AUER signaling devices M28 installation buzzer pulse tone, BU2, Ø 28.5mm
Highlights & Details
Built-in buzzer with a wide voltage range
90 dB sound pressure for universal use
Sound pressure can be continuously adjusted using a rotating window (up to approx. 10dB)
Key: pulse tone
Installation dimension 28.5mm (M28)
 
Top price/performance: The loud standard installation buzzer for installation in drill holes with a diameter of 28.5 mm impresses with its large voltage range. The volume of the pulse tone of up to 90 dB is continuously regulated via the rotating window. When the rotating window is closed, the buzzer is approx. 10 dB quieter.
 
Technical data:
Series: BU
Operating voltage: 24V DC
Signal type: Pulse tone
Protection class: IP54
Housing color: Black
Type: EXCEPT
Noise generation (max.): 90dB
Sound frequency: 3000Hz
Max. temperature: 70°C
Min. temperature: -30°C
Product Type: Signal buzzer