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FD60 Reduced Voltage - Autotransformer

The FD60 LMR controller utilizies an autotransformer that is inserted in the power supply to the motor to reduce the voltage at the motor terminals and to provide a smooth accelereation. 
The main contactor bypasses the autotransformer after a short acceleration time and applies full voltage to the motor terminals. 
Starting lie current is 47% of the Across-the-line starting inrush (approximately 280% of full load amperes).

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