Optimus

 
STV
 
Stator phase V = common
EYAX2:3 - EX1102 low speed rotor control single tube
EYAX2:3 - EWGK11:3 - EWGK12:3=EWGK11:4=EWGK12:4 low speed two tubes
EY100X47:1 - EX1102 high speed rotor control versions 4512 104 33791/2 or 71401..6 single tube
EY100X47:1 - EWGK11:3 - EWGK12:3=EWGK11:4=EWGK12:4 high speed rotor control
versions 4512 104 33791/2 or 71401..6 two tubes
EY100X52 - EX1102 high speed rotor control version 4512 104 71421/61 single tube
EY100X52 -- EWGK11:3 - EWGK12:3=EWGK11:4=EWGK12:4 high speed rotor control
version 4512 104 71421/61 two tubes