1/1 Signallers Alpa SZOA Device discontinued Product code: PW-118-A The Alpa SZOA Warning Beacon with Sounder is a device designed to indicated alarms and capable of collaborating with any master control unit manufactured by Atest Gaz. See full description Product description The Alpa SZOA Warning Beacon with Sounder is a device designed to indicated alarms and capable of collaborating with any master control unit manufactured by Atest Gaz. The unit is insensitive to harsh ambient conditions, which allows installation of it both indoors and outdoors. The device can be operated with gas detection / safety systems with the power voltage of both 12 V and 24 V with control signals transmitted via networks with either common positive (+) or negative (-) lines. The Alpa SZOA was developed as an upgrade of the TSZ-4D appliance manufactured by Telkom Tellmor. Related products Control Unit ModulesAlpa MOD LED1Control UnitsEcoAlpaControl Unit ModulesTeta MOD Control 1Control UnitsEcoAlpa5