A1S mini exterior urban warning buzzer for bus and coach


Manufactured by SESALY in conformity to the EMC R10 03 (electromagnetic compatibility) Compliant to ECE R118 (fire and smoke standard) regulation, this exterior micro alarms is 12/24 Vdc, intermittent, 100 to 87dB, waterproof and shock resistant for bus and coach.

Download Technical Documentation

Technical datas

Voltage12 Vdc or 24 Vdc
FunctionsGong’’ or ‘‘bell’’ sound (just one sound to be chosen, non-reprogrammable) + back up alarm function, day/night function
Sounds< 2 seconds / Sound priority to the release: back up alarm priority
CompositionPCB with resin
FixationWith angle bracket
SealingIP 56 waterproof loudspeaker
Consumption12 Vdc - 2 A / 24 Vdc - 1.2 A
dB level100 +/- 10 db*

*Sound power may vary from 80 dB to 110 dB at 1 meter