Magneto

Discussion in 'General Electronics Chat' started by PackratKing, Apr 27, 2009.

  1. PackratKing

    Thread Starter Well-Known Member

    Jul 13, 2008
    850
    215
    Anyone out there wanna help me chase a wiring diagram for an old telephone PBX magneto ???"
     
  2. Bernard

    AAC Fanatic!

    Aug 7, 2008
    4,176
    397
    You have a coil of wire rotating in a magnetic field, one end goes to a switch, thru the shaft, to a terminal. Other end goes to a slip-ring, to a contact or is just grounded thru bearing. Produces about 90V @ 20 Hz with a vigerous cranking. Our number was two long and one short.
     
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