PEI 7781

Technical Characteristics

• Winding Operating Current

  180.0 milliamperes ac maximum single component 4th secondary

• Transformer Winding Connection Type

  wye-wye

• Mounting Facility Quantity

  12 single group

• Terminal Type And Quantity

  15 turret

• Body Length

  7.500 inches nominal

• Maximum Operating Temp

  110.0 deg celsius

• Winding Operating Current

  3.3 amperes ac maximum single component 3rd secondary

• Winding Tap Location (Non-Core)

  err-070

• Mounting Method

  core single group and threaded hole single group

• Frequency Rating

  400.0 hertz nominal single component

• Thread Class (Non-Core)

  err-070

• Winding Operating Voltage

  3.80 ac kilovolts nominal single component 3rd secondary

• Winding Operating Current

  183.0 milliamperes ac maximum single component 1st secondary

• Body Height

  6.250 inches nominal

• Nominal Thread Size

  0.190 inches single group

• Winding Operating Voltage

  870.00 ac volts nominal single component 4th secondary

• Winding Operating Current

  3.9 amperes ac maximum single component 2nd secondary

• Winding Operating Voltage

  1.20 ac kilovolts nominal single component 2nd secondary

• Thread Series Designator

  unf single group

• Inclosure Type

  fully inclosed

• Input-Output Phase Relationship

  three phase to three phase single component

• Winding Function And Quantity

  1 primary single component and 4 secondary single component

• Body Width

  4.260 inches nominal

• Winding Operating Voltage

  188.00 ac volts minimum single component single primary and 208.00 ac volts maximum single component single primary

• Winding Operating Voltage

  3.20 ac kilovolts nominal single component 1st secondary

• Reliability Indicator

  not established