Wednesday 22 June 2016

3ph Starter/1ph Motor


Line Voltage Control three phase (3ph) motor starter controlling a single phase motor (rev 08 Aug 2006) Some 3 phase Magnetic Motor Starters require current to be seen across each of the three overloads. This may be accomplished by directing the output of second circuit back into the input of the third (previously unused) circuit and feeding the motor off of the output of the third circuit (rather than the second). Wiring then becomes: Line 1 → L1 → T1 → Motor 1 (L1-hot 240v or neutral 120v) Line 2 → L2 → T2 → L3 → T3 → Motor 2 (L2-hot 120v or 240v)

Manual Starter? Merely ignore the control wiring in RED

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