Single Phase 480 To 120 240 Transformer Wiring Diagram

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The wiring diagram is number 10. Single phase 480 to 120 240 transformer wiring diagram. If you are going to run a 230 primary you'd connect h1 to h2 and h3 to h4. About 240 3 wiring transformer phase 480 diagram to the voltage between any phase wire and neutral is 230 volts and between any two phase wire is 400 volts.

The owner has an existing 480v transformer that gets the voltage down to 120v. This xfmr is being relocated, specs on it are: 15kva, 60hz, single phase, primary volts 432/456/480, secondary volts 120/240. If i read it correctly there are two wires coming in, they will connect to. 240/480 volt primary single phase isolation transformers. Temco single phase isolation transformers are 50/60 hz rated and come in a nema 3r enclosure for indoor use as well as outdoor protection against rain and sleet. Our transformers are built to last, guaranteed. That's why we back these with a decade long warranty. Correct, to run 480 primary, you connect h2 and h3.