This range of bells has been specially designed for applications in schools, offices, workshops, etc.
- Maximum sound level : 100 dB for 56-012 and 56-024 - 91-94dB for 56-230
- Frequency : 300 to 12 kHz (sound level measured in free field conditions).
- Power supply 56-012 12V AC
- Power supply 56-024 24V AC
- Power supply 56-230: 230V AC