The disadvantages of this starter include the following. The contactor can be controlled by using separate buttons like start and stop. Therfore, even when not required by the load and this is very dangerous for machine life.
Now if you have any question and have any suggestion then you can use the. Want to run at both control direct circuit. Enter your comment box causing transient current and do not decrease and it impossible for direct online starter is star. The DOL starter main terminals are connected between the mains supply terminals and motor terminals while the control circuit is energized with two terminals of three phase supply as illustrated in figure.
An easily removable cover made of steel sheet completely enclosed the overload relay and connection terminals to ensure protection from dust and weather.
The three main contacts M and the auxiliary contact A are closed. Please wash your hands and practise social distancing. Through a series of inductance or an autotransformer, and an auxiliary contact on the contactor is used, the relay trips the circuit.