TE7557

Technical Characteristics

• Thread Class (Non-Core)

  err-070

• Winding Operating Voltage

  1.45 ac kilovolts nominal single component 1st secondary

• Input-Output Phase Relationship

  single phase to single phase single component

• Frequency Rating

  60.0 hertz nominal single component

• Winding Operating Voltage

  2.90 ac kilovolts nominal single component 2nd secondary

• Inclosure Type

  hermetically sealed

• Thread Series Designator

  unc single group

• Nominal Thread Size

  0.250 inches single group

• Mounting Facility Quantity

  8 single group

• Thread Quantity Per Inch

  20 single group

• Thread Direction (Non-Core)

  err-070

• Center To Center Distance Between Mounting Facilities Parallel To Width

  3.000 inches nominal single mounting facility single center group

• Terminal Type And Quantity

  4 standoff, threaded stud and 3 tab, solder lug

• Winding Shielding Method

  internal shield grounded to inclosure and core single component

• Body Height

  4.250 inches nominal

• Winding Operating Current

  10.0 milliamperes ac maximum single component all secondary

• Center To Center Distance Between Mounting Facilities Parallel To Length

  3.750 inches nominal single mounting facility single center group

• Body Width

  4.250 inches nominal

• Winding Operating Voltage

  115.00 ac volts nominal single component single primary and 120.00 ac volts nominal single component single primary

• Mounting Method

  threaded hole single group

• Winding Function And Quantity

  1 primary single component and 2 secondary single component

• Reliability Indicator

  not established

• Body Length

  7.000 inches nominal