BX-1278

Technical Characteristics

• Thread Class

  2a single group

• Thread Direction

  right-hand single group

• Dummy Terminal Quantity

  1

• Center To Center Distance Between Mounting Facilities Parallel To Width

  1.875 inches nominal single mounting facility single center group

• Frequency Rating

  60.0 hertz nominal single component

• Body Height

  3.750 inches nominal

• Inclosure Type

  hermetically sealed

• Mounting Method

  threaded stud single group

• Winding Function And Quantity

  1 primary and 3 secondary single component

• Nominal Thread Size

  0.190 inches single group

• Terminal Type And Quantity

  12 solder stud

• Reliability Indicator

  not established

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.188 inches nominal single mounting facility single center group

• Input-Output Phase Relationship

  single phase to single phase single component

• Body Length

  3.063 inches nominal

• Body Width

  2.625 inches nominal

• Mounting Facility Quantity

  4 single group

• Thread Quantity Per Inch

  32 single group

• Winding Tap Location

  multiple taps w/o center tap single component 3rd secondary

• Winding Tap Location

  multiple taps w/o center tap single component single primary

• Winding Operating Current

  250.0 milliamperes dc maximum single component 2nd secondary

• Winding Operating Current

  3.0 amperes ac maximum single component 1st secondary

• ~1

  single component single primary

• Winding Operating Voltage

  103.50 ac volts nominal and 117.00 ac volts nominal and 295.00 ac volts nominal

• Winding Operating Voltage

  25.00 ac volts nominal single component 2nd secondary

• Winding Operating Voltage

  6.30 ac volts nominal single component 1st secondary

• Thread Series Designator

  unf single group