122-1-21

Technical Characteristics

• Thread Class

  2a

• Input-Output Phase Relationship

  single phase to single phase

• Body Width

  3.375 inches nominal

• Maximum Operating Temp

  90.0 deg celsius

• Inclosure Type

  hermetically sealed

• Mounting Method

  threaded stud

• Winding Function And Quantity

  1 primary and 2 secondary

• Mounting Facility Quantity

  4

• Body Height

  5.250 inches nominal

• Body Length

  3.938 inches nominal

• Winding Shielding Method

  internal shield grounded to core

• Frequency Rating

  57.0 hertz minimum and 63.0 hertz maximum

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.438 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.995 inches minimum and 3.005 inches maximum

• Reliability Indicator

  not established

• Thread Direction

  right-hand

• Nominal Thread Size

  0.190 inches

• Winding Operating Current

  1.6 amperes ac maximum

• Winding Operating Current

  2.0 amperes ac maximum

• Winding Operating Voltage

  115.00 ac volts nominal

• Thread Series Designator

  unf

• Terminal Type And Quantity

  6 turret