128C497H01

Technical Characteristics

• Thread Quantity Per Inch

  28 single group

• Frequency Rating

  350.0 hertz minimum single component and 1.2 kilohertz maximum single component

• Winding Function And Quantity

  1 primary, fixed autotransformer type single component

• Body Width

  4.500 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Length

  3.750 inches nominal single mounting facility single center group

• Center To Center Distance Between Mounting Facilities Parallel To Width

  3.750 inches nominal single mounting facility single center group

• Winding Operating Current

  6.0 amperes nominal b and better drop siding single component single primary output and 7.8 amperes nominal b and better drop siding single component single primary output

• Mounting Method

  threaded hole single group

• Thread Class (Non-Core)

  2b single group

• Thread Direction (Non-Core)

  right-hand single group

• Inclosure Type

  partially inclosed, half shell

• Thread Series Designator

  unf single group

• Special Features

  unit has auxillary switch

• Winding Tap Location (Non-Core)

  tap w/o center tap single component single primary output

• Reliability Indicator

  not established

• Body Height

  2.687 inches nominal

• Mounting Facility Quantity

  4 single group

• Winding Operating Voltage

  120.00 ac pounds per hour wet single component single primary output and 140.00 ac pounds per hour wet single component single primary output

• Input-Output Phase Relationship

  single phase to single phase single component

• Terminal Type And Quantity

  4 tab, solder lug

• Body Length

  4.500 inches nominal

• Nominal Thread Size

  0.250 inches single group

• Winding Operating Voltage

  120.00 ac pounds per hour wet single component single primary input