1555B

Technical Characteristics

• Terminal Type And Quantity

  10 tab, solder lug

• Overall Height

  2.453 inches maximum

• Frequency Rating

  400.0 hertz minimum and 1.6 kilohertz maximum single component

• Input-Output Phase Relationship

  single phase to single phase single component

• Winding Shielding Method

  internal shield grounded to inclosure single component

• Body Height

  2.125 inches maximum

• Thread Quantity Per Inch

  32 single group

• Winding Operating Current

  4.75 amperes ac maximum single component 3rd secondary

• Winding Operating Current

  600.0 milliamperes ac maximum single component 1st secondary

• Winding Operating Voltage

  115.00 ac volts nominal single component single primary

• Winding Operating Voltage

  6.40 ac volts nominal single component 2nd secondary

• Winding Operating Voltage

  6.40 ac volts nominal single component 3rd secondary

• Thread Series Designator

  unc single group

• Thread Class

  2a single group

• Thread Direction

  right-hand single group

• Reliability Indicator

  not established

• Overall Length

  2.062 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Length

  1.625 inches nominal single mounting facility single center group

• Center To Center Distance Between Mounting Facilities Parallel To Width

  0.875 inches nominal single mounting facility single center group

• Overall Width

  1.812 inches nominal

• Maximum Operating Temp

  170.0 deg celsius

• Inclosure Type

  fully inclosed

• Mounting Facility Quantity

  4 single group

• Mounting Method

  threaded stud single group

• Winding Function And Quantity

  1 primary and 4 secondary single component

• Nominal Thread Size

  0.138 inches single group

• Winding Operating Current

  40.0 milliamperes ac maximum single component 4th secondary

• Winding Operating Current

  650.0 milliamperes ac maximum single component 2nd secondary

• Winding Operating Voltage

  320.00 ac volts nominal single component 4th secondary

• Winding Operating Voltage

  6.40 ac volts nominal single component 1st secondary