For mounting in a Ø 22-5 mm hole exactly like pushbuttons- Sound intensity: 80 dB- Continuous tone- pulsed or oscillating as selected- Connection by screw-on terminal block
855P-B30SE22: Voltage 6 to 28 V – Depth 31 mm
855P-B20SE22: Voltage 48 to 250 V – Depth 41 mm
