81H250

Technical Characteristics

• Frequency Rating

  54.0 hertz minimum and 66.0 hertz maximum

• Input-Output Phase Relationship

  single phase to single phase

• Winding Shielding Method

  internal shield grounded to inclosure and core

• Body Height

  7.937 inches nominal

• Winding Function And Quantity

  1 primary and 2 secondary

• Winding Operating Current

  20.0 amperes ac maximum

• Terminal Type And Quantity

  4 standoff,threaded stud and 5 tab,solder lug

• Center To Center Distance Between Mounting Facilities Parallel To Length

  7.000 inches nominal

• Center To Center Distance Between Mounting Facilities Parallel To Width

  6.875 inches nominal

• Body Length

  11.750 inches nominal

• Body Width

  8.562 inches nominal

• Inclosure Type

  hermetically sealed

• Mounting Facility Quantity

  4

• Mounting Method

  threaded stud

• Winding Tap Location

  multiple taps w/o center tap

• Winding Operating Voltage

  115.00 ac volts nominal and 120.00 ac volts nominal and 126.00 ac volts nominal and 132.00 ac volts nominal

• Winding Operating Voltage

  16.00 ac volts nominal

• Special Features

  case metal material