Drehzahlwächter
automatic controller of revolutions
emergency governor
overspeed governor
overspeed monitor
overspeed relay
overspeed trip device
overspeed trip governor
overspeed trip
rotation speed monitor
rpm monitor
speed controller
speed monitor
speed sensor
tacho switch
tacho-switch
tachometric relay
underspeed monitor
zero speed relay
zero-speed switch
Dostopnost
Dostopnost