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Home --> Fire Alarm Systems
base sounder
  • General
  • Feature
  • Specification
The B501BH sounder base is used with System Sensor 200 and 500 Series sensor heads. Refer to the appropriate manual for more information on sensors.
Base Diameter: 6.0 inches (15.2 cm) Base Height (less sensor): 2.3 inches (5.9 cm) Weight: 0.4 lb. (181 gm) Operating Temperature Range: 32° to 120°F (0° to 49°C) Operating Humidity Range: 10% to 93% Relative Humidity Electrical Ratings External Supply Voltage: 17 to 32 VDC Standby Current: 1.0 mA maximum Alarm Current: 15 mA maximum Maximum Ripple Voltage: 10% of supply voltage Start-up Capacitance: 200 μF Communication/Initiating Loop Supply Current Draw from Remote Output of Sensor to turn on Horn: 700 μA maximum Sound Output: Greater than 90 dBA measured in anechoic room at 10 feet, 24 volts. 85 dBA minimum measured in UL reverberant room.