The 3-wire motor - Franklin Electric Europa

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The 3-wire motor - Franklin Electric Europa

Franklin Application/Installation Data Europe No. 4/2010Closing the subject of single phase motors, we would like to give some information about the3-wire motor.At the end of this Franklin AID you will find a wiring diagram of all three Franklin Electric singlephase motors.The 3-wire motorIn applications that require a high starting torque and where the power supply is fluctuating the 3-wiremotor is our solution. Due to its design the 3-wire motor needs a control box that switches off the startcapacitor from supply after start up.We differentiate between 2 modes:Capacitor Start /Induction Run or Capacitor Start/Capacitor RunAttached connection charts will show the difference:While in the first mode the start winding gets switched off from the power supply after start up,the start winding stays connected after start up in the second mode. Due to its permanent operation thiswinding is called auxiliary winding. In combination with the operating capacitor it generates a high torqueat the shaft end.


Wiring diagram of Franklin Electric Single Phase MotorsSeminars in 2010:Please check our website http://www.franklin-electric.de/de/training.aspand sign up.Upon request we offer specific seminars tailored to your needs.The Franklin Electric Service Team thanks for the good cooperationand wishes “Merry Christmas” and good success with Franklinproducts in 2011.

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