525-128

Technical Characteristics

• Thread Class

  2a

• Thread Direction

  right-hand

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.225 inches nominal

• Transformer Winding Connection Type

  wye-open delta

• Body Width

  4.250 inches nominal

• Body Height

  6.000 inches nominal

• Inclosure Type

  fully inclosed

• Mounting Facility Quantity

  4

• Winding Tap Location

  center tap

• Reliability Indicator

  not established

• Center To Center Distance Between Mounting Facilities Parallel To Length

  4.812 inches nominal

• Frequency Rating

  400.0 hertz nominal

• Input-Output Phase Relationship

  three phase to single phase

• Body Length

  7.870 inches nominal

• Mounting Method

  threaded stud

• Winding Function And Quantity

  1 primary and 2 secondary

• Thread Quantity Per Inch

  20

• Nominal Thread Size

  0.250 inches

• Winding Operating Current

  500.0 milliamperes ac maximum

• Winding Operating Voltage

  199.00 ac volts nominal

• Winding Operating Voltage

  62.00 ac volts nominal

• Winding Operating Voltage

  87.00 ac volts nominal

• Thread Series Designator

  unc

• Terminal Type And Quantity

  6 turret and 3 solder stud