Schaltbau JA224B – Multi-tone buzzer for up to 9 different warning tones

The JA224B multi-tone buzzer from Schaltbau is SSAS2-certified and can emit up to 9 warning tones to ensure the safety of cross-border rail traffic.

Multi-tone buzzer JA224B

Signalling of up to 9 different warning tones

Multisystem locomotives are now used for cross-border services throughout Europe.

One problem of their interoperability is the integration of different country specific train protection systems with their respective warning tones. It means that the driver’s cab of a multisystem loco must be equipped with up to 9 different buzzers for cross-border service..

The solution is an all-in-one device: the Schaltbau buzzer JA224B .

Features

One device replacing up to 9 different buzzers
All inputs optically isolated against each other and against supply voltage
Two modes of operation:
- All 9 tones prioritized
- Combination: 3 tones prioritized, 6 tones mixed
16 volume settings
Download of customized tones from memory card
Test output (all 9 tones, volume-reduced)

Stock items

JA224B	Electronic buzzers for 9 tones/voices max.
JA224B-24	Version SSAS2 U _n = 24 V DC
JA224B-36	Version SSAS2 U _n = 36 V DC
JA224B-24-MW	same as above with mounting brackets
JA224B-36-MW	same as above with mounting brackets

Specifications

Multi-tone buzzer JA224B

Sound level, distance 1m	80 … 100 db(A)
Pitch	9 different tones
Nominal voltage	24 V DC, 36 V DC, (110 V DC upon request)
Nominal current	500 mA @ 24 V DC
Ingress protection rating, IEC 60529	IP20
Temperature range	-25 °C … +60 °C
Standards	EN 50121-3-2, EN 50128, EN 50155