The acoustic, as the light signalling, is used to communicate messages to the operator. The panel warning lights are characterized by:
The 230 series panel buzzers include:
Audio signal device for panel mounting (ø 22 mm).
Pulse audio and visual signalling.
Sound frequency: +/- 3.500 Hz
Signal repetition frequency: +/- 1 Hz
A-weighted sound power detected at 1 meter: 78 dB
Protection degree: IP 20
Operating voltage: 24 V AC/DC, 115 V AC, 230 V AC
Current consumption: 24 V / 25 mA - 115 V / 15 mA - 230 V / 10mA
Dimension: (Ø x ledge) 30 mm x 15 mm