501B

Technical Characteristics

• Winding Operating Voltage

  120.00 ac pounds per hour dry single component single primary output and 140.00 ac pounds per hour with retaining chain single component single primary output

• Body Width

  4.813 inches nominal

• Body Height

  4.813 inches nominal

• Mounting Method

  threaded hole single group

• Thread Class (Non-Core)

  2b single group

• Terminal Type And Quantity

  3 tab, solder lug

• Thread Direction (Non-Core)

  right-hand single group

• Inclosure Type

  partially inclosed, half shell

• Body Length

  4.156 inches nominal

• Reliability Indicator

  not established

• Winding Operating Current

  3.5 milliamperes nominal b and better drop siding single component single primary output

• Input-Output Phase Relationship

  single phase to single phase single component

• Frequency Rating

  50.0 hertz nominal single component

• Winding Function And Quantity

  1 primary, variable autotransformer type single component

• Thread Series Designator

  unc single group

• Nominal Thread Size

  0.250 inches single group

• Mounting Facility Quantity

  8 single group

• Dummy Terminal Quantity (Non-Core)

  3

• Thread Quantity Per Inch

  20 single group

• Winding Operating Voltage

  120.00 ac pounds per hour wet single component single primary input