Звуковые индикаторы и сигналы тревоги BUZZER OPERATES ACDC
The 31-810.005 is a Buzzer System with solder terminals, polyetherimide case and black plastic front cap. This buzzer system is suitable for use with EAO 31-series pushbutton switches. This is an electronic non-contacting buzzer with IC oscillator switching system. Volume variable with a 1MR potentiometer or corresponding fixed resistor. Depending on how terminals are connected, the buzzer can operate with a continuous tone a(-) b(+) or with intermittent tone a(+) b(-).