240 Single Phase Transformer Wiring Diagram. The transformer actually steps down the voltage to 240 volts so the two legs are a complete 240 volt circuit. Three Phase Transformer Connections Phasor Diagrams Transformers.
Three Phase Transformer Connections Phasor Diagrams Transformers. Circuit breakers or fuses are put on the phase conductors only NEVER the neutral. Care must be taken to ensure the neutral current does not exceed ½ of the transformers kVA rating for single phase 3-wire 240120 volt loads.
Voltage between high leg delta hot wire and Neutral 208V Single Phase.
Voltage between hot wire excluding high leg delta and Neutral 120V Single Phase. None X4 X1 H4 H3 H2 H1 X2 X3 ConnectConnect Primary Primary Inter- Secondary Volts Lines To Connect Lines To 240 H1-H4 H2 to H3 120 H1-H3 H2-H4 Secondary Volts 240 X2 to X3 X1-X4 120240 X2 to X3 X1-X2-X4 120 X1 to X3 X1-X4 X2 to X4 PRIMARY. 120 240v single phase transformer wiring diagram. Variety of 240v motor wiring diagram single phase.