| Maximum output | 103dB(A) @ 1 m ±3dB / [94dB(A) @ 10ft/3m ±3dB] |
| Nominal output | 101dB(A) @ 1m ±3dB / [92dB(A) @ 10ft/3m ±3dB] |
| No. of tones | 10 (UKOOA / PFEER compliant) |
| No. of stages | 2 (AC voltage variants 1 stage) |
| Volume control | -12dB(A) tone dependent |
| Effective range | 38m/124ft @ 1KHz |
| Voltages DC | 24VDC (10-30VDC) / MED version: 20-30VDC |
| Voltages AC | 24VAC; 115VAC; 230VAC |
| Stage switching | Negative (common positive) |
| Ingress protection | IP66 Type 3R/13 |
| Enclosure material | High impact UL94 V0 & 5VA FR ABS |
| Enclosure colour | Red (RAL3000), Grey (RAL7038) & White |
| Cable entries | 2 x M20, 1/2"NPT clearance cable entries with blanking plugs |
| Terminals | 0.5 - 1.5mm² (22-16 AWG) |
| Line monitoring | Diode polarized for use in supervised circuits |
| Operating | -40 to +55°C [-40° to +131°F] |
| Storage | -40 to +70°C [-40° to +158°F] |
| Relative humidity | 90% at 20°C [68°F] / 95% with additional tropicalisation |
| Vibration test | 35Hz for a duration 4Hr (UL464A) |
| Jarring test | 3ft/lb Energy (UL464A) |
| Impact test | 3x 5lb (UL464A) |
| MTBF DC | 306 years / 2,684,563 hours - MIL 217 |
| MTBF AC | 329 years / 2,886,002 hours - MIL 217 |
| Weight | 0.30kg / 0.66Ibs |
| Current Consumption |
| DC024 | 24VDC / 10-30VDC / 25mA |
| AC024 | 24VAC / ±10% 50/60Hz / 40mA |
| AC115 | 115VAC / ±10% 50/60Hz / 27mA |
| AC230 | 230VAC / ±10% 50/60Hz / 39mA |