Use Star Triangle to start contactor's order and process method
Sorry bo! Because the triangle can not play out, can only use "?" Instead of friends) coil power,
Press the stop button SB2, the coil KM is out of power, the main contact and the self-locking contact are disconnected, the motor stops.
Coil power, its dynamic contact contact is broken, cut off the time relay coil circuit, so that time relay to stop working.
Coil power, the motor to do triangular connection, and in the pressure operation, to achieve the star - triangular automatic switching buck starting. KM
