WERMA Pulse Tone Buzzer, 80dB, Wall Mount - 109 Series - 109.010.75 This single-tone buzzer from WERMA sends out an audible warning signal to draw the attention of people in the vicinity. It sounds a pulse tone at a loud 80dB to alert you that something has gone wrong with a process or system or when an environmental change triggers it. The compact black unit comes with a straightforward terminal screw connector, which lets you connect up your wires just with a screwdriver. It's suitable for through-hole mounting in your industrial setup. Features & Benefits • Operating temperature range of -20°C to +50°C, allowing use in both harsh indoor and outdoor settings
• 52mm diameter makes the unit compact and suitable for installation in tight spaces
• Supply voltage is 24V AC/DC for use in standard systems
• When correctly installed, the unit has an IP65 (ingress protection) rating, indicating it's protected from dust and water spray Applications • Smoke alarms
• Entry and exit alerts on fire doors How much current does a buzzer need? The current requirement of a buzzer depends on what type it is. For example, magnetic buzzers use more power and will consume between 30 to 100mA, while piezo buzzers consume less than 30mA.