APM-TEC Diameter (mm) Height (mm) Voltage (VAC) Operating voltage (VAC) Resonance Frequency (Hz) *Minimum Sound Pressure Level  (dBA) Tone Housing material Termination
APM-PB42220W 42 18 220 Vac 50 – 250 Vac 2,800 ± 500 98dB at 30cm Continuous ABS WIRE