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I am trying to find out how to use a transformer to convert 1ph 208 no neutral to 1ph 240 with neutral.
 

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Bilge Rat
motors and controls.........
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Transformers are made to do just that.

Figure your load and size accordingly then get a unit with a 208 volt primary and a 120/240 volt secondary.

If for example, the load figures out to need a 5KVA unit, the Square D model would be 5S7F. It has a 208 primary and a 120/240 secondary.

Other manufacturers will have the same unit, I just happened to have my Square D book handy.

Square D has then from 1KVA up to 167KVA.
 

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Senior Member
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Wow, dudes. It's a transformer. 208 volt single phase primary, 240/120 secondary.

Micromind's response is spot on :thumbup:
 
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