Can You Convert 3 Phase 208V to Single Phase for a Heat Wheel?

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SUMMARY

This discussion addresses the conversion of a 3-phase 208V power source to a single-phase supply for a heat wheel. The consensus is that to connect the heat wheel, one leg of the 3-phase should be connected to the hot terminal, the ground to the ground terminal, and the other leg should not be connected to neutral as it would not provide the correct voltage. Instead, the heat wheel requires a line-to-line connection to achieve the necessary 208V, as the line-to-neutral voltage is only 120V. Users are advised to consult an electrical expert for proper installation.

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richardv24
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Hey guys thanks in advance for any help,

I have a 3 phase 208 volt power source and I have something (heat wheel) that runs on 208 single phase. The heat wheel has ports labeled H (hot) N(neutral) G (gnd). I believe that if i take two legs of the 208 v 3ph, It should now be a single phase. However, one leg would go to hot, gnd would be gnd, does the other leg (which is hot as well), go to neutral?

Thanks again
 
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You hook the hot to one of the phases, neutral goes to neutral and ground goes to ground. Your 3 phase should have 3 hots and a neutral if it doesn't just hook the neutral to one of the hots on your 3-phase. The problem with that is that you won't get 208 volts.

Read this: http://en.wikipedia.org/wiki/Single-phase_electric_power
 
Last edited:
208 Volt is an unusual voltage for something to be designed for.
Are you sure it's 208 Volt.
The line to neutral voltage of 208 volt is only 120 volt.
If your device is designed for 208 volt, then it should be connected line to line.

This is not my area of expertise, so you probably should get help from someone who is an expert in this area.
 

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