FIELD: electrical engineering.
SUBSTANCE: invention relates to an electric circuit breaker, in particular for electric machine. Electric switch for electric processing machine comprises a first switching device and a second switching device. First switching device is configured for reversible transition from a first switched state to a second state due to movement of a first mechanical signalling element. Second switching device is configured for reversible transition from a third switched state, in which electric switch acts as a pushbutton, to a fourth state, in which electric switch acts as a rocker switch due to movement of second electric or mechanical signalling element. Second switching device comprises a second actuating element interacting with second signalling element. Fourth switching state is allowing fixation of state of electric switch in which first signalling element can be fixed through second actuating element.
EFFECT: technical result is providing reliability of controlling process machine.
12 cl, 15 dwg
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