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A schematic diagram of a Dol Starter is one of the most essential pieces of equipment for any electrical system. It is an essential component of any circuit, providing automatic starting and stopping of motors. The Dol Starter is a combination of a contactor, thermal overload relay and a magnetic switch. The basic function of the Dol Starter is to provide automatic start and stop control of motors in order to reduce the current draw from the electrical system. This helps protect the electrical system from over-currents that may occur due to excessive power demand from the motor.
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The most important part of the Dol Starter is its contactor. The contactor is responsible for controlling power to the motor. When the contactor is energized, it creates an electric arc, allowing power to flow through to the motor. The contactor also acts as an overload protector and will trip off when the current draw exceeds the rated capacity of the motor. The thermal overload relay also plays an important role in providing additional protection. It monitors the temperature of the motor, and if it gets too hot, it will cut off the power supply to protect the motor from thermal damage.
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The magnetic switch is the other main component of the Dol Starter. It is responsible for turning the power on and off to the motor. The magnetic switch is activated when the contactor is energized, and it allows the power to flow through to the motor. The Dol Starter therefore provides a very effective way of controlling and protecting motors from over-currents. Its combination of components gives it the ability to provide reliable and safe start and stop control for any electrical system.
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