The BiWire Ultra wall sounder and wall sounder VAD offers low current consumption and high sound output. The BiWire range has been designed to meet the European standards for EN54-3 for the sounder and EN54-23 for the beacon VAD. It is offered in two variants, sounder only or a combined unit of sounder VAD.
Ideal for high noise environments Suitable for open areas, as well as outdoor use Easy to maintain and service Supply voltage (BiWire Alarm) 25.5 to 35 Vdc Material ABS,FR, Plastic