ST1438

Technical Characteristics

• Mounting Facility Quantity

  4 single group

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.688 inches nominal single mounting facility single center group

• Winding Function And Quantity

  1 primary, fixed autotransformer type single component

• Overall Height

  6.687 inches maximum

• Thread Class (Non-Core)

  2a single group

• Winding Operating Current

  6.82 amperes nominal b and better drop siding single component single primary output

• Center To Center Distance Between Mounting Facilities Parallel To Length

  3.312 inches nominal single mounting facility single center group

• Mounting Method

  threaded stud single group

• Thread Quantity Per Inch

  32 single group

• Winding Operating Current

  7.88 amperes nominal b and better drop siding single component single primary input

• Body Width

  3.688 inches maximum

• Thread Direction (Non-Core)

  right-hand single group

• Thread Series Designator

  unf single group

• Body Height

  5.562 inches maximum

• Reliability Indicator

  not established

• Winding Tap Location (Non-Core)

  multiple taps w/o center tap single component single primary output

• Input-Output Phase Relationship

  single phase to single phase single component

• Frequency Rating

  60.0 hertz nominal single component

• Cubic Measure (Non-Core)

  111.3 cubic inches

• Body Length

  4.312 inches nominal

• Inclosure Type

  hermetically sealed

• Terminal Type And Quantity

  11 threaded stud

• Winding Power Rating

  908.0 volts-amperes single component single primary input

• Nominal Thread Size

  0.190 inches single group

• Thread Pitch Diameters (Non-Core)

  err-070