77C721837P1

Technical Characteristics

• Mounting Facility Quantity

  4 single group

• Winding Shielding Method

  internal shield brought out to terminal single component and internal shield grounded to terminal single component

• Body Length

  8.000 inches maximum

• Maximum Operating Temp

  170.0 deg celsius

• Winding Operating Voltage

  14.50 ac volts nominal single component 2nd secondary

• Mounting Method

  slot single group

• Body Height

  6.750 inches maximum

• 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

• Terminal Type And Quantity

  17 tab, solder lug

• Mounting Slot Width

  0.260 inches minimum single group and 0.300 inches maximum single group

• Winding Operating Current

  20.4 amperes ac maximum single component 1st secondary

• Body Width

  5.880 inches maximum

• Reliability Indicator

  not established

• Cubic Measure (Non-Core)

  317.5 cubic inches

• Winding Operating Voltage

  14.50 ac volts nominal single component 1st secondary

• Center To Center Distance Between Mounting Facilities Parallel To Length

  4.969 inches minimum single mounting facility single center group and 5.031 inches maximum single mounting facility single center group

• Winding Operating Voltage

  115.00 ac volts nominal single component single primary

• Frequency Rating

  60.0 hertz nominal single component

• Winding Operating Current

  9.8 amperes ac maximum single component 3rd secondary

• Winding Operating Voltage

  20.80 ac volts nominal single component 3rd secondary

• Winding Operating Current

  9.8 amperes ac maximum single component 4th secondary

• Winding Operating Current

  20.4 amperes ac maximum single component 2nd secondary

• Center To Center Distance Between Mounting Facilities Parallel To Width

  4.563 inches minimum single mounting facility single center group and 4.687 inches maximum single mounting facility single center group

• Transformer Winding Connection Type

  delta-wye and delta-delta

• Winding Operating Voltage

  20.80 ac volts nominal single component 4th secondary