Pattern | Volume | 16 VDC |
Reg. 24 VDC | 33 VDC |
16 FWR |
Reg. 24 FWR | 33 FWR |
| Temporal | High | 82.2 | 84.9 | 84.6 | 76.8 | 79 | 80 |
| Low | 75.5 | 80.5 | 80.2 | 71.8 | 75.1 | 76.6 | |
| Continuous | High | 86.4 | 89.2 | 88.7 | 81.5 | 83.1 | 84 |
| Low | 79.9 | 84 | 84.8 | 76.2 | 79.3 | 81.2 | |
| 20 BPM | High | 79 | 81.3 | 81.6 | 74 | 75.1 | 76.1 |
| Low | 72.3 | 76 | 76.7 | 68.9 | 71.7 | 73.3 | |
| March | High | 83.2 | 86.4 | 85.7 | 79.2 | 80.6 | 81.4 |
| Low | 76.9 | 80.9 | 81.7 | 73.3 | 76.2 | 78 |
dBA Anechoic Ratings per CAN/ULC-S525 (dBA@3 m)
| Sound Pattern | Volume | 16 VDC |
Reg. 24 VDC | 33 VDC |
16 FWR |
Reg. 24 FWR | 33 FWR |
| Temporal | High | 90.2 | 93.2 | 93.2 | 84.4 | 87.1 | 88.5 |
| Low | 83.7 | 87.4 | 88.3 | 78 | 82.2 | 84.5 | |
| Continuous | High | 90.2 | 93.2 | 93.3 | 85.1 | 87.8 | 89 |
| Low | 83.8 | 87.6 | 88.6 | 78.5 | 83 | 85 | |
| 20 BPM | High | 90.3 | 92.9 | 92.9 | 84.4 | 87.2 | 88.6 |
| Low | 83.6 | 87.3 | 88.3 | 78 | 82.2 | 84.5 | |
| March | High | 90.2 | 92.9 | 92.9 | 84.4 | 87.1 | 88.4 |
| Low | 83.7 | 87.4 | 88.3 | 78 | 82.2 | 84.4 |
