B12129B

Technical Characteristics

• Thread Series Designator

  unc single group

• Unpackaged Unit Weight

  1.500 pounds

• Winding Operating Voltage

  120.00 ac volts nominal single component single primary

• Nominal Thread Size

  0.164 inches single group

• Thread Quantity Per Inch

  32 single group

• Winding Function And Quantity

  1 primary and 2 secondary single component

• Mounting Facility Quantity

  4 single group

• Body Height

  3.875 inches maximum

• Body Length

  3.250 inches maximum

• Thread Class

  2b single group

• Terminal Type And Quantity

  10 wire lead

• Winding Operating Voltage

  60.00 ac volts nominal single component 2nd secondary

• Winding Operating Voltage

  100.00 ac volts nominal single component 1st secondary

• Winding Operating Current

  5.0 amperes ac maximum single component 1st secondary

• Winding Operating Current

  3.0 amperes ac maximum single component 2nd secondary

• Winding Tap Location

  center tap single component single primary

• Winding Tap Location

  center tap single component all secondary

• Mounting Method

  threaded hole single group

• Inclosure Type

  fully inclosed

• Maximum Operating Temp

  105.0 deg celsius

• Body Width

  2.750 inches maximum

• Winding Shielding Method

  internal shield brought out to terminal single component

• Input-Output Phase Relationship

  single phase to single phase single component

• Frequency Rating

  60.0 hertz nominal single component

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.500 inches nominal single mounting facility single center group

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.875 inches nominal single mounting facility single center group

• Reliability Indicator

  not established

• Thread Direction

  right-hand single group