DOL Starters are used to start the induction motor in the easiest and most affordable manner possible. With this kind of starter, a contractor, circuit breaker, and protective device link the motor's terminals to the power source. Additionally, it guards against phase imbalance, phase loss, and overheating. Therefore, having motor protection is crucial for it to work securely. DOL Starters are protected by this device from overloads and phase failure. When current surpasses its predetermined value, this relay is activated. They are very effective to use.