Alarm Bell 6" 110dB Sound Fire Signal System

6 Inch 24VDC fire Alarm Siren Bell
The bell remains the most commonly used alarm for fire evacuation system, for wall applications, indoors. They are designed to be used in 24 volt DC systems.
Specifications
Voltage ranges: 20vdc to 28vdc (Nonpolarity)
Power and current consumption: 1W, 38ma@24vdc(maximum)
Number of standard: EN54-3
Sound level：80dB（A）@1M (minimum)
Service Use: Fire alarm, general signaling, burglar alarm
Environment type: Type A (indoor)
Input terminal Wire Gauge: 0.28 mm2 to 1.5 mm2
Operating Temp.: -10℃ to +55℃
Operating Humidity Range: 10% to 93% Relative Humidity ( Non-condensing)
Material of cover: Aluminum
Dimension: 150mm×50mm（D*H) (Without bracket)
Weight: Net Weight 342g, Gross Weight 395g