KONE Elevator Button Sounder Board KM851970G01 / Arrival Bell Buzzer PCB Module The KONE KM851970G01 Elevator Button Sounder Board is a premium replacement PCB module designed specifically for KONE ...View More
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KONE Elevator Button Sounder Board KM851970G01 Arrival Bell Buzzer PCB Module with 24V DC and Plug-and-Play Installation