Patent ID: 11936322
Assignee: SCHNEIDER ELECTRIC INDUSTRIES SAS
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  F  Y | IPC H

Claim 10:
11. The control unit for controlling at least one motor for operating a switching unit according to claim 8, wherein at least some of said control devices, circuits for preventing/allowing the operation of the motor, device for preventing the starting of the motor and device for inhibiting the operation of the motor are formed by signal-switching relays, and wherein one of the control devices of the fourth stage comprises an input for an end-of-travel sensor for the opening of the switching unit connected to a coil for controlling the opening of a first relay for preventing/allowing the operation of the motor in the direction of opening of the switching unit so as to stop the motor at the end of opening of said switching unit and an input for an end-of-travel sensor for the closing of the switching unit connected to a coil of a second relay for preventing/allowing the operation of the motor in the direction of closing of the switching unit so as to stop the motor at the end of closing of said switching unit.