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type of potentiometer?

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batman

New Member
i came across a component that i cannot identify. it is in a vibrating table's motor control circuit. it looks like a potentiometer, with three terminals on the side, except it has 4 more terminals in the back! the ac line connects to it, along with the motor and an SCR. you turn it a little, and the device clicks on, and then it is in a variable area, similar to a dimmer switch. i am trying to get the shaker table to work, and i need to know about this knob.

thanks!
 

john1

Active Member
thats what it sounds like to me too.
A picture would probably confirm it.
 
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