TT6257B

Technical Characteristics

• Input-Output Phase Relationship

  three phase to three phase single component

• Transformer Winding Connection Type

  wye-delta

• Body Length

  4.500 inches maximum

• Body Width

  4.120 inches maximum

• Body Height

  2.810 inches maximum

• Distance Between Mounting Facility Centers

  3.578 inches minimum single mounting facility single center group and 3.672 inches maximum

• Thread Quantity Per Inch

  32 single group

• Winding Operating Voltage

  200.00 ac volts nominal single component single primary and 208.00 ac volts nominal and 228.00 ac volts nominal

• Winding Operating Voltage

  43.00 ac volts nominal single component single secondary

• Thread Series Designator

  unf single group

• Thread Class

  2a single group

• Overall Height

  3.310 inches nominal

• Frequency Rating

  60.0 hertz nominal single component

• Winding Shielding Method

  internal shield grounded to inclosure and core and brought out to terminal single component

• Inclosure Type

  hermetically sealed

• Mounting Facility Quantity

  2 single group

• Mounting Method

  threaded stud single group

• Winding Function And Quantity

  1 primary single component and 1 secondary

• Nominal Thread Size

  0.190 inches single group

• Winding Tap Location

  multiple taps w/neutral tap single component single primary

• Winding Operating Current

  100.0 milliamperes ac maximum single component single secondary

• Terminal Type And Quantity

  14 tab, solder lug