Eaton EF5021BWSB BiWire Ultra Base Sounder And VAD BeaconInnovate Electrical Supplies Ltd » Products » Security & Fire Detection » Eaton Fire Alarm Panels And Devices » Eaton EF5021BWSB BiWire Ultra Base Sounder And VAD Beacon Part No: EF5021BWSBThese bi-wire sounder bases and VAD beacons can be used as a stand alone device, or with a detector.Specification:Supply Voltage (Alarm): 25.5 - 35VdcSupply Voltage: (Standby): 18 - 25.5VdcDimensions: 115 x 44mm Quantity Product in stockPrice: £52.32 Inc VAT: £62.78 Updating cart... Updating...