The Pfannenberg P 22 DBC panel mount buzzer is a versatile and efficient alerting device suitable for various applications within the pushbuttons and signalling category. It operates effectively within a wide voltage range of 5-30 Volt DC, ensuring adaptability to different power supplies with a rated voltage of 30 Volt DC. The current consumption is minimal, at just 2 mA when used at 5 V and increases to 20 mA at the full rated voltage of 30 V. Designed for easy installation, this buzzer requires a hole diameter of 28.6 mm for mounting. Once in operation, the P 22 DBC emits a robust sound pressure level of 91 dB(A) at its rated voltage, making it loud enough to be heard in various industrial environments. Users can select between continuous or pulsating tones to suit their specific signalling needs. This product's reliability and performance make it an excellent choice for engineers looking for an audible notification solution from a trusted brand like Pfannenberg.