7057

Technical Characteristics

• Mounting Method

  threaded hole

• Thread Quantity Per Inch

  20

• Nominal Thread Size

  0.250 inches

• Winding Operating Voltage

  30.00 ac volts nominal

• Center To Center Distance Between Mounting Facilities Parallel To Width

  3.750 inches nominal

• Overall Height

  5.000 inches maximum

• Overall Width

  10.500 inches maximum

• Body Length

  11.500 inches maximum

• Body Height

  5.000 inches maximum

• Inclosure Type

  fully inclosed

• Winding Function And Quantity

  1 primary and 1 secondary

• Winding Operating Current

  15.0 amperes ac maximum

• Winding Operating Voltage

  300.00 ac volts nominal

• Thread Series Designator

  unc

• Terminal Type And Quantity

  7 threaded stud

• Thread Class

  2b

• Reliability Indicator

  not established

• Overall Length

  11.500 inches maximum

• Center To Center Distance Between Mounting Facilities Parallel To Length

  10.000 inches nominal

• Frequency Rating

  60.0 hertz nominal

• Input-Output Phase Relationship

  three phase to three phase

• Winding Shielding Method

  internal shield brought out to terminal

• Body Width

  9.000 inches maximum

• Mounting Facility Quantity

  8