FIELD: control systems.
SUBSTANCE: invention relates to remote control of local arrows drives. Device of the multi-wire arrow control circuit with a contact-type autoswitch with an active stepped damping of the electric arc comprises a device of cascade structure. Device of cascade structure is mounted in common housing of mechanism of control and position control pointer and located in arrow electric drive. Device of cascade structure contains several contact groups assembled in series, by means of which control and position control by pointer is performed.
EFFECT: technical result is improved reliability of electric switch mechanism.
4 cl, 2 dwg
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