78588
Coils and Transformers
TRANSFORMER,POWER
78588
TRANSFORMER,POWER
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Technical Characteristics
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Center To Center Distance Between Mounting Facilities Parallel To Length
6.453 inches minimum single mounting facility single center group and 6.547 inches maximum
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Frequency Rating
60.0 hertz nominal single component
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Input-Output Phase Relationship
three phase to three phase single component
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Transformer Winding Connection Type
open delta-wye
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Winding Shielding Method
internal shield grounded to inclosure and core and brought out to terminal single component
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Body Height
5.500 inches maximum
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Mounting Facility Quantity
4 single group
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Thread Quantity Per Inch
20 single group
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Winding Operating Voltage
1.381 ac kilovolts nominal single component single secondary and 1.535 ac kilovolts nominal and 1.688 ac kilovolts nominal
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Winding Operating Voltage
208.00 ac volts nominal single component all primary
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Terminal Type And Quantity
28 standoff, solder lug
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Overall Length
7.500 inches maximum
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Thread Series Designator
unc single group
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Special Features
three auxiliary windings included,provided w/taps inthe form of a buck-boost winding such that it will buck or boost theoutput by 2,6 or 10 pct
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Winding Operating Current
163.0 milliamperes dc maximum single component single secondary
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Winding Tap Location
multiple taps w/o center tap single component single secondary
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Nominal Thread Size
0.250 inches single group
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Winding Function And Quantity
3 primary single component and 1 secondary
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Mounting Method
threaded stud single group
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Inclosure Type
hermetically sealed
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Overall Width
5.750 inches maximum
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Overall Height
6.380 inches maximum
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Center To Center Distance Between Mounting Facilities Parallel To Width
4.953 inches minimum single mounting facility single center group and 5.047 inches maximum
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Reliability Indicator
not established
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Thread Direction
right-hand single group
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Thread Class
2a single group