TT-247

Technical Characteristics

• Thread Class

  2a

• Frequency Rating

  60.0 hertz nominal

• Input-Output Phase Relationship

  single phase to single phase

• Body Length

  4.375 inches nominal

• Body Width

  3.062 inches nominal

• Thread Quantity Per Inch

  32

• Winding Tap Location

  center tap

• Winding Operating Current

  105.0 milliamperes ac maximum

• Winding Operating Voltage

  110.00 ac volts nominal and 120.00 ac volts nominal

• Winding Operating Voltage

  6.30 ac volts nominal

• Thread Direction

  right-hand

• Reliability Indicator

  not established

• Center To Center Distance Between Mounting Facilities Parallel To Length

  3.438 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.938 inches nominal

• Body Height

  3.750 inches nominal

• Inclosure Type

  fully inclosed

• Mounting Facility Quantity

  4

• Mounting Method

  threaded stud

• Winding Function And Quantity

  1 primary and 3 secondary

• Nominal Thread Size

  0.190 inches

• Winding Tap Location

  tap w/o center tap

• Winding Operating Current

  2.0 amperes ac maximum

• Winding Operating Current

  2.6 amperes ac maximum

• Winding Operating Voltage

  5.00 ac volts nominal

• Winding Operating Voltage

  630.00 ac volts nominal

• Thread Series Designator

  unf

• Terminal Type And Quantity

  11 tab,solder lug