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Help wiring my motor
- This topic has 3 replies, 3 voices, and was last updated 2 years ago by
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I have a split phase motor 1/3hp I got off amazon. I didn’t realize it was a split phase until I tried to google how to wire it. I need help can someone explain in simple terms what I have and how to make it work. I also figure it’ll move to fast for my extruder so any idea on how to slow it down. Also what is the green wire that’s screwed to it.
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Hi @mvenson ,
Have you tried searching the forum for motor wiring ?
Lot of topics out there that might help, like:
The big ELECTRONICS topic
(Almost) Definitive guide on Motors (WIP)
Will it Shred??
Hi @mvenson
First off, the green with yellow stripe wire is a safety earth connection, it should be earthed.
In a split phase motor you have two coils, these are between connections 1-4 and 2-5. It looks like 1-4 is the main winding and 2-5 the start winding (there should be a capacitor in series with this winding, may be hidden inside the case).
Note that I’m not familiar with US wiring, but it looks like you should connect what I believe is called the ‘hot’ wire to pin 1 and the neutral to pin 4. Then if you also connect 2 to 1 and 5 to 4 the motor will spin in one direction, 5 to 1 and 2 to 4 it will spin in the other direction. (The connections are left permanently in place).
BE VERY CAREFUL WITH LINE POWER! Note the warning on the motor and insulate/cover the terminals so you can’t touch them.
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