86 dB, 94 dB, 104 dB, 110 dB
Electronic buzzer with dynamic speaker for automatic train protection systems
The electronic buzzer is a warning device designed for use in rail vehicles. The rugged device has a dynamic speaker. There are four settings for volume and three settings for sound frequency.
- Signalling for intermittent automatic train-running control and dead-man equipment
- Wide range of operating voltages: 16.8 … 150 V DC
- 4 sound levels selectable
- 3 sound frequencies selectable