B20021

Technical Characteristics

• Thread Class

  2a

• Winding Shielding Method

  internal shield grounded to inclosure

• Body Width

  3.250 inches nominal

• Inclosure Type

  open

• Mounting Facility Quantity

  4

• Mounting Method

  threaded stud

• Winding Function And Quantity

  2 primary and 1 secondary

• Cubic Measure

  43.9 cubic inches

• Thread Quantity Per Inch

  32

• Nominal Thread Size

  0.164 inches

• Winding Tap Location

  multiple taps w/o center tap

• Terminal Type And Quantity

  9 tab,solder lug

• Thread Series Designator

  unc

• Body Height

  3.374 inches nominal

• Body Length

  3.875 inches nominal

• Input-Output Phase Relationship

  single phase to single phase

• Frequency Rating

  50.0 hertz minimum and 60.0 hertz maximum

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.500 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Length

  3.125 inches nominal