Direct Online Control Circuit Diagram. Direct online starter dol starter control diagram. A direct online starter consists of two buttons a green button for starting and a red for stopping purpose of the motor.
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The above mentioned two buttons stop and start or also called as red and green buttons are used to control the contacts. Dol starter control circuit diagram consist components like main power contactor start button stop push button and overload relay is connected in series this circuit is called control circuit of dol motor starte r. The direct on line starter actually consists of a contactor an mccb or circuit breaker and an overload relay for protection whenever a fault condition occurs.
Direct online starter dol starter control diagram.
Direct online starter dol control circuit diagram. All other control and power connections have to be made by the installer. The dol starter comprises an mccb or circuit breaker contactor and an overload relay for protection. Typical circuit diagram of star delta starter main circuit control circuit for push button control momentary command s0 off push button s1 on push button k1 line contactor k2 star contactor k3 delta contactor k4 star delta timer 7pu60 20 f2 overload relay f1 backup fuse f3 control circuit fuse s0 off push button s1 on push button s maintained command switch k1 main contactor f1 main circuit fuse f2 overload relay f3 control circuit fuse.
