77C721219P001

Technical Characteristics

• Unpackaged Unit Weight

  23.000 pounds

• Thread Series Designator

  unc 2nd group

• Terminal Type And Quantity

  15 tab, solder lug

• Body Length

  6.380 inches maximum

• Body Width

  5.750 inches maximum

• Body Height

  4.800 inches maximum

• Mounting Facility Quantity

  4 all groupings

• Mounting Method

  slot 1st group

• Mounting Method

  threaded hole 2nd group

• Winding Function And Quantity

  1 primary single component and 4 secondary

• Winding Operating Current

  2.44 amperes ac nominal single component 4th secondary

• Winding Operating Current

  4.28 amperes ac nominal single component 2nd secondary

• Winding Operating Current

  8.76 amperes ac nominal single component 3rd secondary

• Winding Power Rating

  104.4 volts-amperes single component 2nd secondary

• Winding Power Rating

  184.2 volts-amperes single component 1st secondary

• Winding Power Rating

  315.2 volts-amperes single component 3rd secondary

• Winding Operating Voltage

  14.10 ac volts nominal single component 1st secondary

• Thread Class

  2b 2nd group

• Winding Operating Voltage

  14.10 ac volts nominal single component 2nd secondary

• Winding Operating Voltage

  20.80 ac volts nominal single component 3rd secondary

• Thread Direction

  right-hand 2nd group

• Center To Center Distance Between Mounting Facilities Parallel To Length

  3.000 inches nominal 2nd mounting facility 2nd center group

• Center To Center Distance Between Mounting Facilities Parallel To Width

  2.000 inches nominal 1st mounting facility 1st center group

• Input-Output Phase Relationship

  three phase to three phase single component

• Transformer Winding Connection Type

  delta-delta and delta-wye

• Winding Shielding Method

  internal shield grounded to inclosure and core single component

• Reliability Indicator

  not established

• Center To Center Distance Between Mounting Facilities Parallel To Length

  4.625 inches nominal 1st mounting facility 1st center group

• Center To Center Distance Between Mounting Facilities Parallel To Width

  4.062 inches nominal 2nd mounting facility 2nd center group

• Mounting Slot Width

  0.218 inches nominal 1st group

• Frequency Rating

  60.0 hertz nominal single component

• Maximum Transformer Power Rating

  691.6 volt-ampere single component

• Maximum Operating Temp

  170.0 deg celsius

• Inclosure Type

  fully inclosed

• Nominal Thread Size

  0.138 inches 2nd group

• Winding Operating Current

  7.55 amperes ac nominal single component 1st secondary

• Winding Power Rating

  87.8 volts-amperes single component 4th secondary

• Winding Operating Voltage

  20.80 ac volts nominal single component 4th secondary

• Winding Operating Voltage

  208.00 ac volts nominal single component single primary

• Cognizant Service

  usaf