How to establish motors voltage?

Discussion in 'The Projects Forum' started by JDR04, Jan 15, 2013.

  1. JDR04

    Thread Starter Active Member

    May 5, 2011
    Hi Folks, I pulled out a small motor from an ancient fax machine. Samsung 345 TP - I think it was.

    Is there a way of me establishing what the correct voltage is for it?

    Many Thanks - JDR04
  2. MrChips


    Oct 2, 2009
    Is it a DC motor with two connections?
    If so, use a variable power supply and starting at 0V, increase the voltage slowly until the motor starts turning. The final operating voltage will most likely be about twice that voltage, ball park. You can try to stall the motor by gripping the shaft with your fingers to get an idea of how much extra voltage you would need to prevent stalling.
    JDR04 likes this.