X-3557

Technical Characteristics

• Thread Class

  2a

• Center To Center Distance Between Mounting Facilities Parallel To Length

  2.984 inches minimum and 3.016 inches maximum

• Input-Output Phase Relationship

  single phase to single phase

• Body Length

  3.940 inches minimum and 4.000 inches maximum

• Nominal Thread Size

  0.138 inches

• Winding Power Rating

  2.5 volts-amperes

• Winding Operating Voltage

  750.00 ac volts nominal

• Terminal Type And Quantity

  10 wire hook

• Thread Direction

  right-hand

• Reliability Indicator

  not established

• Center To Center Distance Between Mounting Facilities Parallel To Width

  0.734 inches minimum and 0.766 inches maximum

• Frequency Rating

  60.0 hertz nominal

• Body Width

  1.290 inches minimum and 1.350 inches maximum

• Body Height

  1.450 inches minimum and 1.510 inches maximum

• Inclosure Type

  fully inclosed

• Mounting Facility Quantity

  4

• Mounting Method

  threaded stud

• Winding Function And Quantity

  1 primary and 1 secondary

• Cubic Measure

  8.15 cubic inches

• Winding Tap Location

  multiple taps w/center tap

• Winding Operating Current

  25.0 milliamperes ac nominal

• Winding Operating Voltage

  100.00 ac volts nominal

• Thread Series Designator

  unc