OPERATOR FOR POWER SWITCHING DEVICE

摘要

PURPOSE: An operator for a power switching device is provided to separate and connect a line section of a power system to and from each other by separating or contacting a movable contact point and a fixed contact point from or with each other. CONSTITUTION: A locking hole and a groove are formed at plates(1). A rotating shaft(6) is rotatively connected between connecting arms. A motor(2) is installed at the plate(1). A pair of link plates(10,10') are hinged to the rotating shaft(6). A latch is installed between the link plates(10,10'). A spring lever rotates the latch. A toggle lever(17) is rotatively hinged to the link plates(10,10'). An input spring(18) is connected and installed between the rotating shaft(6) and the plate(1). An open spring(19) is connected and installed between the rotating shaft(6) and the toggle lever(17). A trip lever assembly(21) is installed at the plate(1) and rotates the latch. A trip solenoid(20) is installed at one side of the plate(1).