Product Manual

-49-
Part Winding Starters
• Part winding starters are sometimes used on motors wound for dual
voltage operation such as a 230/460 V motor. These motors have
two sets of winding connected in parallel for low voltage, and in
series for high voltage operation.
• When used on the lower voltage, they can be started by first energizing
only one winding, limiting starting current and torque to approxi-
mately one half of the full voltage values.
• The second winding is then connected normally once the motor
nears operating speed.