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To size the overloads of a starter, first determine the motor's full-load current (FLC) based on its rated horsepower and voltage. The overload protection should typically be set to 125% of the FLC for standard motors, which accounts for startup inrush currents while protecting against sustained overloads. Additionally, consider the motor's service factor and application specifics, such as frequent starts or continuous operation, which may necessitate adjustments to the overload settings. Always refer to manufacturer guidelines and local electrical codes for precise requirements.

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1mo ago

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