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Rugged buzzer JA222 series


Protection level
Noise level

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