57A100A220

Technical Characteristics

• Winding Operating Voltage

  3.38 ac volts nominal and 10.70 ac volts nominal and 24.80 ac volts nominal and 31.87 ac volts nominal and 125.70 ac volts nominal and 129.37 ac volts nominal

• Thread Class

  2a

• Frequency Rating

  400.0 hertz nominal

• Input-Output Phase Relationship

  single phase to single phase

• Body Length

  2.750 inches nominal

• Body Width

  2.375 inches nominal

• Inclosure Type

  fully inclosed

• Mounting Facility Quantity

  4

• Nominal Thread Size

  0.138 inches

• Winding Operating Current

  4.5 milliamperes ac maximum

• Winding Operating Voltage

  1.80 ac kilovolts nominal

• Thread Direction

  right-hand

• Reliability Indicator

  not established

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.750 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.125 inches nominal

• Body Height

  3.812 inches nominal

• Mounting Method

  threaded stud

• Winding Function And Quantity

  1 primary and 1 secondary

• Thread Quantity Per Inch

  32

• Winding Tap Location

  multiple taps w/o center tap

• Thread Series Designator

  unc

• Terminal Type And Quantity

  9 standoff insulator