1256D-3Y

Technical Characteristics

• Frequency Rating

  60.0 hertz nominal

• Transformer Winding Connection Type

  wye-wye

• Winding Tap Location

  multiple taps w/o center tap

• Winding Operating Current

  28.0 amperes ac minimum

• Input-Output Phase Relationship

  three phase to three phase

• Maximum Transformer Power Rating

  23.3 kilovolt-ampere

• Winding Function And Quantity

  1 primary and 1 secondary

• Winding Operating Voltage

  0.00 ac volts minimum and 560.00 ac volts maximum

• Winding Operating Voltage

  240.00 ac volts nominal or 480.00 ac volts nominal